Search results
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Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
diferentially counting sex and age categories to assess total population. We present the up to date logistic ... diferentially counting sex and age categories to assess total population. We present the up to date logistic ... year. We hipothesize that large scale fluctuations in physical oceanographic features (like the current ... than last year. We hipothesize that large scale fluctuations in physical oceanographic features (like ...
Meeting Document : WG-EMM-98/17 : Author(s): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
and females did not differ. The age distribution of first-time breeders has shifted progressively towards ... and females did not differ. The age distribution of first-time breeders has shifted progressively towards ... and changes in the proportion of the population that attempts to breed in a given year. We describe changes ... and changes in the proportion of the population that attempts to breed in a given year. We describe changes ...
Meeting Document : WG-FSA-02/16 : Author(s): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS
0.30 and 0.66 chicks per pair per year from 1998/99– 2002/03 and 2003/04–2008/09, respectively ... in 2008/09. The trends are thought to have been influenced by breeding success, which averaged 0.30 ... and 0.66 chicks per pair per year from 1998/99– 2002/03 and 2003/04–2008/09, respectively ...
Meeting Document : WG-EMM-10/P2 : Author(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
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Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands
0.30 and 0.66 chicks per pair per year from 1998/99–2002/03 and 2003/04–2008/09, respectively ... in 2008/09. The trends are thought to have been influenced by breeding success, which averaged 0.30 ... and 0.66 chicks per pair per year from 1998/99–2002/03 and 2003/04–2008/09, respectively ...
Meeting Document : WG-EMM-10/P02 : Author(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
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Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
population. Survival rates of juvenile males and females did not differ. The age distribution of first-time ... population. Survival rates of juvenile males and females did not differ. The age distribution of first-time ... that attempts to breed in a given year. Changes in several demographic parameters that appear to be influenced ... that attempts to breed in a given year. Changes in several demographic parameters that appear to be influenced ...
Meeting Document : WG-EMM-03/11 : Author(s): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
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Fecundity and size at sexual maturity of the bigeye grenadier (Macrourus holotrachys) at South Georgia (CCAMLR Subarea 48.3)
at 20.57cm. The large difference between these values strongly suggests that yolk deposition and final ... than a year. Sex ratios of specimens caught in the longline fishery are highly skewed with females ... at 20.57cm. The large difference between these values strongly suggests that yolk deposition and final ... than a year. Sex ratios of specimens caught in the longline fishery are highly skewed with females ...
Meeting Document : WG-FSA-02/26 : Author(s): T. Mulvey, S.A. Morley, M. Belchier and J. Dickson (United Kingdom)
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The incidence of plastic in the diets of Antarctic seabirds
of plastic was highest among the smaller ones and those that are omnivores, or feed on zooplankton ... was highest among the smaller ones and those that are omnivores, or feed on zooplankton and micronekton ... the winter. Among those species that live south of the Antarctic Convergence year-round there was little ... those species that live south of the Antarctic Convergence year-round there was little evidence ...
Meeting Document : SC-CAMLR-X/BG/18 : Author(s): Delegation of USA
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CEk_v2023 – for krill fisheries
Island albatross D day 16 to day 20 AKW Aphrodita aculeata Sea mouse DBN Diomedea dabbenena Tristan ... Thalassarche bulleri Buller's albatross B day 11 to day 20 ANI Champsocephalus gunnari Mackerel icefish DIC ...
Document : Site Section: Data
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Conservation Measure Conservation Measure 59/XI (1992)
on 6 November 1992; (iii) age frequency and age/length keys for Notothenia squamifrons and any other ... for the entire two year period shall not exceed 1 150 tonnes, which shall be made up of 715 tonnes on Lena Bank ... and 435 tonnes on Ob Bank. 2. The two year period shall be from 6 November 1992 to the end ...
Conservation Measure : 59/XI (1992)
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Conservation Measure Conservation Measure 87/XIII (1994)
also be reported to the Commission; (iv) age frequency, length frequency and age/length keys ... for the entire two year period shall not exceed 1 150 tonnes, which shall be made up of 715 tonnes on Lena Bank ... and 435 tonnes on Ob Bank. 2. The two year period shall be from 5 November 1994 to the end ...
Conservation Measure : 87/XIII (1994)