Résultats de la recherche
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SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
the impetus for work in the Scientific Committee on the effects of climate change, in order to provide ... conserve AMLR because the Reference State had changed; Requirements for adapting harvest strategies in the ... framework for identifying when climate change impacts may need attention from the Commission, along with ... Antarctica Peninsula uncovered by ice shelf collapse. It was also noted that SC-CAMLR does not yet have an ...
Meeting Document : WG-EMM-16/71 : Auteur(s): A. Constable
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
, South Georgia. The body composition of pups differed between the sexes; whereas for any given age ... between the sexes in any year. Both per-bout and per-day milk consumption increased steadily with age ... before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ... greater adipose stores. Therefore, mass and mass changes may not be appropriate parameters for ...
Meeting Document : WG-EMM-97/11 : Auteur(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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Results of research into distribution and status of stocks of target species in the Convention Area – Atlantic, Indian and Pacific Ocean sectors of the Antarctic
Atlantic Sector, the Indian Sector and the Pacific Sector. For each particular sector the review contains ... , modal length and weight, growth patterns, length and age at maturity, sex ratio, period of spawning ... , fecundity, food habits, natural mortality as well as optimum fishing parameters including optimum age ...
Meeting Document : SC-CAMLR-III/INF. 10 : Auteur(s): USSR Delegation
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ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON
Abstract: A survey was conducted in order to collect information for the stock status and various ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in ... for Phase 1 and Phase 2, respectively. Mean CPUE of toothfish in weight by SSRU ranged from 64.0 to ... 80.7 kg / 1,000 hooks and from 120.8 to 308.6 kg / 1,000 hooks for Phase 1 and Phase 2, respectively ...
Meeting Document : WG-SAM-09/10 : Auteur(s): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)
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First Annual Report of the CCAMLR Otolith Network, 2002
agreement in age estimations between all three readers, with no evidence of biases >2 years that would ... the CCAMLR Otolith Network (CON), following the Workshop on Estimating Age in Patagonian Toothfish ... held at the Centre for Quantitative Fisheries Ecology (CQFE), Old Dominion University, United States ... exchanges should 1) define better how these differences in interpretation may affect age estimates, and 2 ...
Meeting Document : WG-FSA-02/51
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Spatial distribution of foraging by female Antarctic fur seals
Abstract: The study tested the hypothesis that the distribution of critical habitat for foraging ... gradients in the oceans and also by the need to avoid local competition for food. It also tested the ... within 100 km of the location at which the offspring was being raised. When this constraint was removed ... years when there were different amounts of prey available. Females were constrained to forage mainly ...
Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997
Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... estimated value was 20 to 380 ind./t. The present by-catch data did not provide clear relationship between ...
Meeting Document : WG-EMM-97/72 : Auteur(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.
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Variability of krill stock composition and distribution in the vicinity of Elephant Island during AMLR investigations 1988-1992
recruitment from the 1989/90 and 1990/91 year classes. Year class success may be related to the abundance of ... distributional patterns during each year indicate that the older age classes were associated with oceanic/Drake ... five year period indicates strong recruitment from the 1987/88 and 1990/91 year classes and poor ... Passage waters while younger classes were associated with water masses to the south. Between-year ...
Meeting Document : WG-KRILL-92/12 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)
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Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region
collected for two fishing seasons, with 4 728 longline segments observed. Several regions with consistent ... evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... indicate that several VME taxa are detected between 60% and 80% of the time when present, and that ... varies among four benthic bioregions developed for the Ross Sea. Together, the data show that vulnerable ...
Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... prey) will vary between different life history stages at different times of the year in different areas ... observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ... region suggest that toothfish are a significant prey item for Weddell seals. • In contrast, research ...
Meeting Document : WG-EMM-08/43 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)