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Registros recuperados: 17
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Pweevo 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO ArchiMer
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...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00274/38522/37033.pdf
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Fiche synthèse campagne d'échantillonnage vidéo : Corne sud ArchiMer
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).
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00274/38524/37035.pdf
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Borendy 2012. Bilan de l’état de santé des récifs par stations vidéo rotatives STAVIRO ArchiMer
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...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00274/38523/37034.pdf
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Bilan des campagnes terrain vidéo 2012. Site : Bourail – Borindi – Hienghène - Pouébo ArchiMer
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
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La vidéo rotative autonome pour l’observation des habitats et de la macrofaune côtiers. Guide méthodologique des systèmes STAVIRO et MICADO. ArchiMer
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...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00357/46859/46751.pdf
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Avantages et inconvénients de la stéréo vidéo : applicabilité au protocole pour STAVIRO ArchiMer
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
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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 ArchiMer
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
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Fiche synthèse Terrain : Réserve Merlet 2013 ArchiMer
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.
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00274/38526/37037.pdf
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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 ArchiMer
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
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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 ? ArchiMer
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...
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00174/28506/26855.pdf
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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 ArchiMer
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...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00362/47348/47335.pdf
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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. ArchiMer
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...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00270/38084/36218.pdf
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Scale-dependency of the environmental influence on fish β-diversity: Implications for ecoregionalization and conservation ArchiMer
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
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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 ArchiMer
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
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Evaluation de l’état de santé des récifs par stations vidéo rotatives STAVIRO : Bourail, Zone Côtière Ouest, Campagne 2012. ArchiMer
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...
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00270/38083/36217.pdf
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Hyehen 2012. Bilan de l’état de santé du récif par stations vidéo rotatives STAVIRO ArchiMer
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,...
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00274/38521/37032.pdf
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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 ArchiMer
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
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