Search results
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A life table for female Antarctic fur seals breeding at Cape Shirreff, Livingston Island
Abstract: Mark-resight data were analysed for five cohorts (1997-2001) to estimate age-specific ... Mark-resight data were analysed for five cohorts (1997-2001) to estimate age-specific juvenile ...
Meeting Document : WG-EMM-06/39 : Author(s): M.E. Goebel, B.I. McDonald, J.D. Lipsky (USA), V.I. Vallejos, R.A. Vargas, O. Blank (Chile), D.P. Costa (USA) and N.J. Gales (Australia)
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Modelling crustacean fisheries: effects of parasites on management strategies
affect only females or feminize males, they may be protected by management practices that protect females ... Abstract: The reproductive performance of commercially important crustaceans may be considerably ... . To manage a parasitized stock, we suggest that strategies should vary depending on the recruitment ... dynamics of both host and parasite. For a certain spatial scale, recruitment to a population may be " ...
Meeting Document : WS-CRAB-93/09 : Author(s): A.M. Kuris and K.D. Lafferty (USA)
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Regulation of the krill fishery within the CCAMLR area
be seen to differ from that implemented in other fisheries. This situation could be affecting the ... that the Commission consider an increase in observer coverage that would be implemented in stages over ... three decades of activity the management of these fisheries by CCAMLR can be seen to be developing ... differently. That is to say, the monitoring of fishing activities in the krill fishery in the CCAMLR Area can ...
Meeting Document : CCAMLR-XXXV/26 : Author(s): Delegación de Chile
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YEAR OF THE SKATE SAMPLING PROTOCOL: LEARNING FROM THE 2007–08 SEASON SAMPLING PROTOCOL ON NZ VESSELS
effort on bycatch will be concentrated on skate species in that year in order to inform a full skate ... assessment. This paper discusses improvements to the fishery derived data that may be required to better ... developed preliminary assessment models for skates, they also highlighted that further information was ... required before a full assessment can be carried out. In 2007, WG-SAM recommended (CCAMLR XXVI WG-SAM ...
Meeting Document : WG-FSA-08/49 : Author(s): S. Mormede (New Zealand)
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Defining smaller management areas within CCAMLR
predators being monitored in other units. Harvesting units are defined and a number of additional divisions ... are necessary can be determined well in advance of the TAC being reached as well as the overall requirements ... predators being monitored in other units. Harvesting units are defined and a number of additional divisions ... are necessary can be determined well in advance of the TAC being reached as well as the overall requirements ...
Meeting Document : WG-EMM-01/52 : Author(s): A.J. Constable and S. Nicol (Australia)
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model
(SSRUs 88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment ... 88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment ...
Meeting Document : WG-FSA-16/44 : Author(s): S. Mormede, K. Large and S. Hanchet
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... which linkages between those elements might be considered. The second section details a model framework ... for understanding the ecosystem effects of fishing, (ii) important physical processes that will ...
Meeting Document : WG-EMM-04/24 : Author(s): A. Constable (Australia)
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Assessing status and change in Southern Ocean ecosystems
and function can be unambiguously assessed in the future. This challenge includes being able to assess ... be unambiguously assessed in the future. This challenge includes being able to assess the likelihood ...
Meeting Document : WG-EMM-13/36 : Author(s): A. Constable (Australia), D. Costa (USA), E. Murphy (United Kingdom), E. Hofmann, O. Schofield (USA), A. Press (Australia), N. Johnston (United Kingdom) and L. Newman (Australia)
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The CCAMLR Decision Rule, strengths and weaknesses
climate change induced variation in productivity, highlights a sensitivity that should be considered by ... Abstract: Scientific Committee has recognised that in order to maintain its leadership in ... ecosystem-based fisheries management, the implications of climate change should be considered by its working ... productivity which could result from climate change. The Decision Rule is demonstrated to be highly ...
Meeting Document : SC-CAMLR-38/15 : Author(s): Delegation of the United Kingdom
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Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill
spatial and temporal variability of krill productivity is likely and that attention needs to be given to ... evaluate management procedures for the Antarctic krill fishery. The key issues to be resolved in the ... ameliorate any local fluctuations in krill abundance and (iii) fishery behaviour could be constrained by ... conservation objectives for predators could be affected by those changes. Productivity of krill can be impacted ...
Meeting Document : WG-EMM-06/38 Rev. 1 : Author(s): A.J. Constable (Australia)