Résultats de la recherche
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... -age and tag-recapture data from selected trips and all vessel trips. The 2011 reference case model ... resulted in a 30% higher estimate of initial biomass than for the 2009 base case. The main reason for this ...
Meeting Document : WG-FSA-11/44 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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DEVELOPMENT AND IMPLEMENTATION OF AN ACCREDITATION FRAMEWORK FOR PARTICIPATION IN THE CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIFC OBSERVATION
Abstract: When establishing the ad-hoc Technical Group for At-Sea Operations (TASO), the ... Scientific Committee tasked it with the development of minimum standards to facilitate accreditation of ... observer programs participating in the CCAMLR SISO. At its 2009 meeting, TASO requested that the TASO co ... -conveners outline the elements of an accreditation framework, and a workplan for it implementation, for ...
Meeting Document : SC-CAMLR-XXVIII/BG/09 : Auteur(s): Co-conveners of the ad hoc Technical Group for At-
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PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN
to climate change, which disrupts penguin life history strategies when it alters the weather ... , oceanography and critical habitats. For example, in the southwest Atlantic, the distributional range of the ice ... -obligate emperor and Ade´lie penguins has shifted poleward and contracted, while the ice-intolerant gentoo ... and chinstrap penguins have expanded their range southward. In the Southern Ocean, the El Niño ...
Meeting Document : WG-EMM-09/P09 : Auteur(s): J. Forcada and P.N. Trathan
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Growth of krill around the South Orkney Islands in 1989/90
Abstract: On the ground of materials collected by biologists-observers from October 1989 to June ... 1990 near the South Orkney Islands the growth of males and females are characterized according to size ... groups, distinguished using the probability paper. Seven size groups both for males and females were ... distiguished. The growth period for the males continued from October to April, and from October to February for ...
Meeting Document : WG-EMM-95/05 : Auteur(s): Latogursky, V.I.
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... regulatory mechanisms (e.g. a catch control law) that depends on the results of the assessment. Developing ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ... . Suggestions are made under each of these headings. Assessment of resource status is provided by the CPUE " ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa
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Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010
Abstract: In January 2010, the UK carried out the annual groundfish survey in CCAMLR Sub-Area ... 48.3 on the FV Sil. Seventy-five random hauls were completed with good coverage across the shelf ... , representing an increase in effort overall compared with surveys carried out in 2008 and 2009 on the same ... dominated the population, 2+ and 1+ sized fish were also present, and in larger proportions than in 2009. A ...
Meeting Document : WG-FSA-10/38 : Auteur(s): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)
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Analysis of maturity of Antarctic toothfish in the Amundsen Sea
Abstract: The results of the comparative histological analysis of the Antarctic toothfish ... (Dissostichus mawsoni) reproductive system, caught by the longliner in the Amundsen Sea in February 2006 and ... 2007 are presented. The morphological parameters, indices of gonads, condition by Fulton and ... cytological parameters of oocytes have been described. Antarctic toothfish ovaries reached mainly the late III ...
Meeting Document : WG-FSA-10/50 : Auteur(s): S.V. Piyanova and A.F. Petrov (Russia)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... investigate a range of simple scenarios for simulating the effect and management of benthic impacts from ... , and spatial scale, with and without management by areal closures. Further, the management action ... spatially explicit production models can provide a useful tool for the investigation of impacts of fishing ...
Meeting Document : WG-SAM-10/19 : Auteur(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Preliminary plan for research and monitoring in the Ross Sea region, in association with spatial marine protection
accompany a proposal to CCAMLR for the establishment of a system of MPAs in the Ross Sea region in 2012. The ... distribution or ‘target area’ defining the geographic extent of the feature (e.g. key ecosystem processes ... objectives and priority features. Pursuant of each specific objective we identify the following categories ... of inquiry: i) research and monitoring to ensure that the boundaries of the priority feature as ...
Meeting Document : WG-EMM-12/57 : Auteur(s): M.H. Pinkerton and B. Sharp (New Zealand)
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
Abstract: I revised the CASAL catch-at-length models for stock status assessments of Dissostichus ... eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... ) instead of separated value for each year, 2)I calculated effective sample size for the proportions-at ... expected proportions, 3)I changed the tagging mortality rate estimate of 0.1 instead of 0.2 because ...
Meeting Document : WG-FSA-13/35 : Auteur(s): K. Taki (Japan)