Search results
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
. This was interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... . This was interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... are strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... years in the same area. Author(s): E. Marschoff and E. Barrera-Oro (Argentina) Title: Size variations ...
Meeting Document : WG-FSA-91/13 : Author(s): E. Marschoff and E. Barrera-Oro (Argentina)
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Continuation of the research program on study of life cycle, species compositions, biology and resource potential of craboids (Anomura, Decapoda) in the Pacific Ocean Antarctic Area from 2019/20 to 2020/21 by Russian Federation
) in the Pacific Ocean Antarctic Area from 2019/20 to 2020/21 by Russian Federation Microsoft Word File: sam-2019 ... and resource potential of craboids (Anomura, Decapoda) in the Pacific Ocean Antarctic Area from 2019/20 to 2020 ...
Meeting Document : WG-SAM-2019/18 : Author(s): Delegation of the Russian Federation
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... catch, catch-at-age, and tag-recapture data from 1998 to 2017 and including the results from the Ross ... We provide an update of the Bayesian sex and age structured population stock assessment ... ;B), using catch, catch-at-age, and tag-recapture data from 1998 to 2017 and including the results from ...
Meeting Document : WG-FSA-17/37 Rev. 1 : Author(s): S. Mormede
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Has Notothenia rossii around Elephant Island and the lower South Shetland Islands (Subarea 48.1) recovered from exploitation some 30 years ago?
South Shetland Islands (Subarea 48.1) recovered from exploitation some 30 years ago? Approval: Approved ... ) recovered from exploitation some 30 years ago? ... in the first half of the 1970’s and at Elephant Island in 1979/80. The closure of the fishery for this species ... half of the 1970’s and at Elephant Island in 1979/80. The closure of the fishery for this species ...
Meeting Document : WG-FSA-12/19 : Author(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
growth model based on recent cohort progressions indicated an increase in size-at-age compared ... growth model based on recent cohort progressions indicated an increase in size-at-age compared ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX ... t in the 2018/19 season respectively satisfied the CCAMLR decision rules. Given their apparent plasticity ...
Meeting Document : WG-FSA-17/22 : Author(s): D. Maschette, P. Burch, P. Yates and D. Welsford
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KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE WESTERN WEDDELL SEA WITH SPECIAL REFERENCE TO SSMUS OF AREA 48.1
in the Antarctic Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special reference ... Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special ...
Meeting Document : WG-EMM-09/21 : Author(s): J. Forcada and P.N. Trathan (United Kingdom)
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
increased the information available on older age classes (i.e. fish greater than 20 years) available for use ... substantially increased the information available on older age classes (i.e. fish greater than 20 years ... ). This year’s stock assessment includes new age data from the 2012, 2013 and 2014 RSTSs, as well as from ... an ageing program for the purposes of routine processing of Patagonian toothfish (Dissostichus eleginoides ...
Meeting Document : WG-FSA-14/45 : Author(s): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying ... Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the CCAMLR harvest control ... rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for 2020/21. ... the CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes ...
Meeting Document : WG-FSA-2019/30 : Author(s): T. Earl
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Fish by-catch in the krill fishery: 2018 update
) and CCAMLR SISO data (17 455 hauls) up to 20 Sept 2018 was used to examine the frequency of occurrence ... SISO data (17 455 hauls) up to 20 Sept 2018 was used to examine the frequency of occurrence, length ... in the commercial krill fishery catch data. As in previous years there was a high degree of overlap in the most ... : 2018 update Microsoft Word File: fsa-18-10.docx Approval: Approved Secretariat Workflow Status ...
Meeting Document : WG-FSA-18/10 : Author(s): CCAMLR Secretariat
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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
to characterise the age composition. It was determined that in the initial years of exploitation of the stock ... the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of repeated spawning fish ... is recommended to start in the nearest years. It will make it possible to control size- age structure changes ... cm, mean age was 7.4 years; some 70% of catch consisted of repeated spawning fish. The author ...
Meeting Document : WG-FSA-94/04 : Author(s): P.B. Tankevich (Ukraine)