Résultats de la recherche
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
krill consumed by Antarctic petrels, and compared this with results from fisheries, as well as from diet ... are to increase in the future, competition with the Antarctic petrel may occur, even with birds ... Abstract: Commercial fisheries may impact marine ecosystems and affect populations of predators ...
Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
polymorphism (h =0.109, π =0.0002) with only eight COI haplotypes in 213 individuals, connected only by 1-3 ... mutational steps. Nonetheless, microsatellites showed much higher variation with allelic richness (AR) values ... clarify this, further study with additional polymorphic markers (such as microsatellites) using more ... Antarctic Marine Living Resources (CCAMLR). Although defining genetic or stock structure of populations is ...
Meeting Document : WG-FSA-2019/36 : Auteur(s): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
of 42.5°W in all water depths surveyed, with fin whales the next most commonly sighted species (53 ... estimated at 20,333 (95% CI 13,988-29,555) with all baleen whales estimated at 27,143 (95% CI 19,998-36,842 ... 7,818-15,178) with all baleen whales estimated at 20,699 (95% CI 16,027-26,732). Fin whale abundance ... consistent with the high recent estimates of abundance and trend from their Brazilian wintering grounds ...
Meeting Document : WG-EMM-2019/27 : Auteur(s): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
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Preliminary assessment of Subarea 48.3 mackerel icefish, Champsocephalus gunnari, based on the January 2013 survey
CCAMLR harvest control rule was then applied to determine catch limits for the 2013/14 and 2014/15 ... 2014/15. Author(s): C. Darby and T. Earl (United Kingdom) Title: Preliminary assessment of Subarea ...
Meeting Document : WG-FSA-13/27 : Auteur(s): C. Darby and T. Earl (United Kingdom)
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HEARD ISLAND AND MCDONALD ISLANDS EXCLUSIVE ECONOMIC ZONE 2009/10 IUU CATCH ESTIMATE FOR PATAGONIAN TOOTHFISH
for Patagonian Toothfish Australia’s Southern Ocean patrol program, combined with its on-the-water ... cooperation with France, continues to prove a significant deterrent to illegal, unreported and unregulated ... observed IUU fishing vessels active in the Convention on the Conservation of Antarctic Marine Living ...
Meeting Document : CCAMLR-XXIX/BG/29 : Auteur(s): Delegation of Australia
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Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference
” in observer data collections. The workshop was held in conjunction with the International Fisheries ... with observer program staff to understand data collection limitations. • Recommend best practices for ... Abstract: To facilitate research and analysis of factors influencing bycatch of marine mammals ...
Meeting Document : WG-FSA-05/45 : Auteur(s): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)
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Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia
research cruise during January/February 1998. A total of 222 cetaceans of 10 species was recorded with ... depth) that had higher mean krill densities compared with areas where whales were recorded. To compare ... potential interspecies competition among krill-feeding marine predators. Author(s): K. Reid, A.S. Brierley ...
Meeting Document : WG-EMM-99/30 : Auteur(s): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
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Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
campaigned for compliance with the MARPOL provisions relating to waste disposal at sea, and for cutting of ... mainly to improved waste disposal practices because it has coincided with substantial reductions in ... . Consequently, the authority responsible for the management of Southern Ocean marine resources (CCAMLR) actively ...
Meeting Document : SC-CAMLR-XV/BG/03 : Auteur(s): Delegation of the United Kingdom
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
environmental conditions. With continued climate warming and high local harvest rates, future observations of ... penguin performance are predicted to be below the long-term average with a probability of 0.77. Catch ... that can help conserve marine predators. Uncertainty about the impacts of fisheries removals on ...
Meeting Document : WG-EMM-2019/11 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Estimation of krill biomass from an acoustic survey carried out in 1986, during a study of predator–prey interactions around the western end of South Georgia
generate sub areas with more even sampling. The results highlight the importance of the shelf slope area ... Abstract: An acoustic survey, designed to study the distribution of shore-breeding, marine ...
Meeting Document : WG-EMM-99/17 : Auteur(s): C. Goss and S. Grant (United Kingdom)