Résultats de la recherche
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
analysis of otoliths from small specimens greatly increased confidence in the interpretation of the zone ... structure displayed in the early growth rings. The findings supported the interpretation protocols used in ...
Meeting Document : WG-FSA-05/20 : Auteur(s): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)
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Seabird abundance and by-catch on Brazilian longline fishing fleet
and abundant species all around the year. Other species with significant numbers found in both warm ... (Puffinus gravis). Abundant species in winter were Black-browed Albatross (Thalassarche melanophris), White ... , Yellow-nosed Albatross, and Spectacled Petrel. Strong overlap between longline fishery and seabirds in ...
Meeting Document : WG-FSA-05/67 : Auteur(s): T.S. Neves, L. Bugoni, D.S. Monteiro, L. Nascimento and F. Peppes (Brazil)
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Modelling availability bias using existing time series count data: Adélie penguins as a case study
sites in Antarctica during the breeding season are influenced by the date at which they are undertaken ... the availability fraction at times other than the date of last egg lay. Differences in the ... in the availability fraction is much higher prior to late November and after early January than ...
Meeting Document : WG-EMM-04/54 : Auteur(s): L. Emmerson, B. Raymond and C. Southwell (Australia)
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Age-at-length of Patagonian toothfish from South Georgia
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish (Dissostichus eleginoides) captured in the longline fishery. We used a thin section grinding ... fisheries survey in 2000, estimates of the Von Bertalanffy parameters were L8 = 123.8, K = 0.10 and t0 =-2.1 ...
Meeting Document : WG-FSA-02/75 : Auteur(s): J. Ashford, M. Belchier, C. Jones and S. Bobko
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ASOC evaluation of the CDS
Abstract: The trade in IUU toothfish continues two years after the adoption by CCAMLR of a Catch ... track the trade in toothfish, gather scientific data on the fishery, and close ports to IUU fish. ASOC ... must take action at its 20th meeting to verify the information in Catch Documents by VMS and ...
Meeting Document : CCAMLR-XX/BG/20 : Auteur(s): Submitted by ASOC
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A risk management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
Abstract: CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant ... then analysed and evaluated using standard techniques. Different types of evidence of VMEs in the ... CCAMLR Area are used in the risk analysis. Risk mitigation can then be used to reduce risk to acceptable ...
Meeting Document : WG-EMM-08/37 : Auteur(s): K. Martin-Smith (Australia)
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INITIATIVE TO EXTEND THE BOUNDARY OF THE INTERNATIONAL MARITIME ORGANIZATION’S ANTARCTIC SPECIAL AREA NORTHWARD TO THE ANTARCTIC CONVERGENCE
(garbage). Recognizing CCAMLR’s and the Antarctic Treaty’s respective interests in protecting the marine ... Parties in enhancing environmental protection for the entire Antarctic marine ecosystem and directing the ... particularly helpful in deliberations on whether to recommend that further steps be taken at the IMO. Author(s ...
Meeting Document : CCAMLR-XXVIII/32 : Auteur(s): Delegation of the USA
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
in daylight hours. Several species of seabirds present must have originated from South Georgia ... populations; however wandering and gray-headed albatrosses, whose populations arc in serious decline at South ... Georgia were rare; their vulnerability to long- lining operations in the South Sandwich Islands is ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Auteur(s): Delegations of United Kingdom and Chile
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How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?
the present and future population sizes of the Antarctic toothfish (Dissostichus mawsoni Norman) in ... % reduction in biomass relative to unexploited biomass may easily fail to prevent a much larger reduction from ... the likely effects of food web responses to harvesting of toothfish in the Ross Sea, or to predict the ...
Meeting Document : WG-FSA-13/P02 : Auteur(s): P.A. Abrams
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Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods
to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... from the target-group background approach resulted in the most accurate predictions, but predictions ... needed to be constrained within an appropriate bathymetric range via post-processing. This resulted in an ...
Meeting Document : WG-FSA-15/64 : Auteur(s): CCAMLR Secretariat