Résultats de la recherche
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Information on krill in reports from the CCAMLR scheme of international observation and its utility for management
Abstract: A preliminary analysis of the 32 reports submitted under the CCAMLR Scheme of ... International Observation revealed that there are a number of inconsistencies in the information being reported ... information is reported from seasons other than winter. The areas being observed are heavily biased to Sub ... operational procedures are reported sporadically and inconsistently. Similarly, because of the differences in ...
Meeting Document : WG-EMM-07/22 : Auteur(s): J. Foster, S. Nicol and S. Kawaguchi (Australia)
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A conceptual model of the krill fishery
Abstract: The behaviour patterns of Japanese krill fishery vessels in Area 48 were analysed using ... questionnaires on the reasons why the vessel changed their fishing grounds, which were sent out to of the ... Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ... , krill density, krill, size, ice condition, transshipment, and salp-by catch accounted for 95.6% of the ...
Meeting Document : WG-EMM-04/51 : Auteur(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation
other model parameters in integrated assessments via CASAL for the Heard and McDonald Islands (HIMI ... R. Both use the same Poisson likelihood for annual number of recaptures by age class, and both model ... the age-structured population for each fishing year by annual recursive use of difference equations ... (ODE) for within-year population dynamics. The difference in the models derives from differences in ...
Meeting Document : WG-SAM-10/11 Rev. 1 : Auteur(s): S.G. Candy (Australia)
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... between natural and fishing mortality. The model essentially follows tagged cohorts, with the estimated ... parameters being the fishing and natural mortality vectors for that particular cohort. The model was tested ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ...
Meeting Document : WG-FSA-SAM-06/06 : Auteur(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ...
Meeting Document : WG-SAM-12/04 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ...
Meeting Document : WG-FSA-12/12 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Diet of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region, Antarctica
Abstract: The diet of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region was ... . Overall, the diet of sub-adult toothfish was similar to that of adult toothfish, with a dominance of ... importance (IRI), grenadiers (Macrourus spp.) were the most important fish and overall prey species. The ... study did not distinguish between M. whitsoni and M. caml, but this should occur in future. Over the ...
Meeting Document : WG-FSA-12/52 : Auteur(s): D.W. Stevens, M.R. Dunn, M.H. Pinkerton and J.S. Forman (New Zealand)
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Practical options for developing feedback management for the krill fishery in Subarea 48.2
might facilitate the development of feedback management procedures for the krill fishery in Area 48. In ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ... the Staged approach advocated by WG-EMM) is highly improbable based on the current level of ... information available for Subarea 48.2. We suggest that there is an urgent need to improve the ecological ...
Meeting Document : WG-EMM-14/04 : Auteur(s): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)
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Full steam ahead for the Polar Code – developing safety measures for fishing vessels and implementation of marine mammal avoidance measures
Abstract: This paper provides a brief update on progress by the International Maritime ... Organization (IMO) on the development of safety measures for non-SOLAS vessels including fishing vessels, and ... considers current discussions on the implementation of marine mammal avoidance measures under the Polar Code ... . ASOC calls on the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) and ...
Meeting Document : CCAMLR-XXXVII/BG/35 : Auteur(s): Submitted by ASOC
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Research and monitoring by New Zealand and Italy in support of the Ross Sea region Marine Protected Area
Abstract: In 2016 the Commission adopted Conservation Measure (CM) 91-05, establishing the Ross ... Sea region Marine Protected Area (RSRMPA). Annex B of this CM specifies the RSRMPA specific objectives ... and the Management Plan. In addition, Annex C specifies the Priority elements for Scientific Research ... that should be addressed. We recall the objectives of the RSRMPA and the research questions for ...
Meeting Document : SC-CAMLR-38/BG/25 Rev. 1 : Auteur(s): Delegations of New Zealand and Italy