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Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001
and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ... Abstract: Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... density of 15.32 g/m2 and a standing stock (B0) of 1.7 million tonnes were estimated for the entire area ... ). The biomass density presented here is also higher than the long-term running mean from net samples for ...
Meeting Document : WG-EMM-02/30 : Автор(ы): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
the world, concern was raised as to the effect an experimental Hake longline fishery would have on ... responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ... impaired. Author(s): Barnes, K. Title: The effects of an experimental hake Merluccius capensis/paradoxus ...
Meeting Document : WG-FSA-95/21 : Автор(ы): Barnes, K.
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
density estimates for the RMT 8 oblique (0 to 200m depth) trawls conducted during January-March 1996 as ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... , excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ... krill from an acoustic survey with that obtained by scientific nets on the same survey Approval ...
Meeting Document : WG-EMM-97/43 : Автор(ы): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)
Abstract: This paper presents an assessment of the harvested population of Patagonian toothfish ... (the "selectivity model") attempts to account for apparent decreasing availability with ... length. It assumes a maximum age or length above which a fish is no longer available to the gear. Each ... age. Once this time has elapsed, the fish is removed from the analysis. The base-case model estimated ...
Meeting Document : WG-FSA-00/43 : Автор(ы): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)
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Demersal fishing interactions with marine benthos in the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears
shelf • An assessment of the vulnerability of benthic habitats to impact by demersal gears in the Sub ... -Antarctic and high latitudes of the Southern Ocean • Recommendations for practical mitigation strategies to ... trawl on longline gear, and the footage captured indicates there is great potential for such systems to ... ): Delegation of Australia Title: Demersal fishing interactions with marine benthos in the Southern Ocean: an ...
Meeting Document : SC-CAMLR-XXVI/BG/30 : Автор(ы): Delegation of Australia
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An acoustic estimation of krill densities to the north of South Georgia in January 1994
densities in both regions were extremely low in comparison with previously published density estimates, and ... provide further evidence of an extreme krill paucity around South Georgia in the 1993/4 season. Author(s ... ): Watkins, J.L., Brierley, A.S. Title: An acoustic estimation of krill densities to the north of South ...
Meeting Document : WG-EMM-95/74 : Автор(ы): Watkins, J.L., Brierley, A.S.
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An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account
available over the past year. This leads to an improved picture of resource status compared to a year ... Abstract: The CPUE-based Age-Structured Production Model (ASPM) assessment of this resource by ... are at variance with the observed length frequency distributions for the fishery. It is important that ... important consequences for the assessments of other populations of toothfish in the CCAMLR region. Author(s ...
Meeting Document : WG-FSA-02/76 : Автор(ы): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)
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Emperor penguins – vulnerable to projected rates of warming and sea-ice loss; an international collaboration to inform species-related conservation decision-making and conservation planning
Abstract: An international group of scientists, from the United Kingdom, Australia, Finland ... data and having experience of working with emperor penguins have formed an international collaboration ... to review the dependence and vulnerability of emperor penguins to ongoing and projected climate ... implications for species-related conservation decision-making and conservation planning. Author(s ...
Meeting Document : SC-CAMLR-38/BG/10 : Автор(ы): Delegations of the United Kingdom, Australia, France, Germany, SCAR and ASOC
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An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea
-effort of scientific fishing for toothfish in McMurdo Sound, we suggest and review evidence that the ... , Antarctic ecosystem; the type-C is referred to as “Ross Sea [RS] killer whale”. Herein, we review data on ... large Antarctic toothfish (Dissostichus mawsoni), as the review herein demonstrates. On the basis of sea ... very abundant penguin, seal and whale components, loss of the toothfish option for Ross Sea killer ...
Meeting Document : WG-EMM-09/P01 : Автор(ы): D.G. Ainley, G. Ballard and S. Olmastroni
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
Abstract: The history of the fishery for Patagonian toothfish in the Prince Edward Islands EEZ is ... trend. Application of a simple age-structured production model provides robust indication that the ... suggest that the annual TAC should be reduced to at most about 400 tonnes. Implications for surveillance ... ) Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource ...
Meeting Document : WG-FSA-01/54 : Автор(ы): A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa)
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