Resultados de la búsqueda
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
results indicate that the current commercial trawl fisheries around Heard Island are unlikely to be ... toothfish while protecting the by-catch species from excessive fishing effort, the by-catch rule could be ... . However, if this level is exceeded by any one of the by-catch species then the 5% rule should be enforced ...
Meeting Document : WG-FSA-97/30 : Autor(es): de la Mare, W.K., Williams, R., Constable, A.
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
and medium-scale spatial resolution and consider scenarios where abundance can be present over the ... explicit manner. Models can be parameterised by both population processes (i.e., ageing, recruitment, and ... proportions-at-age catch data were less than ideal. Model estimates of proportions-mature appeared to be ...
Meeting Document : WG-FSA-12/44 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
, emigration can be mimicked by treating it either as a constant biomass of removals or as an additional ... . Clearly, the steep decline in the recapture rates of a cohort of tagged fish through time cannot be ... area may be required to model both immigration into SSRU 88.2H and the subsequent emigration back to ...
Meeting Document : WG-FSA-14/56 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management
the trigger level that ensured that krill predators “ would not be inadvertently and ... disproportionately affected by fishing activity”. CM 51-07 is to be “ reviewed in 2016 with the intent of ensuring ... conservation measure are approximately the right magnitude, although there may be justification for setting the ...
Meeting Document : WG-EMM-16/69 : Autor(es): A.J. Constable, S. Kawaguchi and M. Sumner
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
research survey capacity. Toothfish population structure and bycatch analyses will be presented at WG-FSA ... milestones will be completed and reported to CCAMLR working groups was provided and a final report will be ...
Meeting Document : WG-SAM-2019/08 : Autor(es): Delegations of Japan and France
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Principles for evaluating data collection plans in data-poor exploratory fisheries
Abstract: Since 1992, CCAMLR has agreed that exploratory fishing is not to be allowed to expand ... faster than the acquisition of information necessary to ensure that the fishery can and will be conducted ...
Meeting Document : WG-SAM-11/08 : Autor(es): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
the mark-recapture experiment in Subarea 48.4 in 2007/08. Initial estimates of population size will be ... may need to be extended for a few more years. Author(s): J. Roberts and D.J. Agnew (United Kingdom ...
Meeting Document : WG-FSA-07/32 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Setting management goals using information from predators
be set for higher trophic levels – such as marine mammals, birds and fish. It briefly explores the ... points that can be used directly for making decisions. These indicators include univariate indices ...
Meeting Document : WG-EMM-07/P7 : Autor(es): A. Constable (Australia)
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Educational observer on board fishing vessels in Brazil
of fisheries and biology observer. The Educational Observer, that could be used as informal teacher ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Autor(es): Delegation of Brazil
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A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula
parameters should be applicable to other models of the system. Our methods include the use of weighted ... others, is associated with considerable uncertainty, which must be taken into account when it is used. We ...
Meeting Document : WG-EMM-06/30 Rev. 1 : Autor(es): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)