Search results
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Beach debris survey Signy Island, South Orkney Islands, 2004/05
recorded, followed by wood at 13.16%. The results of this season039;s litter survey clearly show ...
Meeting Document : SC-CAMLR-XXIV/BG/17 : Author(s): Delegation of the United Kingdom
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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ... Abstract: An integrated assessment model for Antarctic krill in FAO Subarea 48.1 that ... incorporates catch and length-composition data from the krill fishery with biomass indices and length ... krill population biology and the fishery during the period with data (1976 to 2014 in these models) and ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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A proposal for compiling information, assessments and science that underpin established CCAMLR Marine Protected Areas and provide the basis for ongoing management, science and review: an MPA Report
of the Commission. We propose that an MPA Report be developed, following the designation of an MPA ... structure for an MPA report be consistent with the style of a Fishery Report, and include the following ... measure for a CCAMLR Marine Protected Area and indicates a number of elements where advice may be given by ... the Scientific Committee. We propose that a method is needed for consolidating and maintaining that ...
Meeting Document : WG-EMM-12/49 : Author(s): A. Constable, M. Guest, D. Welsford (Australia), P. Koubbi (France) and L. Weragoda (Australia)
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Assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005-2014
years, and therefore cannot be fully fitted. We recommend that the more conservative model (including ... the 2012 tag data) be used for management purposes. The median MCMC estimates of the initial and ... ): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan) Title: Assessment models for ...
Meeting Document : WG-SAM-15/24 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
removals for research purposes need to be evaluated against the risks that such catches may contribute to ... Abstract: In stocks that have been depleted by overfishing, the benefits of additional fisheries ... delaying the recovery of such stocks. Through simulating a Dissostichus eleginoides stock that has been ... subjected to varying levels of overfishing and research catches, this study show that stocks can take ...
Meeting Document : WG-FSA-10/42 Rev. 1 : Author(s): D.C. Welsford (Australia)
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A feasibility study for stock assessment of D. mawsoni in the Ross Sea (Subares 88.1 and 88.2) using a tag and recapture experiment
exploratory fishery for D. mawsoni has been operating since 1997-98. Catches have increased from ~40 t in 1997 ... -98 to nearly 1800 t in 2002-03. Although some Patagonian toothfish (D. eleginoides) are taken in the ... same season but also between successive seasons, which indicates that fish are surviving the tagging ... ), further complexity can be added to the model to explore the heterogeneity in the population using length ...
Meeting Document : WG-FSA-SAM 03/10 : Author(s): K.J. Sullivan, N.W.McL. Smith, J. McKenzie and S.M. Hanchet (New Zealand)
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Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions
using the LF data and a fitted binomial generalized linear mixed model (GLMM). The GLMM was fitted ... using the LF data and a fitted binomial generalized linear mixed model (GLMM). The GLMM was fitted ...
Meeting Document : WG-FSA-06/35 : Author(s): S.G. Candy (Australia)
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Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
Abstract: Digital pictures and morphological measures are presented to aid CCAMLR observers with ... scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ... , combinations of 2 or more characters should be successful. Genetic analysis of liver samples will confirm ... species identification Author(s): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United ...
Meeting Document : WG-FSA-02/29 : Author(s): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
Abstract: Laboratory studies have shown that Antarctic krill Euphausia superba shrink if ... maintained in conditions of low food availability. Recent studies have also demonstrated that E. superba ... individuals may be shrinking in the field during winter. If krill shrink during the winter, conclusions ... reached by length-frequency analysis may be unreliable. In this study, the correlation between the body ...
Meeting Document : WG-Krill-94/17 : Author(s): W. de la Mare (Australia)
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Existing initiatives that provide an extensive framework for research and monitoring in East Antarctica
Abstract: Research and monitoring (RM) plans need to be developed for marine protected areas in ... considered a number of issues relating to the development of RM plans, including that guidance is needed from ... advice from WG-EMM that RM Plans needed to relate to the requirements for an MPA and that the research ... and monitoring should be achievable in practice. The proposal for the East Antarctica Representative ...
Meeting Document : SC-CAMLR-IM-I/BG/01 : Author(s): Delegations of Australia, France and the European Union