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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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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... lines and gave specifications for the line in an appendix to the measure. Based on experiences in the ... but were 10 mm in diameter. Pieces of the squid Illex argentinus were used for bait, with roughly 20 ... Peninsula, islands of the Scotia Sea and Antarctic continent between 80°W and 20°W: their status and ... completed in the 1992/93 season, a value for seabird mortality of 2 436 birds/year Seabird Interactions ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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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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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
recent years has been linked to an exemption for night setting in Conservation Measure 24-02 and subject ... Korea, Republic of Yeon Seong No. 829 10 6 16 Spain Arnela 30 67 97 Galaecia 20 8 28 2005/06 Chile ... - 20 0 2004/05 159 7 50 6 - 20 0 2005/06 159 8 50 1 - 20 0 2006/07 159 17 50 3 1267 20 1 2007/08 80 ... -01. 8 TOT 58.4.3b 7. Ecosystem implications/effects 30. No evaluation available for this ...
Document : Site Section: Publications
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3a
fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and subject to ... and 2006/07, with broad modes at approximately 50–80 and 90–130 cm. In 2007/08, a single mode was ... populations 19. None available for this fishery. 5.3 Identification of levels of risk 20. None ... ). Based on conclusions reported in WG-FSA-10/25 for data in Subareas 88.1 and 88.2 and review of data ...
Document : Site Section: Publications
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
Paper Title: Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring ... (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required for five years of monitoring and a = 0.10 ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ... (% Current Value) (20 %) Colony 4 - late January chick counts Sample sizes required for five years of ... variances of the data were similar for both years (Figures 1 a and 1 b) and sample size analysis was based ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.