Resultados de la búsqueda
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Preliminary assessment of Patagonian toothfish in Subarea 48.4
Abstract: To date, the stocks of toothfish in Subarea 48.4 have been divided, for assessment ... purposes, into northern and southern components. The northern component is assessed as a single species of ... D. eleginoides whilst the southern component is assessed as a combination of D.eleginoides and D ... species specific assessments, covering the whole of the subarea, would be a more appropriate method for ...
Meeting Document : WG-FSA-13/31 : Autor(es): R. Scott and V. Laptikohvsky (United Kingdom)
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Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B)
to sample the toothfish populations in the northern areas (61°- 66° S) of SSRUs 88.2A–B. The purpose ... of the research as requested by the Scientific Committee (SC-CAMLR XXXII, paragraph 3.76) is to ... patterns and improve estimation of population characteristics predicted by Ross Sea spatial population ... models. Additional outcomes of the research relate to mapping the bathymetry of the fishable area ...
Meeting Document : WG-SAM-14/34 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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Proposal for a longline survey of toothfish in the northern Ross Sea region (SSRUs 88.2 A and B)
to sample the toothfish populations in the northern areas (61°- 66° S) of SSRUs 88.2A–B. The purpose ... of the research as requested by the Scientific Committee (SC-CAMLR XXXII, paragraph 3.76) is to ... patterns and improve estimation of population characteristics by Ross Sea spatial population models ... . Additional outcomes of the research relate to mapping the bathymetry of the fishable area, documenting ...
Meeting Document : WG-FSA-14/61 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
Abstract: The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag recaptures from the estimated ... Dissostichus spp. in other blocks. From the analyses of biological data, it is suggested that the northern ...
Meeting Document : WG-SAM-15/06 : Autor(es): Delegation of Japan
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Implementing Article II of the CAMLR Convention
support a more effective implementation of Article II(3). This paper has also been submitted by ASOC in ... 2015 CCAMLR Symposium in Santiago, Chile. Dr. Hofman was a member of the United States delegation ... during the negotiation of the CAMLR Convention. ASOC has provided some additional background for CCAMLR’s ... consideration. As a participant in the Convention negotiations, Dr. Hofman has an in-depth understanding of the ...
Meeting Document : CCAMLR-XXXIV/BG/25 : Autor(es): Submitted by ASOC
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Summary of research voyages in the South Orkney Islands region in 2015/16
inform the further development of spatial management, including feedback management of the krill fishery ... undertaken in the austral summer of 2015-16. It collected at-sea data on the distribution, abundance and ... behaviour of krill and its predators across a range of temporal and spatial scales using acoustics, nets and ... vessel and field camps on Monroe Island, Powell Island and at Signy where satellite tracking of penguins ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Autor(es): Delegations of the United Kingdom and Norway
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ... the stock assessment model. We undertake a preliminary investigation of estimating natural mortality ...
Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn
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Modelling egg and larval transport of Antarctic Toothfish (Dissostichus mawsoni) in the East Antarctic region: Plan
Abstract: Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR ... and difficulties of in situ observations, life cycle with their spatial and temporal distribution is ... yet to be fully understood. Especially in early life stage, the process of successful egg/larval ... project investigates the transport pattern of egg/larvae of toothfish using particle tracking scheme uses ...
Meeting Document : WG-SAM-2019/20 : Autor(es): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
that can help conserve marine predators. Uncertainty about the impacts of fisheries removals on ... dependent predators bolsters this perspective, but consideration of the spatio-temporal scales over which ... forage species, their predators, and fisheries interact can aid assessment of whether low catch limits ... hierarchical model and 30+ years of monitoring data, we show that expected penguin performance was reduced when ...
Meeting Document : WG-EMM-2019/11 : Autor(es): G.M. Watters, J.T. Hinke and C.S. Reiss
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
issues of krill migrating too close to the surface to be acoustically detected, as well as potential ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... effects of krill vertical distribution on survey results. The Institute of Marine Research, Norway has on ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ...
Meeting Document : WG-EMM-2019/32 : Autor(es): T. Klevjer, G. Skaret and B.A. Krafft