Search results
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Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15 Approval ... ) in the Ross Sea region for the years 1997–98 to 2014–15 ...
Meeting Document : WG-FSA-15/39 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Modelling Southern Ocean krill population dynamics: biological processes generating fluctuations in the South Georgia ecosystem
. Low krill abundance was associated with reduced representation of the 3+ age group, whereas when krill ... were abundant the 3+ age class was the major age group present. The seasonal changes in the population ... . The dominance of the changes in krill population age structure underlines the fact that to understand ... . Low krill abundance was associated with reduced representation of the 3+ age group, whereas when krill ...
Meeting Document : WG-EMM-01/53 : Author(s): E. Murphy and K. Reid (United Kingdom)
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Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2
completed. In years with a zero commercial catch limit, a combined bycatch and research catch limit of 30 ... limit recommended by the decision rules is below 100 tonnes in the first year after a survey has been ... by the decision rules is below 100 tonnes in the first year after a survey has been completed. In years ... with a zero commercial catch limit, a combined bycatch and research catch limit of 30 tonnes would allow ...
Meeting Document : WG-FSA-11/34 : Author(s): Delegation of Australia
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... of 238 Amblyraja georgiana were tagged and released in 2010 and 3 were recaptured; Approximately 20 ... experiment in the South of Subarea 48.4 in 2010/11 with a reduced TAC of 30 tonnes. Author(s): J. Roberts ... A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 fishing season ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
age structure and growth parameters are used. It is concluded that only in the three earliest years ... the period prior to large scale commercial harvesting is discussed. Methods based on population age structure ... and growth parameters are used. It is concluded that only in the three earliest years, 195 1, 1964 and 1966 ...
Meeting Document : WG-FSA-97/05 : Author(s): Everson, I.
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Principles for evaluating data collection plans in data-poor exploratory fisheries
with the principles set forth in Article II of the Convention. However, several times over the last five years ... in accordance with the principles set forth in Article II of the Convention. However, several times over ... the last five years the Scientific Committee has noted with concern the lack of progress in developing ... robust assessments of status of Dissostichus spp. in exploratory fisheries. Each additional year ...
Meeting Document : WG-SAM-11/08 : Author(s): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)
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KRILL FISHERY BEHAVIOUR IN THE SOUTHWEST ATLANTIC
Abstract: 10 years worth of recent finescale haul-by haul krill data were used to characterize ... through the analysis was 15-30 tonnes/haul, which is higher than the 1980s information (5-10 tonne/haul ... tows were 10-15 nm, which is the scale of a single concentration. However, there was considerable year ... to year variability in the probabilities of operating within a local range after a number of tows ...
Meeting Document : WG-EMM-08/39 : Author(s): S. Kawaguchi (Australia)
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Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
the Working Group review this work, prioritise data sets and further analyses, and consider a process to allow ... Word File: emm-17-20.docx Approval: Approved Secretariat Workflow Status: Content Approved ... the Working Group review this work, prioritise data sets and further analyses, and consider a process to allow ...
Meeting Document : WG-EMM-17/20 : Author(s): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford
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A review of by-catch in CCAMLR exploratory toothfish fisheries
years, despite no significant reduction in fishing effort probably linked to changes in landings ... of skates. Bycatch by weight formed 6.7% of total catch per year, however the number of individuals landed ... : A review of by-catch in CCAMLR exploratory toothfish fisheries Approval: Approved ... of individuals across years, despite no significant reduction in fishing effort probably linked to changes ...
Meeting Document : WG-FSA-14/16 : Author(s): E. McClure, K. Reid (Secretariat)
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
, and varying in age from 1000’s of years to succession stages of iceberg scour events; and f) a paradoxical ... velocities and biological interactions, and varying in age from 1000’s of years to succession stages ...
Meeting Document : WG-EMM-09/14 : Author(s): J. Weller and D.G. Ainley (USA)