Search results
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A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)
of 10 years of survey, age 4 recruitment was estimated using 111 RSTS stations, assuming the age ... of 10 years of survey, age 4 recruitment was estimated using 111 RSTS stations, assuming the age ... Splus. Fish Heaven is a simulation program that uses a spatially-explicit, age-structured fish ... stocks by age class were compared to population estimates based on simulated RSTS hauls. For a series ...
Meeting Document : WG-FSA-04/74 : Author(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)
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Further development of pairwise tag detection performance index and its application to the stock assessment of toothfish in the Ross Sea fishery
Abstract: Tag release and recapture data are used in integrated age-structured stock assessments ... Tag release and recapture data are used in integrated age-structured stock assessments of Antarctic ... assessment was carried out using a different data selection algorithm, more than 90% of all tags released ... , when the 2011 stock assessment was carried out using a different data selection algorithm, more than 90 ...
Meeting Document : WG-SAM-13/34 : Author(s): S. Mormede (New Zealand)
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Development of the krill stock in the elephant island region during the 1996/97 season
, representing age group 2+ and the year-class 1994/95 (proportional recruitment R2 = 0.85). The year-class 1995 ... age group 2+ and the year-class 1994/95 (proportional recruitment R2 = 0.85). The year-class 1995/96 ... , the present juvenile age group 1 +, does not repeat the very successful recruitment of the preceeding year ... /96, the present juvenile age group 1 +, does not repeat the very successful recruitment ...
Meeting Document : WG-EMM-97/16 : Author(s): Siegel, V.
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A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean
three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic schools ... they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and 4-7 years ... relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ...
Meeting Document : WG-FSA-92/11 Rev. 1 : Author(s): V.V. Gerasimchuk (Ukraine)
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
by CCAMLR in icefish age composition of abundance indices determination. To solve this problem it may ... (s): P. Gasyukov (Russia) Title: Alternative method of the age composition assessment on the basis of surveys ... by CCAMLR in icefish age composition of abundance indices determination. To solve this problem it may ... Alternative method of the age composition assessment on the basis of surveys length data using ...
Meeting Document : WG-FSA-05/78 : Author(s): P. Gasyukov (Russia)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... of the ageing procedure from krill with a known age is needed before the number of growth zones can ... be definitely established as an indicator of age. The detection of growth zones in the Antarctic krill ... No reliable measures of age currently exist in the Antarctic krill, Euphausia superba (Dana, 1852 ...
Meeting Document : WG-EMM-16/P02 : Author(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in Article ... is on the CCAMLR values. A review of existing information reveals that the Balleny Islands are uniquely situated ... be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in Article ... is on the CCAMLR values. A review of existing information reveals that the Balleny Islands are uniquely situated ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Author(s): Delegation of New Zealand
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2012–2013 seasons. Several ... We provide an update of the Bayesian sex and age structured population stock assessment model ... ;B), using revised catch, catch-at-age, and tag-recapture data for the 2012–2013 seasons. Several ...
Meeting Document : WG-FSA-13/51 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
that captured fish may be mostly young, between 3-9 years old. The low precision for aging D. eleginoides ... Abstract: A prerequisite for validation of an aging technique is a clear set of consistent aging ... criteria to test. Two sets of criteria ate presented for aging the otoliths of Dissostichus eleginoides ... criteria used to age high latitude fish from the north-west Pacific Ocean. Growth structures were found ...
Meeting Document : WG-FSA-98/52 : Author(s): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
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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 of IUU ... (para 6.76 in the WG-SAM2019 report). A single-sex age structured CASAL model was built to assess ... the M4 model described by Okuda and Massiot-Granier (2019). It includes updated catch at age data based ... conducted an exploration of the impact of Age Length Keys (ALK), CPUE standardization, and different ...
Meeting Document : WG-FSA-2019/62 : Author(s): T. Okuda and F. Massiot-Granier