Résultats de la recherche
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Relative abundance of large whales around South Georgia
whaling in 1965, we report three independent sighting databases: a cruise in 1997, observations from Bird ... photographed off South Georgia matched animals known from Peninsula Valdes, Argentina, a population known to be ... growing at 7% per annum. In contrast, blue and fin whales appear to be less abundant. A single blue whale ...
Meeting Document : WG-EMM-99/34 : Auteur(s): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)
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Increase in relative abundance of fjord Notothenia rossii in Potter Cover, South Shetland Islands, after the decrease associated with commercial fishing in the area
Abstract: A monitoring program of demersal fish in inshore sites of the South Shetland Islands ... has continued in Potter Cove from 1991 to 1999, covering a continuous sampling period of sixteen years ... non commercially fished Notothenia coriiceps, which was already reported for the period 1983-1990 in a ...
Meeting Document : WG-FSA-99/30 : Auteur(s): E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
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The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean
correlated with their relative abundance around the islands derived from fishery bycatch data, suggesting a ... carnivores and finds that D. mawsoni and D. eleginoides occupy a similar trophic niche and are likely to ... feeding behaviour, which may reflect the increased metabolic demands of a cold water-adapted physiology ...
Meeting Document : WG-FSA-11/P03 : Auteur(s): J. Roberts, J. Xavier and D. J. Agnew
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
predators that feed upon krill. 2. Our data were collected in February 1986, during a systematic shipboard ... using strip transects, and krill abundance was simultaneously estimated using a hull-mounted echosounder ... seals were distributed in a strikingly non-random fashion at sea near South Georgia; their ...
Meeting Document : WG-CEMP-93/13 : Auteur(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Analysis of marine debris found at Cape Shirreff, Livingston Island, South Shetlands, Antarctica
South Atlantic, and it is estimated that a considerable amount of marine debris remains adrift in the ... nesting at Cape Shirreff. It is recommended that Parties to the Antarctic System Treaty, a) take action to ... b) to establish a monitoring network around Antarctica and its islands, to assess whether this ...
Meeting Document : SC-CAMLR-XI/BG/07 : Auteur(s): Delegation of Chile
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Oceanic condition and zooplankton distribution/ abundance in Bransfield Strait during austral summer 1989/1990
to hydrographic condition, a total of 29 sampling stations was occupied for the CTD casts and ... plankton towings in a systematic grid from December 29, 1989 to January 7, 1990. Comparisons of temperature ... . Bellingshausen Sea water enters near Low Island, then, mainly flows toward Deception Island. A total of 39 taxa ...
Meeting Document : WG-KRILL-91/14 : Auteur(s): S.M. Kim and M.S. Suk (Korea)
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... randomly distributed, judged by a Chi-square test based on expected Poisson statistics. The distribution of ... the region. On the 5 non-random days, aggregations were smaller than average and were clustered on a ...
Meeting Document : WS-KCPUE-89/11 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
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Antarctic ecosystem management
Abstract: This document describes a framework within which an initial strategy could be developed ... action that is regarded as practicable. The research includes (a) identifying those components (species ... . With regard to interim management action, it is recommended that (a) management areas should be ...
Meeting Document : WG-DCH-84/03 : Auteur(s): D.S. Butterworth (South Africa)
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Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management
biological stocks with limited mixing, especially at adult stages: a Ross Sea Region stock and an Amundsen ... margin in the Bellingshausen Sea (SSRUs 88.3A–D), SSRUs 88.2C–G, and a spawning region in the seamount ... portions of the Bellingshausen Sea (SSRUs 88.3A-D) and juveniles in SSRUs 88.2C–G is a priority. Author(s ...
Meeting Document : WG-SAM-14/26 : Auteur(s): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)
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Korean research plan for Dissostichus spp. in Subarea 88.3 in 2015/16
Abstract: The subarea 88.3 is a large area contained from 105°W to 70°W where has been closed to ... directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... results in an assessment of a stock in 3-4 years time (SC-CAMLR XXVIII, paragraphs 4.165). Author(s ...
Meeting Document : WG-SAM-15/09 : Auteur(s): Delegation of the Republic of Korea