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Are we ready to track climate‐driven shifts in marine species across international boundaries? ‐ A global survey of scientific bottom trawl data 5
Maureaud, Aurore; Frelat, Romain; Pécuchet, Laurène; Shackell, Nancy; Mérigot, Bastien; Pinsky, Malin L.; Amador, Kofi; Anderson, Sean C.; Arkhipkin, Alexander; Auber, Arnaud; Barri, Iça; Bell, Richard J.; Belmaker, Jonathan; Beukhof, Esther; Camara, Mohamed L.; Guevara‐carrasco, Renato; Choi, Junghwa; Christensen, Helle T.; Conner, Jason; Cubillos, Luis A.; Diadhiou, Hamet D.; Edelist, Dori; Emblemsvåg, Margrete; Ernst, Billy; Fairweather, Tracey P.; Fock, Heino O.; Friedland, Kevin D.; Garcia, Camilo B; Gascuel, Didier; Gislason, Henrik; Goren, Menachem; Guitton, Jérôme; Jouffre, Didier; Hattab, Tarek; Hidalgo, Manuel; Kathena, Johannes N.; Knuckey, Ian; Kidé, Saïkou O.; Koen‐alonso, Mariano; Koopman, Matt; Kulik, Vladimir; León, Jacqueline P; Levitt‐barmats, Ya’arit; Lindegren, Martin; Llope, Marcos; Massiot‐granier, Félix; Masski, Hicham; Mclean, Matthew; Meissa, Beyah; Mérillet, Laurene; Mihneva, Vesselina; Nunoo, Francis K. E.; O'Driscoll, Richard; O'Leary, Cecilia A.; Petrova, Elitsa; Ramos, Jorge E.; Refes, Wahid; Román‐marcote, Esther; Siegstad, Helle; Sobrino, Ignacio; Sólmundsson, Jón; Sonin, Oren; Spies, Ingrid; Steingrund, Petur; Stephenson, Fabrice; Stern, Nir; Tserkova, Feriha; Tserpes, Georges; Tzanatos, Evangelos; Rijn, Itai; Zwieten, Paul A. M.; Vasilakopoulos, Paraskevas; Yepsen, Daniela V.; Ziegler, Philippe; Thorson, James.
Marine biota are redistributing at a rapid pace in response to climate change and shifting seascapes. While changes in fish populations and community structure threaten the sustainability of fisheries, our capacity to adapt by tracking and projecting marine species remains a challenge due to data discontinuities in biological observations, lack of data availability, and mismatch between data and real species distributions. To assess the extent of this challenge, we review the global status and accessibility of ongoing scientific bottom trawl surveys. In total, we gathered metadata for 283,925 samples from 95 surveys conducted regularly from 2001 to 2019. We identified that 59% of the metadata collected are not publicly available, highlighting that the...
Tipo: Text Palavras-chave: Bottom trawl survey; Climate change; Demersal fish; Fisheries policy; Global data synthesis; Open science; Species distribution; Transboundary conservation.
Ano: 2021 URL: https://archimer.ifremer.fr/doc/00658/76971/78197.pdf
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Long-term fishing impact on the Senegalese coastal demersal resources: diagnosing from stock assessment models 5
Ba, Kamarel; Thiaw, Modou; Fall, Massal; Thiam, Ndiaga; Meissa, Beyah; Jouffre, Didier; Thiaw, Omar Thiom; Gascuel, Didier.
For the first time in Senegal, assessments based on both stochastic and deterministic production models were used to draw a global diagnosis of the fishing impact on coastal demersal stocks. Based one national fisheries databases and scientific trawl surveys data: (i) trends in landings since 1971 were examined, (ii) abundance indices of 10 stocks were estimated using linear models fitted to surveys data and commercial catch per unit efforts, and (iii) stock assessments were carried out using pseudo-equilibrium Fox and Pella-Tomlinson models and a Biomass dynamic production model fitted in a Bayesian framework to abundance indices. Most stocks have seen their abundance sharply declining over time. All stocks combined, results of stock assessments suggest a...
Tipo: Text Palavras-chave: Coastal demersal species; Delta-GLM models; Surplus production models; Bayesian approach; Overexploitation; West Africa.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00626/73792/74929.pdf
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