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| Registros recuperados: 23 | |
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| Gascuel, D.; Bez, Nicolas; Forest, Andre; Guillotreau, P.; Laloe, F.; Lobry, Jeremy; Mahevas, Stephanie; Mesnil, Benoit; Rivot, Etienne; Rochette, S.; Trenkel, Verena. |
| We, members of the Association Francaise d'Halieumetrie, share the conviction that European fisheries have a future. It is time to get off the wrong track. Radical change is required to embark on the path of sustainable development and truly implement the ecosystem approach to fisheries. Today, high fishing pressure is deployed to catch a rare resource, which in return is responsible for the rarity. We must reverse the situation: an abundant resource that affords high catches applying moderate fishing pressure. All management tools and especially all actors must be mobilized. The transition is not simple, and European solidarity must accompany the changes. It is well worth the effort. By reducing fishing pressure, it will be possible in the medium term to... |
| Tipo: Text |
Palavras-chave: Access regulation; Ecosystem approach to fisheries; European Common Fishery Policy; ITQ; MPA; MSY; Management plan; Overcapacity; Subsidies. |
| Ano: 2011 |
URL: http://archimer.ifremer.fr/doc/00035/14598/11947.pdf |
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| Artero, C.; Murie, D. J.; Koenig, C. C.; Berzins, R.; Bouchon, C.; Lampert, Luis. |
| The age and growth of the Critically Endangered Atlantic goliath grouper Epinephelus itajara of equatorial French Guiana was determined by a non-lethal aging method using dorsal fin rays. Goliath grouper deposit 1 complete annulus per year, with the translucent zone of the annulus laid down at the beginning of the dry season (July). Two readers independently applied the method; there was full agreement between the two for 52% of the fish, and agreement of +/- 1 yr for 82%. Comparison of ages derived from paired samples of otoliths and fin rays were identical (n = 6). The mean age of goliath grouper was 4.2 yr (range = 1 to 17 yr; n = 229); 82% of the individuals were under the size/age of sexual maturity. Goliath grouper in French Guiana are larger at a... |
| Tipo: Text |
Palavras-chave: Epinephelidae; Critically Endangered species; Sclerochronology; Fin rays; MPA. |
| Ano: 2015 |
URL: http://archimer.ifremer.fr/doc/00292/40320/38759.pdf |
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| Borges,Luiz Felipe Kruel; Ferreira,Rogério; Siqueira,Lucas Carvalho; Bohrer,Rodrigo Camponogara; Borstmann,Jacson William; Oliveira,João Francisco Coelho de; Gonçalves,Paulo Bayard Dias. |
| The aim was to develop a timed artificial insemination (TAI) system in suckled beef cows. Cows (n=227), 60-80 days postpartum, received estradiol benzoate (5mg) and a vaginal device containing 250µg of medroxyprogesterone acetate (MPA; day 0). On day six, cloprostenol (125µg) and eCG (400IU) were administrated and calves were weaned for 88h. The devices were removed on day seven (BioRep group) or on day eight (TAI group). All cows of TAI group and cows of BioRep group that did not exhibit standing estrus received GnRH (100µg) on day 9. In experiment I, the follicular growth was monitored daily by transrectal ultrasound exams, from day 6 to day 9. The average size of the dominant follicle on day nine was 11.1±0.99mm (BioRep, n=7) and 11.5±0.65mm (TAI, n=7)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cows; Postpartum; TAI; MPA; Ovulation. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000200028 |
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| Roos, David; Rungassamy, Tevamie; Huet, Jerome. |
| A diagnosis of recreational fisheries is carried out each year on the reef flat area of the Hermitage / La Saline managed by the Natural Marine Reserve of Reunion. The evolution of beach seine, fishing-rod and stick fishing activities, in terms of fishing effort and catch was analyzed. The status of exploited stocks differs according to the fishing technique. In 2018, the annual trend of catch per unit of effort indices showed 1°) an increase in the abundances of goatfish fished with beach seine, 2°) a relative stability with the fishing-rod practice and 3°) a constant decrease in octopus yields for stick fishermen. The honeycomb groupers size structure, targeted by fishing-rod fishermen, has improved. Octopus showed a decrease of larger specimens. Thus,... |
| Tipo: Text |
Palavras-chave: Pêcherie récréative; Senne de plage; Capucins nains; Mulloidichthys flavolineatus; Pêche à la gaulette; Epinephelus merra; Poulpe; Octopus cyanea; Aire Marine Protégée (AMP); Réserve Marine; La Réunion; Recreational fisheries; Beach seine; Yellowstripe goatfish; Mulloidichthys flavolineatus; Fishing-rod; Epinephelus merra; Octopus; Octopus cyanea; MPA; Marine Reserve; Reunion island. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00466/57749/60016.pdf |
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| Roos, David; Rungassamy, Tévamie; Evano, Hugues; Varenne, Fanchon; Fry, Ludivine; Chapat, Melodie; Gallion, Nicolas; Huet, Jerome. |
| This study summarizes the results of the processing and analysis of data from illegal fisheries, apprehended by the eco-guards of the Marine Natural Reserve of Reunion from 2015 to 2017 (including the first dataset from 2018). These information are valued in terms of fisheries and bioecological knowledge for reef fish species. Thus, both diversity and abundance indices, size structures, growth parameters, stock characterization, can be apprehended from the biological parameters collected on all the species caught because they often do not exist : the sizes, weights, sexes, maturities, scales, otoliths, stomach contents as well as genetic and isotopic samples. These indices would contribute to a better diagnosis of the status and the sensitivity of stocks... |
| Tipo: Text |
Palavras-chave: Paramètres biologiques; Mesure biométrique; Maturité; Braconnage; Aire marine protégée; AMP; Réserve Naturelle Marine de La Réunion; Biological parameters; Biometric measurement; Maturity; Poaching; Marine protected area; MPA; La Reunion Marine Natural Reserve. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00469/58084/60487.pdf |
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| 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 |
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| 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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| 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 |
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| Gonson, Charles. |
| Coastal areas are complex socio-ecosystem where ecological, human and decisional compounds show multiple and reciprocal relationships. Because of the growth of population and tourism sector, coastal areas are permanently threatened through increase of recreational uses and diversification of related activities. To better understand coastal areas functioning, it is necessary to take into account uses and their management. Monitoring data over a ten years period revealed that recreational uses greatly increased especially within Marine Protecting Areas (MPA), during week-end days and warm season resulting to higher and more frequent frequentation peaks. While, practices within MPA are managed to decrease impacts, pressures associated with recreational uses... |
| Tipo: Text |
Palavras-chave: Usages; Nouvelle-Calédonie; AMP; GIZC; Évaluation; Indicateur; DPSIR; Uses; New-Caledonia; MPA; ICZM; Assessment; Indicator; DPSIR. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00391/50261/50888.pdf |
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| Roberts, Callum M.; O'Leary, Bethan C.; Mccauley, Douglas J.; Cury, Philippe Maurice; Duarte, Carlos M.; Lubchenco, Jane; Pauly, Daniel; Saenz-arroyo, Andrea; Rashid Sumaila, Ussif; Wilson, Rod W.; Worm, Boris; Carlos Castilla, Juan. |
| Strong decreases in greenhouse gas emissions are required to meet the reduction trajectory resolved within the 2015 Paris Agreement. However, even these decreases will not avert serious stress and damage to life on Earth, and additional steps are needed to boost the resilience of ecosystems, safeguard their wildlife, and protect their capacity to supply vital goods and services. We discuss how well-managed marine reserves may help marine ecosystems and people adapt to five prominent impacts of climate change: acidification, sea-level rise, intensification of storms, shifts in species distribution, and decreased productivity and oxygen availability, as well as their cumulative effects. We explore the role of managed ecosystems in mitigating climate change... |
| Tipo: Text |
Palavras-chave: Ecological insurance; Marine protected areas; Nature-based solution; MPA; Global change. |
| Ano: 2017 |
URL: https://archimer.ifremer.fr/doc/00625/73712/76769.pdf |
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| 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 |
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| 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 |
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| Dickey-collas, Mark; Mcquatters-gollop, Abigail; Bresnan, Eileen; Kraberg, Alexandra C.; Manderson, John P.; Nash, Richard D. M.; Otto, Saskia A.; Sell, Anne F.; Tweddle, Jacqueline F.; Trenkel, Verena. |
| Marine environmental legislation is increasingly expressing a need to consider the quality of pelagic habitats. This paper uses the European Union marine strategy framework to explore the concept of good environmental status (GES) of pelagic habitat with the aim to build a wider understanding of the issue. Pelagic ecosystems have static, persistent and ephemeral features, with manageable human activities primarily impacting the persistent features. The paper explores defining the meaning of "good", setting boundaries to assess pelagic habitat and the challenges of considering habitat biodiversity in a moving medium. It concludes that for pelagic habitats to be in GES and able to provide goods and services to humans, three conditions should be met: (i) all... |
| Tipo: Text |
Palavras-chave: Marine strategy framework directive; MPA; Pelagic habitats; Plankton; Seascape. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00414/52596/53551.pdf |
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| Rayón Peña, Juan Virgilio. |
| El maíz es el cultivo más importante del estado de Guerrero, por lo que, en el municipio de Tlalchapa, se realizó un análisis de los procesos de producción, de las condiciones socioeconómicas y tecnológicas, así como de las políticas gubernamentales de apoyo a la producción, todo ello para detectar las deficiencias existentes y proponer soluciones mediante las cuales los productores puedan mejorar la productividad y, por tanto, sus ingresos. El presente estudio se llevó a cabo en el periodo del 20 de julio al 14 de agosto de 2013, aplicando un cuestionario a los productores de maíz que siembran en el ciclo Primavera-Verano y posteriormente se utilizó la Matriz de Análisis de Política (MAP) para analizar la información obtenida. Los resultados de la... |
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Palavras-chave: Condiciones socioeconómicas; Productividad; MAP; Agricultura sustentable; Socio-economic conditions; Productivity; MPA; Sustainable agriculture; Economía; Maestría. |
| Ano: 2014 |
URL: http://hdl.handle.net/10521/2249 |
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| Albouy, Camille; Mouillot, David; Rocklin, Delphine; Culioli, Jean M.; Le Loc'H, Francois. |
| Marine protected areas (MPAs) have the potential to enhance the long-term sustainability of coastal resources, and the artisanal fisheries which depend on them. However, recreational fisheries, which are increasing their impacts on coastal resources worldwide, may reduce the benefits that MPAs provide to declining artisanal fisheries. Here we used the Bonifacio Straits Natural Reserve (BSNR) Corsica as a study case to simulate the combined effects on coastal resources of artisanal and recreational fishing efforts. The BSNR ecosystem was modelled using mass-balance modelling of trophic interactions. This model was compared to another built on a non-protected area from the same region. We aggregated fishing fleets into artisanal and recreational categories,... |
| Tipo: Text |
Palavras-chave: Ecopath with Ecosim; Epinephelus marginatus; MPA; Trophic cascades; Artisanal fisheries; Recreational activities; Mediterranean Sea. |
| Ano: 2010 |
URL: https://archimer.ifremer.fr/doc/00013/12436/9246.pdf |
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| Ba, Aliou; Chaboud, Christian; Schmidt, Joern; Diouf, Malick; Fall, Massal; Deme, Moustapha; Brehmer, Patrice. |
| In the early 2000s, Senegal set up several Marine Protected Areas (MPAs) along its coastal zone with the purpose of biodiversity conservation and to support sustainable management of fisheries. However, the impact of MPAs may vary according to the type of fisheries. In Senegal, the sardinella fishery accounts for 70% of total catches. This fishery is of crucial importance for national food security and employment. Given this importance, it is necessary to evaluate the impact of MPAs, often being considered as a tool for fisheries management. An analytical, dynamic and spatial bio-economic model of sardinella fishery, considering fish and fisher migration, has been developed and scenarios over forty years have been analyzed. The results show that the... |
| Tipo: Text |
Palavras-chave: Small scale fisheries; MPA; Bioeconomic modeling; Fishing capacity; Fishery management; Sardinella aurita; Sardinella maderensis; Aichi targets; West Africa. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00605/71672/73087.pdf |
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| Benedetti, Fabio; Jalabert, Laëtitia; Sourisseau, Marc; Becker, Beatriz; Cailliau, Caroline; Desnos, Corinne; Elineau, Amanda; Irisson, Jean-olivier; Lombard, Fabien; Picheral, Marc; Stemmann, Lars; Pouline, Patrick. |
| Marine Protected Areas have become a major tool for the conservation of marine biodiversity and resources. Yet our understanding of their efficacy is often limited because it is measured for a few biological components, typically top predators or species of commercial interest. To achieve conservation targets, marine protected areas can benefit from ecosystem-based approaches. Within such an approach, documenting the variation of plankton indicators and their covariation with climate is crucial as plankton represent the base of the food webs. With this perspective, we sought to document the variations in the emerging properties of the plankton to better understand the dynamics of the pelagic fishes, mammals and seabirds that inhabit the region. For the... |
| Tipo: Text |
Palavras-chave: Iroise Sea; Plankton; MPA; Temporal variability; Community composition; Size structure. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00490/60213/63561.pdf |
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| Registros recuperados: 23 | |
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