Résultats de la recherche
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Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale
planning already underway in a number of priority areas within the Southern Ocean, this report looks at the ... at a whole of Southern Ocean scale. Such an analysis would provide technical support to planning for ... Marxan. This report offers a proof of concept that systematic conservation planning can be applied at a ... establish meaningful protection for the unique biodiversity of the Southern Ocean. With conservation ...
Meeting Document : WG-EMM-10/34 : Auteur(s): D. Beaver, R. Nicoll, G. Llewellyn, P. Harkness, C. Hellyer and J. Turner (ASOC-WWF)
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
(Pygoscelis antarctica) and Antarctic fur seals (Arctocephalus gazella) at Seal Island. Advantages of foraging ... , 5) larger krill size and 6) occurrence of energy-rich bioluminescing myctophid fish at night ... of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island Approval: Approved ... Abstract: Variables of prey availability between inshore and slope/offshore foraging areas were ...
Meeting Document : WG-EMM-97/28 : Auteur(s): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands
observed at two localities of South Shetland Islands Approval: Approved ... Abstract: A declining trend observed in the abundance of fjord fish of the species Notothenia ... rossii marmorata and Notothenia gibberifrons from two localities of South Shetland Islands, is analyzed ... nets at Potter Cove, King George/25 de Mayo I., from 1983 to 1990 and in waters around Half-Moon I ...
Meeting Document : WG-FSA-90/14 : Auteur(s): E. Barrera-Oro and E. Marschoff (Argentina)
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An initial analysis of the characteristics of Antarctic krill taken by the commercial fishery and Antarctic fur seals during the winters of 2002 and 2003 at South Georgia
-frequency distribution of krill at South Georgia during the winter of 2002 and 2003 and compare these with ... seals the fishery appeared to operate at greater depth suggesting a possible depth change of krill ... during the winters of 2002 and 2003 at South Georgia Approval: Approved ... Abstract: We present an initial analysis of the fishing locations, fishing depth and length ...
Meeting Document : WG-EMM-04/62 : Auteur(s): K. Reid, D.J. Agnew, N.L. Warren and E. Owen (United Kingdom)
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Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
at small spatial scales. We present an example during the early Austral summer of 2015/2016, when sea ... management of the Antarctic krill fishery at small spatial scales in the context of regional climate ... changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... were such, that gentoo reproductive performance was lower than average, and at some locations ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Auteur(s): Delegation of the United Kingdom
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INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS
EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS ... Abstract: Catch-at-age proportions are generally incorporated into an integrated assessment as ... accounts for both the variation associated with sub-sampling of the random length frequency (LF) sample for ... ageing, and random reader error when ageing fish. The catch-at-age ESS is estimated by dividing the ESS ...
Meeting Document : WG-SAM-09/08 : Auteur(s): S.G. Candy (Australia)
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Importance of myctophid fish distributions for formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island Approval: Approved ... Abstract: Shipboard tracking study of breeding chinstrap penguins (Pygoscelis antarctica) and ... Antarctic fur seals (Arctocephalus gazella) at Seal Island were conducted to identify and evaluate their ... occurred on the shelf north of Seal Island. However, all predators except diurnal foraging penguins went ...
Meeting Document : WG-EMM-95/87 : Auteur(s): Bengtson, J.L., Kawaguchi, S., Jansen, J.K., Takao, T., Meyer, W.R., Baba, N., Hiruki, L.M., Boveng, P., Cameron, M.F., Ogishima, T., Ichii, T., Naganobu, M.
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Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed cylinder model and inference of orientation distribution
analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed ... -24(1990)] are examined in the light of a recent zooplankton scattering model where the ... elongatedanimals are modeled as deformed finite cylinders [J. Acoust. Soc. Am. 86, 691-705 (1989)].Exercise of the ... model under assumption of an orientation distribution allows absolutepredictions of target strength to ...
Meeting Document : WG-KRILL-93/06 : Auteur(s): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
younger age classes in terms of the accuracy of integrated assessments that employ catch-at-age ... LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS Approval: Approved ... Abstract: Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... ) of fish in the catch, determining the ages in the sample, and calculating proportions in each age ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Auteur(s): S.G. Candy (Australia)
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Report of the CCAMLR Observer at the 2nd Meeting of the Commission for the Conservation of Bluefin Tuna
Author(s): CCAMLR Observer (Australia) Title: Report of the CCAMLR Observer at the 2nd Meeting ... of the Commission for the Conservation of Bluefin Tuna Approval: Approved ...
Meeting Document : CCAMLR-XIV/BG/29 : Auteur(s): CCAMLR Observer (Australia)