Résultats de la recherche
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Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?
age with depth, is suggested as an indicator that a dome selection pattern is unlikely in the 48.3 ... assessment and management advice provided for CCAMLR toothfish stocks. Toothfish migrate towards deeper ... waters as they age and increase in size and, in combination with the practical difficulties associated ... with deploying fishing gear at increasing depths, there is the potential for a dome shaped selection ...
Meeting Document : WG-SAM-15/29 : Auteur(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)
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Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b
, Annex12), biological parameters (length-weight relationship, growth curve, Age Length Key, and maturity ... ogice) of Dissostichus eleginoides for Division 58.4.4b were updated based on the data gathered up to ... to conduct an exploration of the impact of different scenarios of depredation and IUU in order to ... estimation of IUU catch” and “1.5 Update CASAL model” (SC-CAMLR-37 Report, Annex12). A single-sex age ...
Meeting Document : WG-SAM-2019/30 : Auteur(s): T. Okuda and F. Massiot-Granier
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Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
Abstract: More than 30 expeditions have surveyed the Kerguelen Plateau over the last 80 years ... biological diversity. The richest cruises for the quantity of benthos collected are MD03 and MD04 (1974 and ... adults (Koubbi et al., 2001). More recently, the POKER I survey (2006), for demersal fish, POKER II (2010 ... ) for benthos and demersal fish, collected a large number of specimens on the Kerguelen island shelf ...
Meeting Document : WS-MPA-11/09 : Auteur(s): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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Quantifying within- and between-season variability in Adélie penguin fledgling weights: statistical and practical implications for detecting change
reducing to 30 the number of birds weighed in a single 5-day period each year. If practical, this outcome ... Béchervaise Island and use them in a power analysis as a continuation of the CEMP review. The statistical ... these issues kept in mind, the major findings from these statistical models are the potential for ... implications for detecting change Approval: Approved ...
Meeting Document : WG-EMM-05/20 : Auteur(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Factors to consider in developing management measures for krill
Abstract: A brief review of the objectives of the Convention for the Conservation of Antarctic ... Marine Living Resources is given along with an outline of for the evolution of management procedures for ... in developing management measures for krill Approval: Approved ...
Meeting Document : WG-KRILL-90/14 : Auteur(s): W.K. de la Mare (Australia)
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Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season
of fish of catches. Material sampled included 240 otoliths for age determination, 53 samples for ... onboard longliner Sparta (company “Morskoi Voron”). In total, 20 trotline sets at different depths have ... . All toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of ... genetic analysis and 42 samples for histological analysis. In total, 256 toothfish individuals were caught ...
Meeting Document : WG-FSA-11/36 : Auteur(s): Delegation of Russia
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
there was a consistent tendency for fish over 90-100 cm to have a lower relative selectivity than ... curves were estimated for each of the years 1997-2000. Notable differences were found amongst these, but ... found the same declines in mean lengths for the period 1997 – 1999 as previously noted by WG-FSA, but ... . Taking depth and area into account there is less of an apparent decline in mean length over the period ...
Meeting Document : WG-FSA-01/48 : Auteur(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Korean research plan for Dissostichus spp. in Subarea 48.5 in 2015/16
area for two years. The Republic of Korea noted that the research activities in this region had ... no vessel previously fished. In this region, the severe ice condition existed for many years and no ... Abstract: The Subarea 48.5 is a large area contained from 60°W to 20°W where has been closed to ... directed fishing for long time and is not even subdivided into any SSRUs. Republic of Korea noted that it ...
Meeting Document : WG-SAM-15/08 : Auteur(s): Delegation of the Republic of Korea
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CASAL model evaluation incorporating the calculation of harvest rate for D. eleginoides at Division 58.4.4b
an exploration of the impact of Age Length Keys (ALK), CPUE standardization, and different scenarios ... catch at age data based on annual ALKs and data sources were weighted using an automatic procedure ... submitted by Japan and France (WG-SAM19/08), the CASAL models for Dissostichus eleginoides at Division ... -2019 suggestions (para 6.76 in the WG-SAM2019 report). A single-sex age structured CASAL model was ...
Meeting Document : WG-FSA-2019/62 : Auteur(s): T. Okuda and F. Massiot-Granier
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Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
Abstract: This paper presents an updated assessment for the Patagonian toothfish (Dissostichus ... -2018, and auxiliary commercial composition data to aid with the estimation of year class strength and ... the end of 2019 and observations until the end of 2018. The updated assessment model is based on the ... accepted by WG-FSA-17 to be used for management advice, this assessment takes into account (1) update the ...
Meeting Document : WG-FSA-2019/32 : Auteur(s): P. Ziegler