Résultats de la recherche
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A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
Abstract: We present a quantitative food web of the Ross Sea as a step towards investigating ... ecosystem effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates ... quantitative information on trophic links across all the major biota of the Ross Sea and tests for data ... consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ...
Meeting Document : WG-EMM-09/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea
Abstract: The Adélie penguin (Pygoscelis adeliae) is an indicator species used by the CCAMLR ... ) on the Antarctic marine ecosystem. The goal of this study was to assess annual variation and trends ... in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea. High angle ... oblique aerial photographic surveys of colonies were acquired for the breeding seasons between 1981 and ...
Meeting Document : WG-EMM-13/30 : Auteur(s): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)
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The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17
Abstract: Fishing in the Amundsen Sea region (SSRUs 882C–H) has been managed through a research ... plan since the 2015 fishing season. The aim of the research plan is to collect sufficient information ... to carry out a reliable stock assessment of the toothfish stock in that area. In this report, we ... assess if the research plan is thus far achieving its goals and if the current fishing level is deemed ...
Meeting Document : WG-FSA-17/39 : Auteur(s): S. Parker and S. Mormede
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Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and will submit a revised CM proposal to CCAMLR 2018. This document informs The Workshop on Spatial ... Management (WS-SM-2018) about the following revisions carried out to the WSMPA proposal which would fall ...
Meeting Document : WS-SM-18/08 : Auteur(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... ), by including tag-recapture data for 2005–06 from New Zealand vessels. The updated assessment resulted ... in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ...
Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.
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Geographical variation in the diet of the Antarctic fur seal Arctocephalus gazella
Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... investigated at different localities of the Antarctic Peninsula (Cierva Point and Hope Bay), South Shetland ... (Deception Island and Potter Peninsula) and South Orkney (Laurie Island) islands, by the analysis of 438 ... scats collected from January to March 2000. The composition of the diet was diverse and both, pelagic ...
Meeting Document : WG-EMM-02/10 : Auteur(s): R. Casaux, A. Baroni, F. Arrighetti, A. Ramón and A. Carlini (Argentina)
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
thought to begin to mature, corresponded to 10.6 year for females and 11.4 year for males. On the other ... Abstract: Preliminary studies on the age, growth and size at sexual maturity of Dissostichus ... eleginoides sampled in the 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish ... sampled by Observers were estimated last year. Then, we took several advice and comments about the methods ...
Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea
Abstract: It was carried out the otolith reading of more than 1100 specimens of Micromesistius ... australis, caught in waters of the southern Argentine Sea during the cruises made by the ships Walther ... Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... respectively. For the interpretation of the growth rings, the otoliths were previously subjected to the ...
Meeting Document : SC-CAMLR-V/BG/31 : Auteur(s): Delegation of Argentina
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
Abstract: The indices of exploratory toothfish fishery in the Ross Sea for the period of 2008 ... -2015 are considered. The analysis was focused on CPUE toothfish (kg/1000 hooks), by-catch CPUE (kg/1000 ... hooks) and normalized target catch ratio. There was evidence of distinct differences in the mean (and ... distribution) in the CPUE toothfish and the by-catch CPUE. Our analysis also show that target catch ratios ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Auteur(s): S. Kasatkina
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
Abstract: The South Orkney Islands region is a key location for understanding the distribution of ... Antarctic krill in CCAMLR Area 48. The local krill populations support krill-dependent higher predators and ... krill fisheries, and the regional oceanographic circulation provides connections between the Antarctic ... Peninsula, the South Orkney Islands and the central Scotia Sea and South Georgia. Furthermore, the South ...
Meeting Document : WG-EMM-2019/21 : Auteur(s): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner