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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 : Autor(es): 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 : Autor(es): Delegation of Russia
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
curves were estimated for each of the years 1997-2000. Notable differences were found amongst these, but ... there was a consistent tendency for fish over 90-100 cm to have a lower relative selectivity than ... 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): P. Ziegler
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: Kirkwood and Agnew (2001, paper WG-FSA-01/48) proposed an ad hoc method for estimating ... selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ...
Meeting Document : WG-FSA-02/64 : Autor(es): G.P. Kirkwood (United Kingdom)
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
situation to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years ... Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... 48.3 for the 1991/91 season, using virtual population analysis Approval: Approved ...
Meeting Document : WG-FSA-91/15 : Autor(es): G. Parkes (United Kingdom)
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Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
the Committee for Environmental Protection (CEP-VI) under the Madrid Protocol. The most important ... (with those organizations) to seek a common approach as to how special protection for species in the ... marine environment could be achieved and how proposals under the Protocol for designating Specially ... containing three options. ”Having regard to the provisions of Articles 4 and 5 of the Protocol, and Article 7 ...
Meeting Document : CCAMLR-XXII/BG/11 : Autor(es): Chair of the CCAMLR Scientific Committee
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... sites in Antarctica, Southwell (2004) proposed a general abundance estimator appropriate for a species ... bootstrap model, utilising as input data published counts of Adelie penguins and estimates of their ... the R language for statistical computing (R Development Core Team 2008). Software is reliant on data ...
Meeting Document : WG-EMM-PSW-08/11 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)