Résultats de la recherche
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
to South Georgia covers all possible areas of fishing for toothfish in Subarea 48.3. The method uses ... obtained in the early licensed fishery (1997) when few vessels used mitigation measures. For each of 10,000 ... statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3 ... extension to other regions of the Antarctic. 2. Of the sources of information on IUU fishing, Fishery ...
Meeting Document : WG-FSA-02/4 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... was established that in the period of fishing, females and males with gonads at maturity stage III ... in the Ross Sea the termination of gonad maturity of toothfish takes place from March to April, and ... . Piyanova and A.F. Petrov (Russia) Title: Preliminary review of Antarctic toothfish maturity in the Ross ...
Meeting Document : WG-FSA-11/27 : Auteur(s): S.V. Piyanova and A.F. Petrov (Russia)
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
fishing grounds of deep water (mainly > 800 m) off Terra Nova Bay, Ross Island, and in the south of ... the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery ... to the 2007/08 fishing year. It focuses in particular on Antarctic toothfish catches taken from the ... continental shelf of the Ross Sea itself, because this is the area where any ecosystem effects related to ...
Meeting Document : WG-EMM-09/40 : Auteur(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Pursuit of polynyas in the Antarctic peninsula area
influence biological activity. We pursued daily transition of coastal polynyas in the Antarctic Peninsula ... observations. A typical polynya existed off the tip of the Peninsula in 1987 and 1991. In the such years, sea ... ., Naganobu, M., Okada, Y. Title: Pursuit of polynyas in the Antarctic peninsula area Approval: Approved ... area from 1978 through 1995 using images of sea ice concentrations by the satellite microwave ...
Meeting Document : WG-EMM-97/69 : Auteur(s): Kimura, N., Shibazaki, K., Matsumura, S., Naganobu, M., Okada, Y.
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Results of the mark–recapture experiment in Subarea 48.3, 2005
– distributed over the whole of the fishable grounds in 48.3 this year. The Petersen mark-recapture estimator ... selectivity functions are more peaked than the Kirkwood shallow selectivity used in 2004. Estimates of ... sustainable yield, made adjusting mean recruitment in GYM so that BV2005 corresponded to the current estimates ... Abstract: The mark-recapture experiment continued at South Georgia in 2005. In total some 8000 ...
Meeting Document : WG-FSA-05/17 : Auteur(s): D.J. Agnew and A. Payne (United Kingdom)
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of relative mortality and tag-detection rates
CCAMLR of a number of toothfish fisheries in Antarctica, but the evaluation of tagging performance has ... detection rate of recaptured fish. This method was applied to the tagging data in CCAMLR Subareas 88.1 and ... 88.2. Results show that the indices developed can provide evidence of significant differences in ... indices are robust to the choice of the control group and the area included in the analysis, as well as ...
Meeting Document : WG-FSA-12/47 Rev. 1 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... provide a method to quantify the effect of sea-ice on fishing. We discuss the ways in which ice effects ... : Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1 Approval: Approved ... fisheries research and management. Using the toothfish fishery in CCAMLR Subarea 88.1 as a case study we ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Auteur(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
at Bird Island and Signy Island, but have declined. The number of debris items found had increased in ... packaging materials and wood. The level of marine debris found in grey-headed albatross, black-browed ... Abstract: The current status of national surveys on monitoring of marine debris and their impact ... on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ...
Meeting Document : SC-CAMLR-XXV/BG/09 : Auteur(s): Secretariat
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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 ... of Antarctic toothfish in McMurdo Sound to consumption by Weddell seals. The estimates, although ... proportion of the diet of seals in McMurdo Sound between October and January. We conclude that while there is ...
Meeting Document : WG-EMM-08/43 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
trawl. As applied to the estimate of trawl catchability in the krill fishery, this method is reliable ... fishing trawls in order to illustrate the closeness of the two methods. The estimates of the krill biomass ... integrating apparatus are also compared. Theoretical bases of the calculation methods used are stated in a ... Abstract: The paper contains a description of the statistical method used for assessment of the ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Auteur(s): USSR