Consulta: creatorFacets:"Pelletier, Dominique"
Registros recuperados: 85
Data/hora: 04/06/2024 18:12:26

Models and indicators for assessing conservation and fisheries-related effects of marine protected areas
Provedor de dados: 5
Autores: Pelletier, Dominique; Claudet, Joachim; Ferraris, J; Benedetti Cecchi, L; Garcia Charton, J.
Two kinds of approaches have been used for assessing conservation and fisheries-related effects of marine protected areas (MPAs): (i) statistical modelling based on field data and (ii) mathematical modelling quantifying the consequences of MPAs on the dynamics of populations, communities, and fisheries. Statistical models provide a diagnostic on the impact of MPAs on the ecosystem and resources; they are also needed for devising and assessing sampling designs for monitoring programs. Dynamic models enable exploration of the consequences of MPA designs and other management policies. We briefly review how each of these approaches has been implemented up to now in the literature and identify potential indicators of MPA effects that can be obtained from each...
Tipo: Text
Palavras-chave: Ecosystem conservation; Fisheries management; Modelling; Indicators; Marine Protected Areas.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-4229.pdf

Pweevo 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Pelletier, Dominique; Giraud-carrier, Charlotte; Bockel, Thomas; Roman, William; Witkowski, Fanny; Powell, Abigail; Soulard, Benoit; Gonson, Charles.
• Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. • The study takes place in the Pouebo area, part of the New Caledonian World Heritage site, and encompassing three no-take marine reserves enclosed within a Locally Managed Area (LMA).  • The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 86 stations were validated within 4 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a species list that includes fished species, emblematic species and...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00274/38522/37033.pdf

Evaluation par vidéo (STAVIRO) de l’état des peuplements ichtyologiques d’intérêt halieutique du Parc Naturel Marin de Mayotte
Provedor de dados: 5
Autores: Roos, David; Gaboriau, Matthias; Giannasi, Paul; Maurel, Laurence; Pelletier, Dominique.
Les diagnostics des peuplements de poisson d’intérêt halieutique et des principaux stocks mettent en évidence des états contrastés à Mayotte en 2017. A l’échelle des peuplements, toutes espèces confondues, aucun signe patent d’un état non satisfaisant lié à la pression de pêche exercée n’a été observé. Cette situation s’explique en grande partie par les familles les plus diversifiées et les plus abondantes, souvent herbivores, tels que les poissons chirurgiens et les perroquets, dont l’état est jugé satisfaisant. En revanche, l’état des quatre principales familles de grands carnivores (les mérous, les vivaneaux, les capitaines et les carangues) est qualifié de non satisfaisant. La raréfaction des grandes espèces, voire la perte de diversité dans les...
Tipo: Text
Palavras-chave: État initial; Évaluation; Peuplement ichtyologique; Stock; Vidéo; STAVIRO; Abondance; Richesse spécifique; Ressources halieutiques; Poisson; Habitat corallien; Lagon; Récif; Mayotte.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00485/59659/71413.pdf

Patch reef: a functional hotspot of tropical fishes
Provedor de dados: 5
Autores: Jac, Cyrielle; Dupont, Priscilla; Gaboriau, Matthias; Mercky, Yann; Pelletier, Dominique; Roos, David; Sucre, Elliott; Claverie, Thomas.
In days of increasingly threatened marine tropical ecosystems, it is important to improve knowledge on understudied but taxonomically rich habitats. If fish assemblages from barrier and fringing reefs are generally well studied, patch reefs are much less known. The objective of the present study (part of the EPICURE project) was to better understand taxonomic and functional specificity of patch reefs fish assemblages compared to the well-studied subtidal reef flat and outer slope habitats. Unbaited rotating video systems (STAVIRO) were used to quantify fish abundance on two sitesfrom the northern Mozambic channel (Mayotte Iris bank and Geyser bank). Taxonomic and functional diversity metrics were used to compare assemblages among habitats. None of the...
Tipo: Text
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00614/72586/71574.pdf

Fiche synthèse campagne d'échantillonnage vidéo : Corne sud
Provedor de dados: 5
Autores: Pelletier, Dominique; Roman, William; Loubersac, Lionel; Broutoi, Jean-marc; Carpentier, Liliane; Carpentier, Andre.
This survey was conducted in september 2013 within the AMBIO project in new Caledonia. The survey aims at assessing fish communities and associated habitats in the South Lagoon, part of the World Heritage.161 underwater unbaited rotating video observations, using the STAVIRO (158 stations) and the MICADO (3 stations) technique were validated, enabling to cover the entire zone (1290 km2).
Tipo: Text
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00274/38524/37035.pdf

Marine protected areas and artificial reefs: A review of the interactions between management and scientific studies
Provedor de dados: 5
Autores: Claudet, Joachim; Pelletier, Dominique.
Inshore marine areas host key habitats for the biological cycle of many marine populations, but are subject to strong anthropogenic pressure. Uses of inshore areas are multiple and often give rise to conflicting interests. In this context. marine protected areas (MPAs) and artificial reefs (ARs) are increasingly regarded as interesting management measures, in that they contribute to ecosystem conservation, fisheries sustainability, and because they can be helpful in zoning coastal areas in order to reduce conflicts between users. Beyond these expected benefits, it is important to appraise whether MPAs and ARs meet managers' objectives. This review focuses on the interaction between ecological sciences and management in the purpose of establishing or...
Tipo: Text
Palavras-chave: Monitoring; Management actions objectives; Management; Impact assessment; Fish; Artificial reefs; Marine protected areas.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-397.pdf

Underwater video techniques for observing coastal marine biodiversity: A review of sixty years of publications (1952–2012)
Provedor de dados: 5
Autores: Mallet, Delphine; Pelletier, Dominique.
Underwater video techniques are increasingly used in marine ecology studies. Technological progress regarding video cameras, sensors (such as sounders), battery life and information storage make these techniques now accessible to a majority of users. However, diver-based underwater visual censuses, and catch and effort data, remain the most commonly used for observing coastal biodiversity and species. In this paper, we review the underwater video techniques that have been developed since the 1950s to investigate and/or monitor coastal biodiversity. Techniques such as remote underwater video, whether baited or not, diver-operated video and towed video are described, along with corresponding applications in the field. We then analyse the complementary of...
Tipo: Text
Palavras-chave: Underwater video; Monitoring; Coastal biodiversity; Fish; Habitat.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00181/29274/27901.pdf

Les sources d'incertitude en gestion des pêcheries. Evaluation et propagation dans les modèles
Provedor de dados: 5
Autores: Pelletier, Dominique.
Most North-East Atlantic fisheries are managed by controlling the catch level: a Total Allowable Catch (TAC) is annually agreed for each stock under concern, based on the scientific advice provided by the International Coucil for the Exploration of the Sea (ICES). TAC computations and diagnoses about the stock are achieved by using a model (the Virtual Population Analysis model, VPA) that accounts for the impact of fishing pressure on the dynamics of the population. Commercial catches are the main source of information for assessing the evolution of the demographic structure of the population. Catch sampling yields an estimation of the number fish caught per age-group (Pelletier 1990b). However, sensitivity analyses stress other input parameters which are...
Tipo: Text
Ano: 1991
URL: http://archimer.ifremer.fr/doc/00032/14315/11599.pdf

INDICATORS – Constructing and validating indicators of the effectiveness of marine protected areas
Provedor de dados: 5
Autores: Pelletier, Dominique.
Tipo: Text
Palavras-chave: Ecology and conservation; Natural resource management; Agriculture; Horticulture and forestry.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00177/28834/27460.pdf

Evaluation of the bioeconomic sustainability of multi-species multi-fleet fisheries under a wide range of policy options using ISIS-Fish
Provedor de dados: 5
Autores: Pelletier, Dominique; Mahevas, Stephanie; Drouineau, Hilaire; Vermard, Youen; Thebaud, Olivier; Guyader, Olivier; Poussind, Benjamin.
In order to provide reliable scientific advice and support for fisheries management, it is necessary to evaluate the biological and economic sustainability of complex fisheries, such as multi-species multi-fleet fisheries. Existing policy-screening modelling tools are not fully suitable in this purpose due to either an over-simplified description of population dynamics, or due to the lack of consideration of economic aspects. In this paper, we present a package that enables quantitative bioeconomic assessment of management scenarios. Population dynamics is described through spatially- and seasonally-explicit models. Exploitation dynamics is characterized by several fishing activities with specific spatial and seasonal features, and practiced by several...
Tipo: Text
Palavras-chave: Policy screening; Natural resource management; Fisheries dynamics; Bioeconomic model; Population dynamics; Complex systems; Simulation tool.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6782.pdf

Assessing the impact of different management options using ISIS-Fish*: the French Merluccius merluccius Nephrops norvegicus mixed fishery of the Bay of Biscay
Provedor de dados: 5
Autores: Drouineau, Hilaire; Mahevas, Stephanie; Pelletier, Dominique; Beliaeff, Benoit.
In this paper, we present an approach to compare the impact of different management options oil the dynamics of a mixed fishery. We used ISIS-Fish, a simulation tool aimed at evaluating the impact of spatial and seasonal management measures on the dynamics of mixed fisheries. The French Nephrops norvegicus (Norway lobster) Merluccius merluccius (hake) mixed fishery of the Bay of Biscay was chosen as a Study case. First, we parameterised the Population and exploitation models. We then selected several management measures, including marine protected fishermen's reaction to each measure. Then, a sensitivity analysis (MPAs) and total allowable catches (TAC), and parameterised fish sensitivity analysis was performed according to a fractional factorial...
Tipo: Text
Palavras-chave: Simulation design; Sensitivity analysis; Management measures; Spatial model; Fisheries dynamics.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-1340.pdf

Towards multidisciplinary indicator dashboards for coral reef fisheries management
Provedor de dados: 5
Autores: Clua, Eric; Beliaeff, Benoit; Chauvet, Claude; David, Gilbert; Ferraris, Jocelyne; Kronen, Mekhi; Kulbicki, Michel; Labrosse, Pierre; Letourneur, Yves; Pelletier, Dominique; Thebaud, Olivier; Leopold, Marc.
The diversity of reef ecosystems, the multiplicity of reef resource uses and the breadth of the range of the island socio-cultural contexts concerned make coral reef fisheries (CRF) management in the South Pacific a complex task. The health and state of the targeted resources depend both on ecosystem characteristics (as determined by ecological and biological factors) and on fishing pressure, whose effects are only partly known. Increasing harvests from commercial and recreational fishing increasingly overlap with traditional Subsistence activity, creating an important CRF management challenge. This paper presents a new approach to CRF assessment and monitoring by providing a set of multidisciplinary indicators. The fisheries system is assessed from three...
Tipo: Text
Palavras-chave: Dashboard; Indicators; Co management; Fishing; Coral reefs.
Ano: 2005
URL: https://archimer.ifremer.fr/doc/2005/publication-716.pdf

Validity of Escherichia coli, enterovirus, and F-specific RNA bacteriophages as indicators of viral shellfish contamination
Provedor de dados: 5
Autores: Miossec, Laurence; Le Guyader, Soizick; Pelletier, Dominique; Haugarreau, Larissa; Caprais, Marie-paule; Pommepuy, Monique.
The sanitary classification of harvesting areas for bivalve mollusks in France is based on the level of Escherichia Coli contamination detected in shellfish meat, as defined in EC Directive 91/492 EEC. However, outbreaks of gastroenteritis or hepatitis after consumption of shellfish meeting current bacteriological standards suggest that E. coli is a poor indicator of viral contamination. The purpose of this study was to assess the adequacy of enterovirus and F-specific RNA bacteriophages as new indicators of human enteric viruses. Shellfish were sampled over a 37-mo period to characterize microbial contamination in two coastal areas subjected to different sewage contamination inputs. Contamination by E. coli, F-specific RNA bacteriophages (F+ RNA) and...
Tipo: Text
Palavras-chave: Indicator; Escherichia coli; F specific RNA bacteriophages; Enteric viruses; Viral contamination; Shellfish.
Ano: 2001
URL: https://archimer.ifremer.fr/doc/00000/10006/7794.pdf

Assessing the impact of removing reserve status on the Abore Reef fish assemblage in New Caledonia
Provedor de dados: 5
Autores: Ferraris, Jocelyne; Pelletier, Dominique; Kulbicki, M; Chauvet, C.
We propose a statistical approach based on multivariate analysis and general linear models to test the consequences of removal of reserve status from the Abore Reef fish assemblage of the Abore Reef reserve, New Caledonia. Consequences on fish density were examined at the level of fish assemblage, accounting for habitat. Fish counts and habitat-related information were collected before and after the removal of reserve status, both inside and outside the reserve. Species groups were constructed on the basis of additional information on behavioural characteristics and taxonomy. The impact of the removal of reserve status was assessed by using 2 habitat proxies corresponding to 2 spatial scales and by considering several criteria for grouping species. Habitat...
Tipo: Text
Ano: 2005
URL: http://archimer.ifremer.fr/doc/00000/10970/7574.pdf

Diurnal temporal patterns of the diversity and the abundance of reef fishes in a branching coral patch in New Caledonia
Provedor de dados: 5
Autores: Mallet, Delphine; Vigliola, Laurent; Wantiez, Laurent; Pelletier, Dominique.
Small-scale spatial and temporal variability in animal abundance is an intrinsic characteristic of marine ecosystems but remains largely unknown for most animals, including coral reef fishes. In this study, we used a remote autonomous unbaited video system and recorded reef fish assemblages during daylight hours, 10 times a day for 34 consecutive days in a branching coral patch of the lagoon of New Caledonia. In total, 50 031 fish observations belonging to 114 taxa, 66 genera and 31 families were recorded in 256 recorded videos. Carnivores and herbivore-detritus feeders dominated the trophic structure. We found significant variations in the composition of fish assemblages between times of day. Taxa richness and fish abundance were greater in the early...
Tipo: Text
Palavras-chave: Coral reef fish; High-frequency sampling; Patterns; Temporal variation; Underwater video.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00326/43755/45787.pdf

Participatory approach to identify governance indicators for integrated coastal zone management, the case of marine protected areas
Provedor de dados: 5
Autores: David, G; Cazalet, B; Barnay, As; Charbonnel, E; Couture, E; Ferraris, J; Fleury, Pierre-gildas; Malterre, P; Pascal, N; Pelletier, Dominique; Salaun, P; Tessier, Emmanuel; Thomassin, A.
Marine protected areas are a laboratory of integrated coastal management. Driving the MPA system requires the implementation of a battery of indicators of governance. This governance must take into account both the internal dynamics of the system and the threats coming from the system environment. As part of a research project funded by the French Ministry of Ecology, (Liteau program), 4 coral reef MPAs were selected as pilote studies (St Martin in the Caribbean, Reunion and Mayotte in the Indian Ocean, the South Lagoon of New Caledonia in Oceania) to develop jointly between scientists and managers of MPAs governance indicators. The approach is definitely bottom up. It is based on the co-construction of indicators. In that way, the views of the scientists...
Tipo: Text
Palavras-chave: MPA; ICZM; Participatory approach; Indicator; Governance.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00450/56138/57680.pdf

Designing indicators for assessing the effects of marine protected areas on coral reef ecosystems: A multidisciplinary standpoint
Provedor de dados: 5
Autores: Pelletier, Dominique; Garcia Charton, Jose; Ferraris, Jocelyne; David, Gilbert; Thebaud, Olivier; Letourneur, Yves; Claudet, Joachim; Amand, Marion; Kulbicki, Michel; Galzin, René.
The present paper aims at identifying and assessing indicators of the effects of Marine Protected Areas (MPAs) in coral reef regions, based on a bibliography review in ecology, economics and social sciences. First the various effects Studied within each of these domains and the variables used to measure them were censused. Potential ecological indicators were assessed through their link with the question used (here termed "relevance") and their "effectiveness" which encompasses the issues of precision, accuracy and statistical power. Relevance and effectiveness were respectively measured by the frequency of use of each indicator and the proportion of significant results in the reviewed articles. For social and economic effects, the approach was not...
Tipo: Text
Palavras-chave: Coastal management Coral reef ecosystems Pluridisciplinary Ecological; Economic and social indicators Marine Protected Areas.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-409.pdf

Borendy 2012. Bilan de l’état de santé des récifs par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique; Powell, Abigail.
• Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. The study takes place in the Borendy area, encompassing two no-take marine reserves Nemou and Moindé-Ouémié. The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 66 stations were validated within 3.5 days. They were analyzed to characterize at each station habitat and fish, from a species list that includes fished, emblematic and functionally important species. • 32 indicators were computed and mapped (Sextant server). 24 indicators were analysed using the...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00274/38523/37034.pdf

The Marine Trophic Index as a Biodiversity Indicator : strengths and weaknesses. Parallel Sessions 12 on Intra-Specific Diversity in Marine Fish Stocks
Provedor de dados: 5
Autores: Rocklin, Delphine; Curd, Amelia; Pelletier, Dominique; Levrel, Harold.
Tipo: Text
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00061/17208/14714.pdf

Aerial and snorkelling census techniques for estimating green turtle abundance on foraging areas: A pilot study in Mayotte Island (Indian Ocean)
Provedor de dados: 5
Autores: Roos, David; Pelletier, Dominique; Ciccione, Stéphane; Taquet, Marc; Hughes, George.
Monitoring the abundance of green turtles (Chelonia mydas) is necessary to assess population trends and risks of collapse. This note presents a study aimed at comparing three techniques for the direct estimation of green turtle numbers in their foraging habitats (seagrass beds and reef flats). The experiment was carried out at Mayotte Island, Western Indian Ocean. The techniques involved were surveys by snorkel, and aerial surveys using a microlight aircraft and a paramotor. Each technique had shortcomings and advantages. While each technique provided estimations of turtle numbers only surveys by snorkel permitted identification of species and sex, whenever visibility and turtle behaviour permitted. Along the shorelines, and over foraging areas, the...
Tipo: Text
Palavras-chave: Foraging habitats; Snorkelling survey; Aerial survey; Abundance estimation; Chelonia mydas; Green turtle.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-432.pdf

Rationalisation de l'échantillonnage biologique pour l'évaluation des stocks des pêcheries marines en golfe de Gascogne
Provedor de dados: 5
Autores: Pelletier, Dominique; Beucher, Helene; Chevalier, Robert; Laurec, Alain; Alperi, J.; Pereda, P.; Guichet, Roger; Dupouy, Herve; Peronnet, Isabelle.
The aim of the project "rationalization of biological sampling for stock assessment of marine fisheries in the bay of Biscay" is to perform statistical methods and computer programs allowing to test prognoses and diagnoses based on estimates of fishing mortalities, recruitments, yields per recruit, and the "gain-loss" function. The project gathers the laboratories of the community working on the Bay of Biscay fisheries, namely - Santander in Spain (1. E. 0) - La Rochelle and Lorient in France (IFREMER). A descriptive study has been carried out. The prepared documents contain a description of the procedures used to collect the information, by each of the laboratories involved, on: - landings - biological samplings. More comprehensive data have been gathered...
Tipo: Text
Palavras-chave: Capture; Marine biology; Fisheries; Megrim; Monk; Hake; Data collection; TAC; Bay of Biscay; Stock assessement; Sampling; Statistics; Capture; Biologie marine; Halieutique; Cardine; Baudroie; Merlu; Collecte de données; TAC; Golfe de Gascogne; Evaluation des stocks; Echantillonnage; Statistiques.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/1991/rapport-3621.pdf

Assessing the Effectiveness of Coastal Marine Protected Area Management: Four Learned Lessons for Science Uptake and Upscaling
Provedor de dados: 5
Autores: Pelletier, Dominique.
For almost two decades, marine protected areas (MPAs) have been a central instrument of coastal conservation and management policies, but concerns about their abilities to meet conservation goals have grown as the number and sizes of MPAs have dramatically increased. This paper describes how a large (15 years) program of transdisciplinary research was used to successfully measure MPA management effectiveness (ME)—how well an MPA is managed, how well it is protecting values, and how well it is achieving the various goals and objectives for which it was created. This paper addresses the co-production and uptake of monitoring-based evidence for assessing ME in coastal MPAs by synthesizing the experiences of this program conducted with MPA managers. I present...
Tipo: Text
Palavras-chave: Marine protected area; Coastal management; Transdisciplinary; Monitoring and assessment; MPA effectiveness; Science uptake; Social-ecological system.
Ano: 2020
URL: https://archimer.ifremer.fr/doc/00658/76979/78230.pdf

Etat de santé des habitats et peuplements de poissons de la Réserve Merlet, zone inscrite au Patrimoine Mondial - Evaluation initiale par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Bockel, Thomas; Pelletier, Dominique; Carpentier, Liliane; Schohn, Thomas.
Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. The field work was realized in 2013 in and around the Merlet Marine Reserve, in the south of New-Caledonia, and located within the “Grand Lagon Sud” world heritage area. The sampling design covers the entire area, and was stratified according to reef type (outer slope, reef flat, reef shallow terrace, lagoon, and fringing reef). 162 stations were validated within 6 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 429 fish species (cf. AMBIO/A/1). 28...
Tipo: Text
Palavras-chave: Biodiversité Ichtyofaune Habitat Vidéo sous-marine STAVIRO Evaluation Suivi Réserve Merlet AMP; Patrimoine mondial; Ecosystème corallien Nouvelle-Calédonie Indicateur Tableau de bord Serveur de cartes Sextant PAMPA Biodiversity Fish Habitat Underwater video STAVIRO Monitoring and assessment Merlet Marine Reserve MPA; World Heritage Coral reefs New Caledonia Indicator Dashboard Map server Sextant PAMPA.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00406/51756/52353.pdf

Projet AMBIO 2012-2016. 10 ans d'inscription des lagons calédoniens au patrimoine mondial
Provedor de dados: 5
Autores: Soulard, Benoit; Pelletier, Dominique.
Présentation synthétique de la technique vidéo staviro développée au cours du projet AMBIO (2012 - 2016), du nombre et de la localisation des stations échantillonnées grace à ce procédé en vue du suivi de la biodiversité et des habitats dans la ZEE calédonienne et notamment dans les zones inscrites au patrimoine mondial, ainsi que des portails web de diffusion des données et indicateurs produits. Poster présenté dans le cadre du 10ème anniversaire de l'inscription des lagons calédoniens au patrimoine mondial.
Tipo: Text
Ano: 2018
URL: http://archimer.ifremer.fr/doc/00449/56017/57532.pdf

Bilan des campagnes terrain vidéo 2012. Site : Bourail – Borindi – Hienghène - Pouébo
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique.
Ce document présente sous forme de fiches les missions IFREMER réalisées dans le cadre du projet AMBIO. Ces fiches, qui se veulent synthétiques, présentent pour les 4 sites : Bourail – Borindi – Hienghène- Pouebo - Le matériel vidéo utilisé. - Le déroulement de la mission. - Le bilan des stations réalisées, les stations exploitables et les stations analysées. - La distribution des stations selon un type géomorphologique, un statut de protection et le nom des récifs. - La complémentarité de la mission avec les suivis précédents.
Tipo: Text
Palavras-chave: Terrain vidéo; Biodiversité; STAVIRO 2012; Bourail; Borindi; Hienghène; Pouebo.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00274/38569/37092.pdf

Remote High-Definition Rotating Video Enables Fast Spatial Survey of Marine Underwater Macrofauna and Habitats
Provedor de dados: 5
Autores: Pelletier, Dominique; Leleu, Kevin; Mallet, Delphine; Mou-tham, Gerard; Herve, Gilles; Boureau, Matthieu; Guilpart, Nicolas.
Observing spatial and temporal variations of marine biodiversity from non-destructive techniques is central for understanding ecosystem resilience, and for monitoring and assessing conservation strategies, e.g. Marine Protected Areas. Observations are generally obtained through Underwater Visual Censuses (UVC) conducted by divers. The problems inherent to the presence of divers have been discussed in several papers. Video techniques are increasingly used for observing underwater macrofauna and habitat. Most video techniques that do not need the presence of a diver use baited remote systems. In this paper, we present an original video technique which relies on a remote unbaited rotating remote system including a high definition camera. The system is set on...
Tipo: Text
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00078/18879/16453.pdf

Sensitivity and variance estimators for virtual population analysis and the equilibrium yield per recruit model
Provedor de dados: 5
Autores: Pelletier, Dominique.
Fish stock assessment makes Widespread use of Virtual Population Analysis (VPA) and long-term equilibrium prediction models. Although there have been some statistical investigations about the properties of VPA results, apparently there are no complete analyse about predictions statistical and numerical behaviour. However, management decisions generally rely upon production forecasts. This paper compares stability properties of VPA and the yield per recruit model with regard to various errors concerning all the input parameters. Robustness fis assessed by means of first-ordo sensitivities whereas variances are inferred from delta-method estimators. Sensitivity of yield per recruit appears to be mainly due to terminal mortality rate and age-specific weights,...
Tipo: Text
Palavras-chave: Analyse de population virtuelle; Rendement par recrue; Sensibilité; Estimation de la variance; Méthode Delta; Virtual Population Analysis; Yield per recruit; Sensitivity; Variance estimation; Delta-method.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/00189/30068/28556.pdf

Echantillonnage des débarquements en criée. Estimateurs des captures et variances associées
Provedor de dados: 5
Autores: Pelletier, Dominique.
Stock assessment models generally rely upon catch analysis. Catches are estimated from the sampling of landings. The evaluation of the variance associated to these estimators allows to study the induced uncertainty on models results and hence on stock management decisions. Moreover, the sampling scheme may be improved by analysing the variance components. The results show that the variance is mainly due to the variability of landings between days. In addition, as assessment models show liUle sensitivity to old age groups, sampling effort could be partially transferred from the corresponding market category to those of major economie interesl.
Tipo: Text
Palavras-chave: Echantillonnage complexe; Estimation des captures; Variance; Complex sampling scheme; Catch estimation; Variance.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/00041/15260/12607.pdf

La vidéo rotative autonome pour l’observation des habitats et de la macrofaune côtiers. Guide méthodologique des systèmes STAVIRO et MICADO.
Provedor de dados: 5
Autores: Pelletier, Dominique; Carpentier, Liliane; Roman, William; Bockel, Thomas.
• This guide depicts the STAVIRO and MICADO rotating video techniques. It is intended for potential users, whether, environmental managing bodies, academics and other scientists. • The STAVIRO is a remote underwater unbaited video system for monitoring and studying shallow biodiversity, mostly in coastal areas (between 0 and 50 m). It enables observing habitat and vagile macrofauna within a 5m (and often 10 m) distance around the system. Because it rotates, the STAVIRO enables a panoramic view without distorting image due to wide angle. Many stations can be achieved quickly (ca. 20-25 stations per day with two systems) without the need for divers, and field work does not require a scientific background. It allows to survey extended areas and to replicate...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00357/46859/46751.pdf

Projet SINP - Synthèse des indicateurs institutionnels de biodiversité marine et côtière
Provedor de dados: 5
Autores: Fossat, Julia; Pelletier, Dominique; Levrel, Harold.
Le gouvernement français s’est engagé à travers différentes conventions et textes institutionnels à stopper d’ici 2010 la perte de la biodiversité. Pour atteindre cet objectif, le Ministère de l’Ecologie, de l’Energie, du Développement Durable et de la Mer (MEEDDM) a mis en place le Système d’Information sur la Nature et les Paysages (SINP), afin de rassembler et structurer l’information sur le patrimoine naturel et la biodiversité. Le volet marin de ce système, le SINP mer, a également pour vocation de valoriser ces informations, soit de présenter des indicateurs permettant de répondre aux enjeux de conservation de la biodiversité marine à partir des données contenues dans le système. Ce document présente la première phase de travail sur les indicateurs...
Tipo: Text
Palavras-chave: Biodiversité; Diversité biologique; Diversité écosystémique; Diversité spécifique; Indicateur; Marin; Côtier; Cadre institutionnel; Convention; Système d’information; Biodiversity; Biological diversity; Ecosystem diversity; Species diversity; Indicator; Marin; Coastal; Institutional framework; Convention; Information system.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/00083/19471/17084.pdf

Etude et suivi des populations de tortues vertes (Chelonia mydas) dans les îles françaises de l'Océan Indien : Populations - Migration - Génétique
Provedor de dados: 5
Autores: Roos, David; Pelletier, Dominique; Rene, Fabrice.
Initié en 1970 par G. HUGHES sur le site d'Europa, le programme d'études des tortues vertes dans les îles Eparses a été poursuivi dans le cadre des activités du Service Météorologique de La Réunion entre 1973-74 par SERVAN sur Europa et BATORI sur Tromelin. Dès 1977, le programme a été repris dans le cadre de l'ISTPM/IFREMER. Il a été amplifié jusqu'en 1985 par J.Y. LEGALL, en relation avec les prélèvements de nouveaux-nés utilisés pour le ranching à l'île de La Réunion. Les principales acquisitions dans le cadre de ces programmes ont porté sur: • les migrations inter-sites, • la périodicité du rythme inter annuel de ponte, • l'estimation du nombre de nouveaux-nés par saison de ponte, • l'estimation du nombre de femelles adultes par site et par saison. Le...
Tipo: Text
Ano: 1998
URL: http://archimer.ifremer.fr/doc/00153/26445/24552.pdf

Avantages et inconvénients de la stéréo vidéo : applicabilité au protocole pour STAVIRO
Provedor de dados: 5
Autores: Powell, Abigail; Pelletier, Dominique; Roman, William; Giraud-carrier, Charlotte; Jac, Cyrielle; Gins, Niels; Preuss, Bastien.
La stéréo vidéo repose sur l’utilisation synchronisée de 2 caméras permettant de produire une image en 3 dimensions. Elle permet par triangulation d’obtenir une estimation précise de la taille de chaque individu et de mesurer les distances. En 2007 en Nouvelle Calédonie l’ IFREMER a développé des systèmes mono-vidéo autonomes et rotatifs (STAVIRO et MICADO). La caméra est déployée 12 minutes depuis un bateau sans immersion de plongeurs, le temps d’effectuer 3 rotations complètes. L’objectif de l’étude est de réaliser un bilan comparatif entre l’utilisation d’un système STAVIRO classique et l’utilisation d’un système équipé en stéréo vidéo. 59 stations ont été réalisées entre le 2 et le 13 juin 2014 dans le lagon sud ouest de la Nouvelle Calédonie.
Tipo: Text
Palavras-chave: Stéréo vidéo; Système vidéo rotatif; Vidéo sous-marine; Aires marines protégées.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00274/38570/37094.pdf

Etat de santé des habitats et peuplements de poissons des atolls d’Entrecasteaux, zone inscrite au Patrimoine Mondial de l’Humanité et Parc naturel de la mer de Corail. Evaluation initiale par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Schohn, Thomas; Pelletier, Dominique; Carpentier, Liliane.
The AMBIO project conducted a comprehensive video-based baseline assessment of coral reef fish communities and associated habitats in the New Caledonian lagoons. Observation relies on remote unbaited underwater video, using the STAVIRO rotating technique (Pelletier et al. 2012).  This survey was conducted in 2015 in Entrecasteaux Reefs, both located within the Coral Sea Natural Park, and part of World Heritage site. 109 STAVIRO were validated in 9 days, covering the reefs and geomorphological units in the area. Images were analyzed to characterize the habitat surrounding each station, and fishes based on a list of 565 species (Pelletier et al. 2016).  28 indicators were computed and represented on maps (Sextant server). Indicators were analyzed using the...
Tipo: Text
Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Aire Marine Protégée; Patrimoine mondial; Parc de la mer de Corail; Ecosystème corallien; Nouvelle-Calédonie; Indicateur; Tableau de bord; Cartes; Sextant; PAMPA; Biodiversity; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Marine Protected Area: Coral Sea Natural Park; World Heritage; Coral reefs; New Caledonia; Indicator; Dashboard; Map; Sextant; PAMPA.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00406/51760/52357.pdf

Le lagon, un patrimoine naturel et un espace de loisirs
Provedor de dados: 5
Autores: Gonson, Charles; Ferraris, Jocelyne; Pelletier, Dominique; Jollit, Isabelle.
With the worldwide growing of human populations in coastal areas, recreational activities are increasing and diversifying. New Caledonia is surrounded by a large lagoon that provides a shelter for these popular activities. Although most of the lagoon areas are managed through well-established Marine Protected Areas (MPA) and 80% of its surface is a World Heritage property, these uses result in accrued and increasing pressures on the coastal environment. This paper provides an overview of the research projects developed since 2000 to better understand and assess recreational uses in the New Caledonian lagoon. Most of these projects were conducted in collaboration with MPA, environmental managers and with stakeholders.
Tipo: Text
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00457/56870/73556.pdf

Considering multiple-species attributes to understand better the effects of successive changes in protection status on a coral reef fish assemblage
Provedor de dados: 5
Autores: Preuss, Bastien; Pelletier, Dominique; Wantiez, Laurent; Letourneur, Yves; Sarramegna, Sebastien; Kulbicki, Michel; Galzin, Rene; Ferraris, Jocelyne.
The response of fish assemblages to changes in protection status is a major issue for both biodiversity conservation and fishery management. In New Caledonia, the Abore reef marine reserve harbours more than 500 fish species, and has been subjected to changes in protection status since 1988. The present study investigates the impact of these changes on a wide subset of species (213), based on underwater visual counts collected before the opening and after the closure to fishing of this marine protected area (MPA). We analysed the spatial and temporal variability in fish assemblage attributable to protection status, explicitly considering habitat. To understand the successive responses of fish assemblage to fishing and protection, the assessment models...
Tipo: Text
Palavras-chave: MPA effect; Fishing effect; Fish assemblage; Coral reef ecosystem; Assessment model.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6130.pdf

A regionally scalable habitat typology for assessing benthic habitats and fish communities: Application to New Caledonia reefs and lagoons
Provedor de dados: 5
Autores: Pelletier, Dominique; Selmaoui‐folcher, Nazha; Bockel, Thomas; Schohn, Thomas.
Scalable assessments of biodiversity are required to successfully and adaptively manage coastal ecosystems. Assessments must account for habitat variations at multiple spatial scales, including the small scales (&lt;100 m) at which biotic and abiotic habitat components structure the distribution of fauna, including fishes. Associated challenges include achieving consistent habitat descriptions and upscaling from in situ‐monitored stations to larger scales. We developed a methodology for (a) determining habitat types consistent across scales within large management units, (b) characterizing heterogeneities within each habitat, and (c) predicting habitat from new survey data. It relies on clustering techniques and supervised classification rules and was...
Tipo: Text
Palavras-chave: Coral Sea Marine Park; Data mining; Habitat prediction; Habitat typology; In situ monitoring; Marine protected areas; Scaling up; Supervised classification rules; Underwater video.
Ano: 2020
URL: https://archimer.ifremer.fr/doc/00632/74433/74153.pdf

ISIS-Fish, a generic and spatially explicit simulation tool for evaluating the impact of management measures on fisheries dynamics
Provedor de dados: 5
Autores: Mahevas, Stephanie; Pelletier, Dominique.
Assessing the impact of management scenarii on multi-species multi-fleet fisheries requires spatially and seasonally explicit simulation tools. No such tools are currently available in fisheries science. This paper presents a software that evaluates the impact of management measures on the dynamics of a complex fishery. The simulation model is generic in order to be used for different types of fisheries. Existing knowledge about each fishery is stored in a database included in the software, and may be easily modified. This includes the parameters describing each population and each fishing activity. Furthermore, the software allows for flexibility in several model assumptions. Both management measures and behaviour of fishermen in reaction to these...
Tipo: Text
Palavras-chave: Management measures; Fisheries dynamics; Complex systems; Spatial; Integration of knowledge; Simulation tool.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-1133.pdf

A step toward the definition of ecological indicators of the impact of fishing on the fish assemblage of the Abore reef reserve (New Caledonia)
Provedor de dados: 5
Autores: Amand, Marion; Pelletier, Dominique; Ferrari, Jocelyne; Kulbicki, Michel.
Marine Protected Areas (MPA) are often contemplated as a tool for the sustainable management of exploited resources and ecosystem conservation. This paper proposes an approach to establish a statistical diagnostic of the effects of MPAs on fish assemblages, and define corresponding ecological indicators. This requires choosing relevant variables (abundance, diversity, demographic parameters..) and appropriate statistical methods. The study was based on data from the Abore reef Reserve in New Caledonia. Two sets of methods: 1-inferential linear models (ANOVA, GLM): 2- Partial Least Squares (PLS) methods of regression, were used to test the effects of this MPA. PLS enabled us to test simultaneously within a model, density, species richness, biomass and mean...
Tipo: Text
Palavras-chave: New Caledonia; PLS regression; Ecological indicators; Fishing impact; Coral reef; Fish; Marine Protected Areas.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-398.pdf

Spearfishing Regulation Benefits Artisanal Fisheries: The ReGS Indicator and Its Application to a Multiple-Use Mediterranean Marine Protected Area
Provedor de dados: 5
Autores: Rocklin, Delphine; Tomasini, Jean-antoine; Culioli, Jean-michel; Pelletier, Dominique; Mouillot, David.
The development of fishing efficiency coupled with an increase of fishing effort led to the overexploitation of numerous natural marine resources. In addition to this commercial pressure, the impact of recreational activities on fish assemblages remains barely known. Here we examined the impact of spearfishing limitation on resources in a marine protected area (MPA) and the benefit it provides for the local artisanal fishery through the use of a novel indicator. We analysed trends in the fish assemblage composition using artisanal fisheries data collected in the Bonifacio Strait Natural Reserve (BSNR), a Mediterranean MPA where the spearfishing activity has been forbidden over 15% of its area. Fish species were pooled into three response groups according...
Tipo: Text
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00048/15914/13343.pdf

Référentiel PAMPA des engins de pêche
Provedor de dados: 5
Autores: Gamp, Elodie; Roos, David; Pelletier, Dominique.
This document describes the fishing gear reference table built during the PAMPA project to code fishing activities mainly for the interviews of recreational fishers. The reference table is interoperable with those from FAO and SIH.
Tipo: Text
Palavras-chave: Référentiel; Engins de pêche; Techniques; Format de données; Reference table; Fishing gear; Fishing technique; Data format.
Ano: 2021
URL: https://archimer.ifremer.fr/doc/00668/77969/80187.pdf

PAMPA - Indicateurs de la Performance d’Aires Marines Protégées pour la gestion des écosystèmes côtiers, des ressources et de leurs usAges. Rapport du site Nouvelle-Calédonie
Provedor de dados: 5
Autores: Wantiez, Laurent; Pelletier, Dominique; Coutures, Emmanuel; Gamp, Elodie; Rolland, Emeline; Mallet, Delphine; Reecht, Yves; Dumas, Pascal; Jollit, Isabelle; Vigliola, Laurent.
This documents reports activities conducted within the PAMPA project for the New Caledonia case study (Noumea Marine Reserves)
Tipo: Text
Palavras-chave: Livrable; Rapport par site; Tableau de bord.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00351/46171/45873.pdf

Spatial management of inshore areas: Theory and practice
Provedor de dados: 5
Autores: Claudet, Joachim; Roussel, S; Pelletier, Dominique; Rey Valette, Hélène.
Coastal uses have deeply evolved these last decades and high anthropogenic pressures on coastal ecosystems have affected the sustainability of these areas with respect to the services and the resources they may provide. Traditional fisheries management has failed to avoid overexploitation of most coastal marine resources. Management measures based on an Integrated Coastal Zone Management (ICZM) are thus required. Spatial management covers various ranges of properties that may enhance usual regulatory means. If spatial considerations are explicitly integrated in fisheries management, the latter may contribute to zoning design in order to balance the economic, social and biological values of natural marine resources. While traditional fisheries management...
Tipo: Text
Palavras-chave: Spatial management; Coastal resources; Marine protected areas MPAS; Management ICZM; Integrated coastal zone; Fisheries management; Ecology; Ecological economics.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-2598.pdf

Evaluating Management Scenarios for Fished Resources of the New Caledonian Lagoon Using a Spatially-Explicit Model
Provedor de dados: 5
Autores: Preuss, Bastien; Pelletier, Dominique; Wantiez, Laurent.
In the New Caledonian lagoon, fish populations live in a highly-fragmented habitat and seascape, and many are exploited by commercial, recreational and subsistence fishers. Although fishing has been increasing over decades, fisheries sustainability has not been assessed. We used the ISIS-Fish tool to build a spatially-explicit dynamic model for two major fish resources: spangled emperor and coral trout. The model was constructed and parameterized from many existing data habitat, fish populations, and fishing pressures. After calibration, it was used to simulate the outcomes of several management scenarios including MPA, size limitation, and increase in commercial fisher number. Results showed that depending on the species, an MPA could result in a...
Tipo: Text
Palavras-chave: Fish population dynamics; Spatially-explicit model; Management scenario assessment; Spangled emperor; Coral trout; New Caledonian lagoon.
Ano: 2014
URL: https://archimer.ifremer.fr/doc/00598/71022/69426.pdf

Etat de santé des habitats et peuplements de poissons des îles et récifs de l’Astrolabe, Pétrie et Walpole, Parc Naturel de la Mer de Corail. Evaluation initiale par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Schohn, Thomas; Bockel, Thomas; Carpentier, Liliane; Pelletier, Dominique.
- The AMBIO project conducted a comprehensive video-based baseline assessment of coral reef fish communities and associated habitats in the New Caledonian lagoons. The survey relies on remote unbaited underwater video observations, using the STAVIRO rotating technique.  - The study pertains to the reefs of Astrolabe, Pétrie and Walpole Island, located within the Coral Sea Natural Park. The survey conducted in 2014 covers the entire area, and the sampling design was stratified according to reef type. 95 stations were validated. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 565 fish species (cf. AMBIO/A/1).  - 28 indicators were computed and mapped (maps available on a Sextant server)....
Tipo: Text
Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Parc naturel mer de Corail; Nouvelle-Calédonie; Indicateur; Tableau de bord; Serveur de cartes; Sextant; PAMPA; Ecosystème corallien; Biodiversity; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Marine Protected Area: Coral Sea Natural Park; Coral reefs; New Caledonia; Indicator; Dashboard; Map server; Sextant; PAMPA.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00406/51738/52324.pdf

Utilisation de la technique vidéo STAVIRO pour l’observation et le suivi des ressources et des écosystèmes récifo‐lagonaires de Mayotte. Etude pilote et recommandations pour les suivis futurs. Annexe 2 : Fiches métriques : Influences du statut de protection (Réserve de la passe Longogori), du type géomorphologique et de l’habitat
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique; Wickel, Julien; Giannasi, Paul.
• This work deals with coral reef fish resources and communities in the Natural Marine Park of Mayotte, Western Indian Ocean). It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique.  • This document is complementary to the main assessment report:  William Roman and Dominique Pelletier, 2016. The STAVIRO video technique for monitoring fish resources and reef ecosystems in the Natural Marine Park of Mayotte (Western Indian Ocean). Pilot study and recommendations for monitoring. EXPLOCEAN-IFREMER Report.  • It pertains to the assessment of resources with respect to protection status and factors related to local habitat and reef geomorphology. • It comprises the description of the metrics used for the assessment:...
Tipo: Text
Palavras-chave: Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Biodiversité; Ecosystème corallien; AMP; Parc Naturel Marin de Mayotte; Indicateur; PAMPA; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Biodiversity; Coral reefs; MPA; Natural Marine Park of Mayotte; Indicator; PAMPA.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00373/48423/48644.pdf

Métiers, effort and catches of a Mediterranean small-scale coastal fishery: The case of the Côte Bleue Marine Park
Provedor de dados: 5
Autores: Leleu, Kevin; Pelletier, Dominique; Charbonnel, Eric; Letourneur, Yves; Alban, Frederique; Bachet, Frederic; Boudouresque, Charles F.
The overexploitation of fishery resources has led to a major fisheries crisis. In this context, artisanal fisheries, and in particular small-scale coastal fisheries, appear as relevant alternatives for a sustainable use of coastal resources. Marine Protected Areas (MPA) are more and more used as management tools for these fisheries, as protection effects and targeted access regulations may benefit to commercial fishers. Managers and scientists need then quantitative information not only to adapt their management to the fishing activity present on their territory, but also to estimate the effects of MPA management on it. This study provides catch and effort estimates that are essential for appraising and managing the artisanal fishery in the Côte Bleue...
Tipo: Text
Palavras-chave: Small-scale coastal fisheries; Marine Protected Areas; Metiers; Fishing effort and catches.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00180/29120/29367.pdf

Suivre le milieu sans le perturber avec une vidéo haute définition
Provedor de dados: 5
Autores: Pelletier, Dominique.
Tipo: Text
Ano: 2013
URL: https://archimer.ifremer.fr/doc/00629/74126/73569.pdf

Etat de santé des habitats et peuplements de poissons de la Corne Sud, zone inscrite au Patrimoine Mondial de l’Humanité - Evaluation initiale par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Bockel, Thomas; Schohn, Thomas; Pelletier, Dominique; Carpentier, Liliane.
The AMBIO project conducted a comprehensive video-based baseline assessment of coral reef fish communities and associated habitats in the New Caledonian lagoons. The survey relies on remote unbaited underwater video observations, using the STAVIRO rotating technique. The present study deals with the Corne Sud area, in the south of New-Caledonia, and located within the “Grand Lagon Sud” World Heritage Property. The survey design covers the entire area. 155 stations were validated within 9 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 429 fish species (cf. AMBIO/A/1). 27 indicators were computed and mapped (maps available on a Sextant server). Indicators were analyzed using the PAMPA...
Tipo: Text
Palavras-chave: Biodiversité Ichtyofaune Habitat Vidéo sous-marine STAVIRO Evaluation Suivi Patrimoine mondial; Ecosystème corallien Nouvelle-Calédonie Indicateur Tableau de bord Serveur de cartes Sextant PAMPA Biodiversity Fish Habitat Underwater video STAVIRO Monitoring and assessment World Heritage Coral reefs New Caledonia Indicator Dashboard Map server Sextant PAMPA.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00406/51758/52355.pdf

Complementarity of Rotating Video and Underwater Visual Census for Assessing Species Richness, Frequency and Density of Reef Fish on Coral Reef Slopes
Provedor de dados: 5
Autores: Mallet, Delphine; Wantiez, Laurent; Lemouellic, Soazig; Vigliola, Laurent; Pelletier, Dominique.
Estimating diversity and abundance of fish species is fundamental for understanding community structure and dynamics of coral reefs. When designing a sampling protocol, one crucial step is the choice of the most suitable sampling technique which is a compromise between the questions addressed, the available means and the precision required. The objective of this study is to compare the ability to sample reef fish communities at the same locations using two techniques based on the same stationary point count method: one using Underwater Visual Census (UVC) and the other rotating video (STAVIRO). UVC and STAVIRO observations were carried out on the exact same 26 points on the reef slope of an intermediate reef and the associated inner barrier reefs. STAVIRO...
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00170/28132/26352.pdf

A general framework for indicator design and use with application to the assessment of coastal water quality and marine protected area management
Provedor de dados: 5
Autores: Beliaeff, Benoit; Pelletier, Dominique.
Environmental management decisions based upon indicators are the end point of a process involving stakeholders and scientists. These steps should be explicit and follow a chronology. This paper presents a general framework for the design and use of management-oriented indicators, integrating management questions and performance criteria. We first examined the desirable characteristics of indicators aimed at providing decision-support for marine environmental management. Ideally, one should select the indicator that guarantees a safe and unambiguous decision leading to the appropriate measures in terms of regulation, remediation or control. In the present study, indicators are assessed according to two criteria: relevance and effectiveness. Relevance...
Tipo: Text
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00032/14331/11638.pdf

Fiche synthèse Terrain : Réserve Merlet 2013
Provedor de dados: 5
Autores: Pelletier, Dominique; Roman, William; Loubersac, Lionel; Broutoi, Jean-marc; Laugier, Thierry.
This survey was conducted in July 2013 within the AMBIO project in new Caledonia. The survey aims at assessing fish communities and associated habitats in the Merlet Reserve, part of the World Heritage. 144 underwater unbaited rotating video observations, using the STAVIRO (141 stations) and the MICADO (3 stations) technique were validated.
Tipo: Text
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00274/38526/37037.pdf

Comparison of visual census and high definition video transects for monitoring coral reef fish assemblages
Provedor de dados: 5
Autores: Pelletier, Dominique; Leleu, Kevin; Mou-tham, Gerard; Guillemot, Nicolas; Chabanet, Pascale.
Monitoring fish and underwater habitats, particularly in and around marine protected areas (MPAs) requires non-destructive observation methods. This is generally achieved by divers conducting underwater visual censuses (UVC), but video-based techniques are now being used more often to observe underwater macrofauna and habitats. A comparison of these two techniques is relevant with the development of high-definition (HD) video, which constitutes a substantial improvement over previously available video resolutions at limited extra cost. We conducted a paired observation experiment involving both HD video and UVC in an MPA located in the New Caledonian lagoon, which is a highly diversified coral reef ecosystem. We compared three techniques for counting fish...
Tipo: Text
Palavras-chave: Fish assemblages; MPA monitoring; High-definition underwater video; Underwater visual censuses (UVC); Coral reefs.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00031/14192/11470.pdf

Etat de santé initial des habitats et peuplements de poissons des récifs de Chesterfield-Bellona, Parc Naturel de la Mer de Corail, Campagne de stations vidéo rotatives STAVIRO 2013
Provedor de dados: 5
Autores: Pelletier, Dominique; Bockel, Thomas; Roman, William; Carpentier, Liliane; Laugier, Thierry.
- The AMBIO project conducted a comprehensive video-based baseline assessment of coral reef fish communities and associated habitats in the New Caledonian lagoons. The surveys rely on remote unbaited underwater video observations, using the STAVIRO rotating technique. Chesterfield and Bellona remote reefs and atolls are located in the Coral Sea Marine Park, northwest of New Caledonia. -This 2013 survey is the first scientific survey covering the entire area, with a sampling design stratified according to reef type. 203 stations were validated within 10 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 565 fish species (cf. AMBIO/A/1). - 34 indicators were computed and mapped (maps...
Tipo: Text
Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Parc de la Mer de Corail; Aire Marine Protégée; AMP; Ecosystème corallien; Nouvelle-Calédonie; Indicateur; Tableau de bord; Serveur de cartes; Sextant; PAMPA; Biodiversity; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Coral Sea Marine Park; Marine Protected Area; MPA; World Heritage; Coral reefs; New Caledonia; Indicator; Dashboard; Map server; Sextant; PAMPA.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00381/49247/49700.pdf

Observer, évaluer et suivre la biodiversité sous marine des lagons : Intérêt des techniques vidéo rotatives en haute dé:nition. Où en est-on en Nouvelle-Calédonie ?
Provedor de dados: 5
Autores: Pelletier, Dominique; Mallet, Delphine; Roman, William; Loubersac, Lionel.
This article first draws up a balance sheet of all various implemented techniques to observe and monitor the shallow marine biodiversity. Then the article focuses on the techniques of the rotating high resolution submarine video and their implementation in New Caledonia on various sites and habitats under various management / protection policies such as Marines Protected Areas, strict marine reserves, registered sites on UNESCO world heritage or free access zones. An evaluation of these techniques and of their contributions is proposed in terms of transfer to other geographical zones, of practical feasibility in the technical, logistic and cost point of view as also are analyzed the perspectives offered by those technologies in terms of innovation, of...
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00174/28506/26855.pdf

Evaluation de l’impact de l’activité de croisière sur l’habitat et les peuplements de poissons de la Baie d’Easo-Xepenehe, Lifou. Campagne de stations vidéo rotatives STAVIRO 2014
Provedor de dados: 5
Autores: Pelletier, Dominique; Bockel, Thomas; Carpentier, Liliane; Schohn, Thomas; Raillard, Benoit; Roman, William; Powell, Abigail.
This study is conducted within the AMBIO project, focused on the biodiversity of New Caledonian lagoons. It aims at assessing the ecological impact of touristic cruises in the Baie du Santal at Lifou Island. A survey conducted in 2014 using the remote unbaited underwater video STAVIRO rotating technique, enabled to validate 133 stations, which were then analyzed to characterize the habitat surrounding each station, and fish communities, based on a list of 565 fish species. 15 indicators were computed and mapped (maps available on a Sextant server). They were analysed using the PAMPA computing tool. Outcomes were organized in a dashboard for each management objective (biodiversity conservation and fisheries management).  122 fish species (plus turtle and...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00362/47348/47335.pdf

Projet EPICURE : Étude des Peuplements Ichtyologiques et des CommUnautés RécifalEs à partir d’indicateurs spatiaux et de l’approche fonctionnelle, des bancs du Geyser, de la Zélée et de l’Iris. Programme du Xème FED régional « Gestion durable du patrimoine naturel de Mayotte et des îles Eparses
Provedor de dados: 5
Autores: Roos, David; Dupont, Priscilla; Gaboriau, Matthias; Bigot, Lionel; Durville, Patrick; Mulochau, Thierry; Pinault, Mathieu; Wickel, Julien; Urbina-barreto, Isabel; Mouquet, Pascal; Maurel, Laurence; Cantou, Michel; Fallourd, Sophie; Guilbert, Antonin; Hoarau, Jean-marc; Aumond, Yoann; Huet, Jerome; Evano, Hugues; Sabathe, Yoann; Giannasi, Paul; Adami, Paul; Mercky, Yann; Jac, Cyrielle; Sucre, Elliott; Pelletier, Dominique; Claverie, Thomas.
For the first time ever at such a spatial scale, the EPICURE project is using the complementary exosystemic, functional and fisheries approaches to analyze and compare the partially exploited fish‐populating structure of the Geyser, Zélée, and Iris banks. This project focuses on three main points, which are 1) a habitat map of the three banks and an assessment of the live coral coverage as a proxy of the Geyser bank’s health, 2) a description of fish assemblages and a functional analysis relative to habitat type and time and 3) an estimate of the abundance index in structure size of the main exploited stocks. Overall, 42 habitats over 268 km² were mapped on the Geyser bank with 534 field verifications. On the Zélée bank, 24 habitats were mapped over 183...
Tipo: Text
Palavras-chave: Peuplements ichtyologiques; Communautés récifales; Indicateurs populationnels; Approche fonctionnelle; Stocks halieutiques; Cartographie; Habitats; Bancs récifaux; Geyser; Iris; Zélée; Canal du Mozambique; Fish populating; Reef community; Population index; Functional approach; Fisheries stocks; Habitat map; Reef bank; Geyser; Zélée; Iris; Mozambican channel.
Ano: 2017
URL: https://archimer.ifremer.fr/doc/00434/54549/55924.pdf

Marine reserve benefits and recreational fishing yields: The winners and the losers
Provedor de dados: 5
Autores: Kayal, Mohsen; Cigala, Marine; Cambra, Eléonore; Soulat, Nelly; Mercader, Manon; Lebras, Audrey; Ivanoff, Pauline; Sébési, Léa; Lassus-debat, Aurélie; Hartmann, Virginie; Bradtke, Mélissa; Lenfant, Philippe; Jabouin, Coraline; Dubreuil, Julien; Pelletier, Dominique; Joguet, Manon; Le Mellionnec, Solène; Brichet, Marion; Binche, Jean-louis; Payrot, Jérôme; Saragoni, Gilles; Crec’hriou, Romain; Verdoit-jarraya, Marion.
Marine reserves constitute effective tools for preserving fish stocks and associated human benefits. However, not all reserves perform equally, and predicting the response of marine communities to management actions in the long run is challenging. Our decadal-scale survey of recreational fishing yields at France’s 45-year old Cerbère-Banyuls marine reserve indicated significant protection benefits, with 40–50% higher fishing yields per unit effort in the partial-protection zone of the reserve (where fishing is permitted but at a lower level) than in surrounding non-reserve areas. Over the period 2005–2014, catch per unit effort (CPUE) declined both inside and outside the reserve, while weight per unit effort (WPUE) increased by 131% inside and decreased by...
Tipo: Text
Ano: 2020
URL: https://archimer.ifremer.fr/doc/00663/77513/79287.pdf

Oceanic survival and movements of wild and captive-reared immature green turtles (Chelonia mydas) in the Indian Ocean
Provedor de dados: 5
Autores: Pelletier, Dominique; Roos, David; Ciccione, Stéphane.
The ability of captive-reared turtles to survive in the wild is not precisely known, nor are movements of immature turtles in the open ocean. To provide information on these issues, a satellite tracking experiment was conducted in the western Indian Ocean to monitor oceanic movements of immature green turtles. Two wild turtles and four captive-reared individuals were tracked. The latter had been displaced after birth from nesting sites to a distant rearing site. Wild turtles survived after release, but did not move far away from release site. We hypothesize that this resident behaviour may be explained by stage-specific habitat requirements. Captive-reared turtles survived after release and migrated over thousands of kilometres. Among these, the oldest...
Tipo: Text
Palavras-chave: Indian Ocean; Captive reared; Migration pattern; Satellite telemetry; Chelonia mydas; Marine turtle.
Ano: 2003
URL: http://archimer.ifremer.fr/doc/2003/publication-573.pdf

Guide d’utilisation des outils PAMPA. Version 2
Provedor de dados: 5
Autores: Pelletier, Dominique; Bissery, Claire; Gonson, Charles.
The aim of the PAMPA project (Indicators of Marine Protected Areas performance for managing coastal ecosystems, resources and their uses) was to develop tools and methodologies for assessing MPA performance. Most of these tools are made freely available. This guide contains the information needed to understand and utilize the PAMPA methodologies, and interpret their outcomes. It can be used for monitoring-based assessments from either ecological data or use-related data, provided that these data are formatted according to the requested entry format. The "Biodiversity and resource" platform is very flexible and enables calculating a large variety of indicators at different spatial scale, and for different sets of taxa The "Uses" platform is to our knowledge...
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00256/36715/35329.pdf

Spatially explicit fisheries simulation models for policy evaluation
Provedor de dados: 5
Autores: Pelletier, Dominique; Mahevas, Stephanie.
This paper deals with the design of modelling tools suitable for investigating the consequences of alternative policies on the dynamics of resources and fisheries, such as the evaluation of marine protected areas (MPA). We first review the numerous models that have been developed for this purpose, and compare them from several standpoints: population modelling, exploitation modelling and management measure modelling. We then present a generic fisheries simulation model, Integration of Spatial Information for FISHeries simulation (ISIS-Fish). This spatially explicit model allows quantitative policy screening for fisheries with mixed-species harvests. It may be used to investigate the effects of combined management scenarios including a variety of policies:...
Tipo: Text
Palavras-chave: Spatially and seasonally explicit model; Simulation tool; Mixed fishery; Marine protected areas; Management measures; Fisheries dynamics; Fisher' s behaviour.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-1031.pdf

The impacts of short-term temporal factors on the magnitude and direction of marine protected area effects detected in reef fish monitoring
Provedor de dados: 5
Autores: Powell, Abigail; Pelletier, Dominique; Jones, Timothy; Mallet, Delphine.
Marine protected areas (MPA) and in particular no-take marine reserves have been identified as important tools for the conservation of reef fish and habitats. A significant challenge of reef fish monitoring is to determine the influence of temporal factors on fish counts. Fish assemblages are dynamic and changes in activity patterns throughout the day can influence the results of surveys. While many monitoring programs account for the impacts of spatial heterogeneity on fish assemblages the effects of short-term temporal variation are less well known. In the present study, we analysed data from 197 video drops inside and outside New Caledonian MPAs and examined temporal variations in various metrics commonly used to monitor marine reserves. In addition to...
Tipo: Text
Palavras-chave: Monitoring; Marine protected areas; Temporal variability; Coral reef fish.
Ano: 2016
URL: https://archimer.ifremer.fr/doc/00358/46964/46878.pdf

Social carrying capacity assessment from questionnaire and counts survey: Insights for recreational settings management in coastal areas
Provedor de dados: 5
Autores: Gonson, Charles; Pelletier, Dominique; Alban, Frederique.
Because of demographic and tourism increase, coastal areas are facing higher numbers of recreational users. Together with other factors (environmental quality, protection status), the level of use affects the spatial distribution of users. This level also affects the quality of user experience, because beyond a certain level, the number of users results in decreased user satisfaction; this is the social carrying capacity (SCC), which depends on user and site characteristics. This study assessed the SCC in a popular coastal area and examined how it influences the spatial distribution of users. Boat and visitor counts as well as data from a questionnaire-based survey were analyzed to assess i) crowding perception, ii) factors affecting the disturbance...
Tipo: Text
Palavras-chave: Marine protected areas; Recreational users; Social carrying capacity; Coping strategy; New Caledonia.
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00454/56541/58331.pdf

Decadal increase in the number of recreational users is concentrated in no-take marine reserves
Provedor de dados: 5
Autores: Gonson, Charles; Pelletier, Dominique; Gamp, Elodie; Preuss, Bastien; Jollit, Isabelle; Ferraris, Jocelyne.
In coastal areas, demographic increase is likely to result in greater numbers of recreational users, with potential consequences on marine biodiversity. These effects may also occur within Marine Protected Areas (MPAs), which are popular with recreational users. Our analysis builds on data collected over a ten-year period during three year-round surveys to appraise changes in recreational boating activities in coral ecosystems. Results show that the number of boaters has greatly increased, particularly so within MPAs during weekends and the warm season, when peaks in boat numbers have become more frequent. We also observed that the number of anchored boats has increased over the period. These changes may be resulting in biophysical impacts that could be...
Tipo: Text
Palavras-chave: Recreational uses; MPA; Coral reef ecosystem; Spatio-temporal pattern; New Caledonia; Mooring practices.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00327/43776/44014.pdf

Sustainability of exploited marine ecosystems through protected areas: A viability model and a coral reef case study
Provedor de dados: 5
Autores: Doyen, L; De Lara, M; Ferraris, Jocelyne; Pelletier, Dominique.
Overexploitation of marine resources remains a problem worldwide. Many works advocate for the use of marine reserves as a central element of future stock management in a sustainable perspective. In the present paper, we address the influence of protected areas upon fisheries sustainability within an eco-systemic framework through a dynamic bio-economic model integrating a trophic web, catches and environmental uncertainties. The model is spatially implicit. The evaluation of the ecosystem is designed through the respect along time of constraints of both conservation and guaranteed captures. Using the mathematical concept of invariance kernel in a stochastic context, we define different MPA effects according to biodiversity catches or mixed points of view....
Tipo: Text
Palavras-chave: Invariance analysis; Co viability; Marine protected area; Fisheries management; Renewable resource; Marine ecosystems.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-3510.pdf

Reproductive seasonality and trend of Chelonia mydas in the SW Indian Ocean: a 20 yr study based on track counts
Provedor de dados: 5
Autores: Lauret-stepler, Marie; Bourjea, Jerome; Roos, David; Pelletier, Dominique; Ryan, P.g.; Ciccione, Stephane; Grizel, Henri.
The green turtle Chelonia mydas is classified as endangered because of global declines over the past few centuries due to human exploitation and habitat destruction, particularly the loss of nesting areas. We used the number of tracks as an indicator of breeding female abundance at their nesting sites to study the seasonality and trends of turtles breeding at 3 islands in the SW Indian Ocean: Europa, Tromelin and Grande Glorieuse, over 20 yr. On Tromelin, tracks were counted along the entire nesting beach, but on Europa and Grande Glorieuse counts were limited to a proportion of the island. Europa and Tromelin exhibited similar seasonal patterns, with a well-defined peak during the wet season (November–February), compared to a dry season peak for Grande...
Tipo: Text
Ano: 2007
URL: http://archimer.ifremer.fr/doc/00018/12917/9874.pdf

Evaluation de l’état de santé des habitats et peuplements de poissons de la zone de Voh-Koné-Pouembout, Campagnes de stations vidéo rotatives STAVIRO 2007-2013
Provedor de dados: 5
Autores: Giraud-carrier, Charlotte; Pelletier, Dominique.
• Conducted within the AMBIO project, this work deals with coral reef fish communities and associated habitats, in the New Caledonian lagoons. It aims at assessing the status and trends of habitats and mobile macrofauna in the Voh-Kone-Pouembout lagoon, in the light of demographic and industrial developments and accounting for the existing customary reserve of Oundjo. • It relies on 280 stations collected in 2007 and 2013 using the remote unbaited underwater video STAVIRO rotating technique, which were analysed to characterize habitat, fish assemblages, turtles and sea snakes, from a list of 490 species (AMBIO/A/1). • 143 species (including one turtle species and one sea snake species), belonging to 23 families were observed. The most frequent and abundant...
Tipo: Text
Palavras-chave: Biodiversité; Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Impact anthropique; Aire Marine Protégée; Réserve coutumière; Ecosystème corallien; Nouvelle-Calédonie; Indicateur; Tableau de bord; Serveur de cartes; Sextant; PAMPA; Biodiversity; Fish assemblage; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Anthropogenic impact; Marine Protected Area; MPA; Customary reserve; Coral reefs; New Caledonia; Indicator; Dashboard; Map server; Sextant; PAMPA.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00360/47109/47050.pdf

A model-based evaluation of Marine Protected Areas: the example of eastern Baltic cod (Gadus morhua callarias L.)
Provedor de dados: 5
Autores: Kraus, Gerd; Pelletier, Dominique; Dubreuil, Julien; Moellmann, Christian; Hinrichsen, Hans-harald; Bastardie, Francois; Vermard, Youen; Mahevas, Stephanie.
The eastern Baltic cod stock collapsed as a consequence of climate-driven adverse hydrographic conditions and over fishing and has remained at historically low levels. Spatio-temporal fishing closures [Marine Protected Areas (MPAs)] have been implemented since 1995, to protect and restore the spawning stock. However, no signs of recovery have been observed yet, either suggesting that MPAs are an inappropriate management measure or pointing towards suboptimal closure design. We used the spatially explicit fishery simulation model ISIS-Fish to evaluate proposed and implemented fishery closures, combining an age-structured population module with a multifleet exploitation module and a management module in a single model environment. The model is parameterized...
Tipo: Text
Palavras-chave: Stock recovery; Model; Marine Protected Areas; Fishery management; Baltic cod.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6094.pdf

Description et évaluation initiale par stations vidéo rotatives STAVIRO des habitats et peuplements de poissons des îles volcaniques de Matthew et Hunter, Parc Naturel de la Mer de Corail. Campagne 2014.
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique.
This study deals with fish communities and associated habitats of New Caledonian remote coral reef ecosystems. It was conducted in June 2014 within the AMBIO project. It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique.  The study takes place at Matthew and Hunter volcanic islands within the Coral Sea Natural Park which encompasses New Caledonia’s Exclusive Economic Zone. The sampling design covers the leeward coast of each island. 9 stations were validated within 2 days. Stations were analyzed to characterize the habitat surrounding each station, and fish communities, including fished species, emblematic species and functionally important species.  Species composition, abundances, trophic structure of...
Tipo: Text
Ano: 2015
URL: http://archimer.ifremer.fr/doc/00270/38084/36218.pdf

PECHTRAD 2015 &amp; 2016. Analyses des données de pêches traditionnelles à pied et caractérisation des peuplements ichtyologiques grâce à un outil de vidéo rotative (STAVIRO), sur le platier récifal interne et sur la pente externe de l’Ermitage, Réserve Naturelle Marine de La Réunion. Rapport de synthèse des travaux confiés par le GIP RNMR à l’Ifremer Délégation Océan Indien pour les années 2015 &amp; 2016
Provedor de dados: 5
Autores: Roos, David; Gaboriau, Matthias; Huet, Jerome; Masse, Lola; Pelletier, Dominique.
An analysis of the results on the annual trend of the fishing activities in the beach seine, the fishing pole and the stick techniques, in terms of both fishing efforts and catches on the three reference sectors of the Marine Nature Reserve of Reunion island, was realized according to an indicator trend approach. On the Ermitage/La Saline area, the 2016 results highlight a significant increase of the fishing effort for the three practices. If the indices of catches by effort unit showed increases in 2016 for the beach seine and the fishing pole, a decrease of yields is observed for the stick technic. The analysis of the size structures of macabits species (honeycomb groupers), targeted by the pole fishermen, and in weight of zourites (octopus) by the stick...
Tipo: Text
Palavras-chave: Pêcherie récréative; Senne de plage; Capucins nains; Mulloidichthys flavolineatus; Pêche à la gaulette; Pêche au poulpe; Vidéo rotative; Aire Marine Protégée (AMP); Réserve Naturelle Marine de La Réunion; Recreational fisheries; Beach seine; Fishing role; Octopus stick fishing; Yellowstripe goatfish; Mulloidichthys flavolineatus; Rotating video; MPA; Marine Nature Reserve of Reunion island.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00410/52122/52830.pdf

Scale-dependency of the environmental influence on fish β-diversity: Implications for ecoregionalization and conservation
Provedor de dados: 5
Autores: Garcia, Jessica; Pelletier, Dominique; Carpentier, Liliane; Roman, William; Bockel, Thomas.
Aim To determine the ecoregions (spatial marine areas with similar environmental and physical conditions associated with relatively homogeneous fish assemblages) for shallow reef fish assemblages based on predictive models of beta diversity (β‐diversity) that account for both large‐scale environmental factors and local habitat characteristics. We assessed the influence of a spatial scale to rank the importance of these factors. Location New Caledonian (south‐west Pacific Ocean, 17–24° S, 158–172° W) Exclusive Economic Zone, Coral Sea Marine Park. Taxon Fish. Methods Fish and habitat data that were collected at 13 sites around New Caledonia using unbaited rotating underwater video (285 sampling stations) were analysed. Gradient forest modelling was used to...
Tipo: Text
Palavras-chave: Β‐diversity; Ecoregion; Gradient forest; Marine biodiversity; New Caledonia; Scale-dependency; Species turnover; Underwater video.
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00455/56668/58629.pdf

Questionnaire standardisé pour les enquêtes sur la pêche récréative (projet PAMPA)
Provedor de dados: 5
Autores: Pelletier, Dominique; Alban, Frederique; Gamp, Elodie; Ferraris, Jocelyne.
Final version of the questionnaire for recreational fishers used for the interviews conducted during the PAMPA project. Interviews were conducted at the following MPAs partners of the project : New Caledonia (Noumea Lagoon), Réunion Marine Reserve, Banyuls Marine Reserve, Côte Bleue Marine Park and Cap Roux fishing closure.
Tipo: Text
Palavras-chave: Enquête; Pêche récréative; Questionnaire; Usages; Aire Marine Protégée; PAMPA; Interview; Recreational fishing; Questionnaire; Users; Marine Protected Area; PAMPA.
Ano: 2021
URL: https://archimer.ifremer.fr/doc/00674/78594/80813.pdf

Combining sensitivity and uncertainty analysis to evaluate the impact of management measures with ISIS-Fish: marine protected areas for the Bay of Biscay anchovy (Engraulis encrasicolus) fishery
Provedor de dados: 5
Autores: Lehuta, Sigrid; Mahevas, Stephanie; Petitgas, Pierre; Pelletier, Dominique.
Spatio-seasonal explicit simulation models can predict the impact of spatial management measures on marine fish populations and fishing activities. As fisheries are complex systems, fisheries simulation models are often complex, with many uncertain parameters. Here, the methodology is provided to deliver fishery diagnostics within an uncertainty context using a complex simulation tool. A sensitivity analysis of the model is performed on model outputs using partial least-squares to identify the most sensitive parameters. The impact of several management measures is then simulated using a statistical simulation design taking into account the uncertainty of the selected sensitive parameters. This approach was applied to the Bay of Biscay anchovy stock using...
Tipo: Text
Palavras-chave: Bay of Biscay anchovy; Marine protected area; Sensitivity analysis; Simulation; Uncertainty analysis.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00011/12234/9281.pdf

Utilisation de la technique vidéo STAVIRO pour l’observation et le suivi des ressources et des écosystèmes récifo-lagonaires de Mayotte. Etude pilote et recommandations pour les suivis futurs
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique.
• In order to assess the sustainability of fish resources in the Natural Marine Park of Mayotte (Western Indian Ocean), indicators and monitoring protocols must be determined. • This study relied on the underwater video technique STAVIRO for assessing fish communities and resources. A pilot survey was conducted in Nov. 2014 in the south-east quarter of the Mayotte lagoon, an area encompassing the marine reserves of Longogori, M’Bouzi and the Saziley Marine Park. Out of 115 stations collected, 104 were analysed for habitat and fish, based on a list of 527 species with fishing, ecological, or emblematic interest (cf. AMBIO/A/1). • 43 indicators were computed, analysed, and for some mapped. The PAMPA computing tool was used in this purpose. • 130 fish species...
Tipo: Text
Palavras-chave: Ichtyofaune; Pêche; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Biodiversité; Ecosystème corallien; AMP; Parc Naturel Marin de Mayotte; Océan Indien; Indicateur; Tableau de bord; PAMPA; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Biodiversity; Coral reefs; MPA; Natural Marine Park of Mayotte; Western Indian Ocean; Indicator; Dashboard; PAMPA.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00373/48421/48642.pdf

Synthèse des rencontres entre scientifiques et gestionnaires d'AMP. Rapport du projet LiteauII-AMP. Perpignan, 30 novembre et 1er décembre 2004
Provedor de dados: 5
Autores: Pelletier, Dominique; Charbonnel, Eric; Licari, Marie-laure; Lloret, Josep; Riera, Victoria; Auscher, Fabrice; Culioli, Jean-michel; Le Niliot, Philippe.
This report synthesizes the discussions of a workshop organized during the "Liteau II-AMP" project , a collaborative project involving scientists and MPA managers that aimed at developing diagnostic and exploratory tools for the assessment of Marine Protected Areas performance. This 2004-2006 project was funded by the Liteau program (http://www.liteau.ecologie.gouv.fr) of the French Ministry of Ecology and Sustainable Development. The workshop was organized on 30th November and 1st December at the EPHE (University of Perpignan, France). It was aimed at gathering a number of scientists and managers involved in MPA in France and in overseas French territories, in order to discuss the issue of interactions between managers and scientists in the context of...
Tipo: Text
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/rapport-6797.pdf

Evaluation de l’état de santé des récifs par stations vidéo rotatives STAVIRO : Bourail, Zone Côtière Ouest, Campagne 2012.
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique; Powell, Abigail; Bockel, Thomas; Gonson, Charles; Mallet, Delphine.
This work deals with fish communities and associated habitats, in the context of New Caledonian coral reef ecosystems. It was conducted within the AMBIO project. The study relies on remote unbaited underwater video observations, using the STAVIRO rotating technique.  The study takes place in the Bourail area, an area (Western Coastal Area) part of the World Heritage site “New Caledonian lagoons”. It encompasses two Marine Protected Areas, Poé and the Ile Verte. The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 150 stations were validated within 6 days (40hrs spent at sea). They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a species list...
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00270/38083/36217.pdf

Hyehen 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO
Provedor de dados: 5
Autores: Pelletier, Dominique; Bockel, Thomas; Roman, William; Powell, Abigail; Giraud-carrier, Charlotte; Soulard, Benoit; Royer, Florence; Gonson, Charles.
This work deals with fish communities and associated habitats, in the context of New Caledonian coral reef ecosystems. It was conducted within the AMBIO project. The study relies on remote underwater video observations, using the STAVIRO rotating technique. The study takes place in the Hienghene area, an area (Eastern Coastal Area) part of the World Heritage site “New Caledonian lagoons”. It encompasses two Marine Protected Areas, Do Himenand Yeega. The sampling design covers the entire area, and was stratified according to reef geomorphology and protection status. 105 stations were validated within 4,5 days. They were analyzed to characterize the habitat surrounding each station, and fish communities, based on a species list that includes fished species,...
Tipo: Text
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00274/38521/37032.pdf

Do we protect biological originality in protected areas? A new index and an application to the Bonifacio Strait Natural Reserve
Provedor de dados: 5
Autores: Mouillot, D; Culioli, J; Pelletier, Dominique; Tomasini, J.
Changes in biodiversity may disrupt the ecological functions performed by species assemblages. Hence, we urgently need to examine the implications of biodiversity loss not only in terms of species conservation but also in terms of sustainability of ecosystem services. The ability of protected areas to maintain local species richness has been clearly demonstrated. However, preserving goods and services provided by ecosystems requires not only the conservation of species richness but also the conservation of the most 'original' species, i.e. the ones with the highest average rarity of their attributes which are likely to perform some unique functions in ecosystems. We proposed a new conservation of biological originality (CBO) index as well as associated...
Tipo: Text
Palavras-chave: Biological indicator; Indicator species; Fish assemblage; Randomization test; Functional originality; Functional trait; Marine reserve.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-4480.pdf

Assessing the effects of marine protected area (MPA) on a reef fish assemblage in a northwestern Mediterranean marine reserve: Identifying community-based indicators
Provedor de dados: 5
Autores: Claudet, Joachim; Pelletier, Dominique; Jouvenel, J.y; Bachet, F; Galzin, R.
Marine protected areas (MPAs) are increasingly envisaged as a tool to manage coastal ecosystems and fisheries. Assessment of their performance with respect to management objectives is therefore important. A number of WAS provided conservation benefits for fished species. Observed benefits do not apply to all species at all times, and responses to protection are also highly variable among fish taxa. Among the many empirical studies on marine reserves, only a few designs considered 'before and after data' and spatial variation. In this paper, we are interested in assessing the effect of a no-take reserve on the reef fish assemblage in a northwestern Mediterranean example. Data were obtained from a three-year survey using underwater visual censuses (UVC),...
Tipo: Text
Palavras-chave: Northwestern Mediterranean; Reef fish assemblage; Multivariate regression trees; Permutational multivariate analysis of variance; Ecological indicator; Marine protected area; Impact assessment.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/publication-1702.pdf

Fishers' perceptions as indicators of the performance of Marine Protected Areas (MPAs)
Provedor de dados: 5
Autores: Leleu, Kevin; Alban, Frederique; Pelletier, Dominique; Charbonnel, Eric; Letourneur, Yves; Boudouresque, Charles F.
How users perceive the performance of Marine Protected Areas (MPAs) is fundamental for the social acceptance of these zones. Moreover, their perceptions may be relevant for monitoring the effects of MPAs on extractive activities. This study analyzes artisanal fishers' perceptions of the performance of a north-western Mediterranean coastal MPA, which encompasses two no-take zones (NTZs). Three viewpoints have been considered: the effect on the personal activity of fishers, the effect on the local fishery and the effect on the ecosystem. In order to test the hypothesis that biomass export (spillover) - which had previously been evidenced from the two NTZs - may influence fishers' perceptions of NTZ effects, fishers' perceptions were compared with both...
Tipo: Text
Palavras-chave: Artisanal fishery; Fishers' perceptions; Social acceptance; No-take zone; MPA performance.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00060/17137/16442.pdf

Influence of settings management and protection status on recreational uses and pressures in marine protected areas
Provedor de dados: 5
Autores: Gonson, Charles; Pelletier, Dominique; Alban, Frederique; Giraud-carrier, Charlotte; Ferraris, Jocelyne.
Coastal populations and tourism are growing worldwide. Consequently outdoor recreational activity is increasing and diversifying. While Marine Protected Areas (MPAs) are valuable for mitigating anthropogenic impacts, recreational uses are rarely monitored and studied, resulting in a lack of knowledge on users' practices, motivation and impacts. Based on boat counts and interview data collected in New Caledonia, we i) explored factors affecting user practices and motivations, ii) constructed fine-scale pressure indices covering activities and associated behaviors, and iii) assessed the relationships between user practices and site selection. User practices were found to depend on protection status, boat type and user characteristics. Pressure indices were...
Tipo: Text
Palavras-chave: Marine protected areas; Recreational users; Pressure assessment; Motivation; Recreational opportunity spectrum; New-Caledonia.
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00387/49808/50438.pdf

Utilisation de la technique vidéo STAVIRO pour l’observation et le suivi des ressources et des écosystèmes récifo‐lagonaires de Mayotte. Etude pilote et recommandations pour les suivis futurs. Annexe 1 : Fiches métriques : Influences du statut de pêche, du type géomorphologique et de l’habitat
Provedor de dados: 5
Autores: Roman, William; Pelletier, Dominique; Wickel, Julien; Giannasi, Paul.
• This work deals with coral reef fish resources and communities in the Natural Marine Park of Mayotte, Western Indian Ocean). It relies on remote unbaited underwater video observations, using the STAVIRO rotating technique.  • This document is complementary to the main assessment report:  William Roman and Dominique Pelletier, 2016. The STAVIRO video technique for monitoring fish resources and reef ecosystems in the Natural Marine Park of Mayotte (Western Indian Ocean). Pilot study and recommendations for monitoring. EXPLOCEAN-IFREMER Report.  • It pertains to the assessment of resources with respect to fishing pressure and factors related to local habitat and reef geomorphology. • It comprises the description of the metrics used for the assessment:...
Tipo: Text
Palavras-chave: Ichtyofaune; Habitat; Vidéo sous-marine; STAVIRO; Evaluation; Suivi; Biodiversité; Ecosystème corallien; AMP; Parc Naturel Marin de Mayotte; Indicateur; PAMPA; Fish; Habitat; Underwater video; STAVIRO; Monitoring and assessment; Biodiversity; Coral reefs; MPA; Natural Marine Park of Mayotte; Indicator; PAMPA.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00373/48422/48643.pdf

Are commercial logbook and scientific CPUE data useful for characterizing the spatial and seasonal distribution of exploited populations? The case of the Celtic Sea whiting
Provedor de dados: 5
Autores: Verdoit, Marion; Pelletier, Dominique; Bellail, Robert.
A statistical approach is proposed to utilize the information contained both in scientific surveys and commercial fishing logbooks, in order to determine spatial and temporal distributions of recruiting and spawning fish of exploited populations. The approach is based on multivariate descriptive methods including ordination methods and classification techniques. A typology involving a principal component analysis (PCA), followed by a hierarchical ascending classification (HAC), is applied to both scientific and commercial data. PCA that accounts for spatial and temporal contiguities were performed. These analyses allow to compare structures observed at global and local scales, with those observed without focusing on a particular scale. The method is...
Tipo: Text
Palavras-chave: Contiguity analysis; Cluster analysis; Factorial analysis; Atlantic Ocean; Whiting; Survey data; Commercial catch and effort data; Stock assessment; Bottom trawl survey design.
Ano: 2003
URL: http://archimer.ifremer.fr/doc/2005/publication-335.pdf

From Raw Biodiversity Data to Indicators, Boosting Products Creation, Integration and Dissemination: French BON FAIR initiatives and related informatics solutions
Provedor de dados: 5
Autores: Le Bras, Yves; Delavaud, Aurélie; Pelletier, Dominique; Mihoub, Jean-baptiste.
Tipo: Text
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00512/62327/66585.pdf

L'Ifremer entre ciel et mer. Dossier
Provedor de dados: 5
Autores: Chopot, Sandrine; Loubersac, Lionel; Laugier, Thierry; Chim, Liet; Pelletier, Dominique.
It is about an article presenting the institute, its history, its presence and the projects it leads in New Caledonia. After a first part of general presentation of Ifremer a focus is placed on the strengthening of the presence of the institute in New Caledonia. 3 points are developed by L. Loubersac on the in-house organization, the strategy and examples of works realized within the framework of the buildind up of the lagoons integrated project. Then a spotlight is offered toward 3 projects: DEDUCTION 2 which aims at optimizing the performances of the shrimp aquaculture sector (T. Laugier), AMICAL which focuses on micro-algae aquaculture (L. Chim) and AMBIO centred on the monitoring and the definition of performance indicators for management of Marine...
Tipo: Text
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00200/31093/29501.pdf

Changes in the catch composition of artisanal fisheries attributable to dolphin depredation in a Mediterranean marine reserve
Provedor de dados: 5
Autores: Rocklin, Delphine; Santoni, Marie-catherine; Culioli, Jean-michel; Tomasini, Jean-antoine; Pelletier, Dominique; Mouillot, David.
There is increasing evidence from previous studies, and from fishers' observations, that coastal dolphins use fishing nets as an easily accessible feeding source, damaging or depredating fish caught in the nets. This study investigates the impact of dolphin depredation on artisanal trammelnets by analysing the catch composition of 614 artisanal fishing operations in the Bonifacio Strait Natural Reserve (France). Common bottlenose dolphins (Tursiops truncatus) attacked, on average, 12.4% of the nets and damaged 8.3% of the catch. However, attacked nets were characterized by statistically significantly higher catch per unit effort than unattacked ones. Catch composition also differed significantly after dolphin attacks; bentho-pelagic fish were more...
Tipo: Text
Palavras-chave: Marine protected area; Interactions with fisheries; Depredation; Catch per unit effort; Catch composition; Bottlenose dolphin; Artisanal fisheries.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6808.pdf