Resultados de la búsqueda
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Age validation of Patagonian toothfish (Dissostichus eleginoides) from Heard and Macquarie Islands
Strontium Chloride (SrCl2) on release. One hundred and forty two of these strontium marked fish were ... recapture, we determined that for age classes 5 to 18, one increment is laid down per year. The expected ... may result in variability from the absolute age, reliable estimates can still be produced. Author(s ... Abstract: Patagonian toothfish, (Dissostichus eleginoides) have traditionally been aged by ...
Meeting Document : WG-FSA-05/60 : Autor(es): K. Krusic-Golub and R. Williams (Australia)
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A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples
inaccurate, providing that the animal may be staged. Author(s): H.J. Hill (United Kingdom) Title: A new ...
Meeting Document : WG-CEMP-90/40 : Autor(es): H.J. Hill (United Kingdom)
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Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)
crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... that may not be met. These methods have been largely neglected by fishery scientists; however, they ... seem to be ideally suited for studies of many populations of large crustaceans. Author(s): X. Xu, E.G ...
Meeting Document : WS-CRAB-93/10 : Autor(es): X. Xu, E.G. Dawe and J.M. Hoenig (USA)
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Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
slope area outside the MPA and south of 70°S. The median and 90 th percentile scaled length ... recaptured in 2018 was similar to that recaptured in previous years, with some fish recaptured after 14 years ... 2018 season. Despite 2018 being the first year of implementation of the Ross Sea region Marine ... at liberty. Author(s): S. Mormede and S. Parker Title: Summary of the toothfish fishery and tagging ...
Meeting Document : WG-FSA-18/46 : Autor(es): S. Mormede and S. Parker
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Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula
/Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ... consecutive years. We also compare data from the krill fishery to describe Adélie penguin foraging areas with ... colony and in the northern Bransfield Strait/Mar de la Flota in both years. During the pre-moulting ... period, Adélie penguins dispersed away from the colony and foraged further to the east in the northern ...
Meeting Document : WG-EMM-14/42 : Autor(es): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)
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Progress report on the scientific data compilation and analyses in support of the planning of a potential Marine Protected Area (MPA) east of the zero meridian in the Weddell Sea (Antarctica)
modelling approaches and the project timeline (milestones and deliverables) to July 2020. Author(s): G ... Abstract: In recent years, CCAMLR Member States have undertaken substantial efforts to designate ... resources and marine biodiversity. During the Commission meeting of 2018, a proposal was made by Norway on ... of Domain 4 for submission to the Commission in 3 to 4 years. Work on this project commenced with an ...
Meeting Document : SC-CAMLR-38/BG/14 : Autor(es): G. Griffith, T. Hatterman, A. Høgestøl, Y. Kasajima, A. Lowther, S. Moreau, B. Njaastad, P. Koubbi, C. von Quillfeldt, T. Brey, K. Teschke and O.A. Bergstad
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Longline fishing at Tristan da Cunha: impacts on seabirds
important seabird populations. Two longline fisheries occur within Tristan's Exclusive Economic Zone: a ... of observers on board. The gravest threat posed by longline fishing to Tristan's seabirds comes ... not use basic mitigation measures. There is a pressing need for better policing of Tristan's ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ...
Meeting Document : WG-FSA-01/15 : Autor(es): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)
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ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3
one season, and have been present on board for about 30% of the fishing season. They have achieved a ... efficient sampling proportion, at least for 48.3, should be >50% of vessels sampled each season, 20% of ... strategies should be pursued for at least 4 years before the Scientific Committee will have sufficient data ... to determine appropriate sampling strategies. Author(s): D.J. Agnew, P. Grove, T. Peatman, R. Burns ...
Meeting Document : WG-EMM-09/25 : Autor(es): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)
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CDS Implementation and Data Analysis
the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... and one NCP cooperating with CCAMLR by participating in the CDS, and one NCP with limited access to ... the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... landings and exports and greatest quantity of exports (4 644 tonnes and 2 539 tonnes). For both years ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Autor(es): CCAMLR Secretariat
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A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
(Euphausia superba) between 1997 and present. Over the last five years proportional recruitment as been ... extremely low, and the population has aged, suggesting there has been little recruitment since 2000-2001 ... compared. Biomass estimates from the two algorithms are highly correlated (>0.95), with identical CV’s ... krill target strength model has been developed. Author(s): C.S. Reiss and A.M. Cossio (USA) Title: A ...
Meeting Document : WG-EMM-06/32 : Autor(es): C.S. Reiss and A.M. Cossio (USA)