Resultados de la búsqueda
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United States seabird research undertaken as part of the CCAMLR Ecosystem Monitoring Program, 1987–1988
provides a current summary of the results of AMLR directed seabird research at the three monitoring sites ... Abstract: As part of the NMFS/AMLR program to provide information for the effective management of ... Antarctica’s marine living resources, three permanent monitoring sites were established on the western side of ... on the breeding success, fledging weights, growth rates and diets of Chinstrap and Adelie Penguins ...
Meeting Document : SC-CAMLR-VII/BG/17 : Autor(es): United States of America
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Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48
new estimates of penguin population distribution and abundance. This project will continue to develop ... over the coming years and we will provide similar updates at regular intervals. Author(s): P.N.Trathan ... , A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom) Title: Advances in the use of airborne ...
Meeting Document : WG-EMM-14/05 : Autor(es): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)
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Notes on the biology of the South Georgia ray, Raja georgiana
Abstract: Morphological information is given on specimens of Raja georgiana that were caught ... during a demersal trawl survey in Subarea 48.3, South Georgia. It is concluded that, in spite of ... fish, they are thought to mature at about 800mm total length. Author(s): I. Everson, J. Kerr, C. Yau ... and A. Williams (United Kingdom) Title: Notes on the biology of the South Georgia ray, Raja georgiana ...
Meeting Document : WG-FSA-00/22 : Autor(es): I. Everson, J. Kerr, C. Yau and A. Williams (United Kingdom)
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A simple approach for calculating the potential yield of krill from biomass survey results
values of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance ... calculations is that the probability that the kri11 spawning biomass drops below 20% of its average pre ... -exploitation level over a 20 year period of harvesting should not exceed l0%. The value of λ depends strongly ... on the value of M (natural mortality) and σR (recruitment variability), and also on the relative ...
Meeting Document : WG-KRILL-91/24 : Autor(es): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
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Translation review of the Basic Documents and the conservation measures
publication of the Schedule of Conservation Measures in Force, following their adoption by the Commission at ... Abstract: In 2018, the Secretariat undertook a comprehensive translation review of all ... of major issues identified in the conservation measures and the Basic Documents are appended, and the ... the next version of the Basic Documents and will be incorporated into translations of the next ...
Meeting Document : CCAMLR-XXXVII/BG/12 : Autor(es): CCAMLR Secretariat
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CEMP indices 1998: summary of anomalies and trends
species and the environment collected by standard methods within the three integrated study regions of the ... and anomalies are presented for data at hand. Author(s): Secretariat Title: CEMP indices 1998 ... : summary of anomalies and trends Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : WG-EMM-98/04 Rev. 2 : Autor(es): Secretariat
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Proposed process for independent review of CCAMLR toothfish stock assessments
Abstract: Following discussion at the Scientific Committee in 2016, we propose a process for ... independent review of CCAMLR integrated toothfish stock assessments based on the process used by the Center ... review of CCAMLR toothfish stock assessments Microsoft Word File: fsa-17-62.docx Approval: Approved ...
Meeting Document : WG-FSA-17/62 : Autor(es): Scientific Committee Chair and Vice-Chairs and the working group conveners
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
given reported catch value but not major bias. The geographical distribution of reported catch at ... of actions that would facilitate further consideration and clarification of these technical issues ... the outcome of the action steps including onboard experiments and analyses of historical catch data ... . Experiments on board ‘Saga Sea’ showed that there is an average delay of approximately 9 minutes between the ...
Meeting Document : WG-EMM-18/22 : Autor(es): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad
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Distribution of salps near the South Shetland Islands; their ecological significance in the area
was dominant. Horizontal distribution of salps and krill did not overlap. Krill occurred abundantly at ... Abstract: Distribution and abundance of salps were studied near the South Shetland Islands during ... the high-chlorophyll a area, in contrast, salps exhibited high biomass in the area of low chlorophyll ... : Distribution of salps near the South Shetland Islands; their ecological significance in the area Approval ...
Meeting Document : WG-KRILL-93/17 : Autor(es): J. Nishikawa, M. Naganobu, T. Ichii and K. Kawaguchi (Japan)
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Parameters for a model of the functional relationships between krill escapement and crabeater seal demographic performance
Peninsula between 1964 and 1990. Average annual survival rate of adults was estimated to be 0.93. Age at ... into a simple model of the functional relationships between krill escapement and crabeater seal ... sexual maturity was estimated to be 3.8 years. Of 44 annual estimates of historical cohort strength, 16 ... for a model of the functional relationships between krill escapement and crabeater seal demographic ...
Meeting Document : WG-CEMP-93/04 : Autor(es): P.L. Boveng and J.L. Bengtson (USA)