Resultados de la búsqueda
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A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
ecosystems’ in order to maintain the ecological structure and function of, particularly, deep sea benthic ... enables uncertainties to be captured in a straight‐forward manner to assist CCAMLR in maintaining its ... precautionary approach in managing Antarctic fisheries. The functions developed in this paper provide ... placeholders in the simulation framework and can be replaced when better functions are developed. Author(s ...
Meeting Document : WG-SAM-09/21 : Autor(es): A.J. Constable (Australia)
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Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
predict variation in the demographic parameters of Antarctic seabirds. First, we used a long-term dataset ... that most of the variation in both reproductive success, timing of hatching, and survival of Antarctic ... petrels can be accurately modeled using the two modes of large-scale climate variability in Antarctica. e ... in the global patterns of climatic variability will generally have detrimental e ects on populations ...
Meeting Document : WG-EMM-16/P14 : Autor(es): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
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Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey
Abstract: Antarctic krill (Euphausia superba Dana) is a key species in the Southern Ocean ... fisheries. In this paper, using the multi-frequency acoustic data and the fishery data, the relationship ... higher than average catch of night trawls. The average thickness of krill swarm in the daytime was ... that at night, with the maximum NASC between 160 and 180 m in depth. Both CPUA and CPUE at the ...
Meeting Document : WG-EMM-17/44 : Autor(es): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
the biological data in 1990s, however, the habitat shift of this species was still unclear. The ... . carlsbergi hatched in two different areas, E. carlsbergi with Type I otolith could hatched in the oceanic ... waters of sub-Antarctic zone and spend the first year of life in this region. Those individuals move ... Type II otolith could hatched in the coastal waters and are transported (or moved positively) across ...
Meeting Document : WG-FSA-17/65 : Autor(es): L. Wei and G.P. Zhu
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Brief report on scientific observation on the fishery vessel Mellas (FAO Statistical Area 41, January to July 2006)
Abstract: Materials on results of scientific observation in fishery cruise on the longliner ... “Mellas”, operating under the Ukrainian flag in FAO statistical area 41 in the southwest Atlantic outside ... ) fisheries are submitted. The data on volume of the biological material collected in the cruise, the data on ...
Meeting Document : WG-FSA-06/13 : Autor(es): S. Usachev (Ukraine)
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Krill conversion factors
of different krill products are examined and a range of values produced. These are broadly in line ... with those currently in use although the differences are such that use of the traditional factors may ... practice in the fishery, if it is then the use of any of the conversion factors will result in a serious ...
Meeting Document : WG-EMM-01/39 : Autor(es): I. Everson (United Kingdom)
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Proposal for a revised summary table used for assessment of new and ongoing research plans
Abstract: At WG-SAM-2019, it was highlighted that some of the language in the table used to ... assess research plans in data-poor fisheries was ambiguous, in particular to delegates that do not have ... English as their first language. In this paper, we propose some revisions to the table to attempt to ...
Meeting Document : WG-FSA-2019/55 : Autor(es): C. Péron and D. Welsford
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Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions
Abstract: Predator data and exploratory fishing in the Scotia Sea have revealed the presence of ... cephalopod stocks in the Antarctic Polar Frontal Zone (PFZ). This is a vast, remote region where large ... monitor foraging at sea in January-March 1994. A foraging area at the PFZ, north of South Georgia, was ... RMT25 sampled 200 m layers to 1000 m in daylight and darkness. Cephalopods were simultaneously recovered ...
Meeting Document : WG-EMM-96/12 : Autor(es): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.
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Development of a five-year work plan for the CCAMLR Scientific Committee
Committee should be developed for consideration by the Scientific Committee in 2017 (SC-CAMLR-XXXV ... the first stage in the development of the five-year work plan and draws on recommendations arising ... from SC-CAMLR-XXV and the 2016 Scientific Committee symposium (SC-CAMLR-XXXV/12). In particular, the ... are as follows: Target Stock- Assessments to estimate sustainable yield in established/assessed ...
Meeting Document : WG-EMM-17/02 : Autor(es): M. Belchier (Chair of SC-CAMLR)
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Monitoring and managing the effects of environmental change on toothfish assessments
CCAMLR’s fishery reports may be revised to include a new section on changes in model parameters and ... environmental variability and change. We note that causal relationships between observed changes in stock ... consideration of changes in biological parameters and work to understand the impact of these changes on yield ... assessment would reduce uncertainty in management advice. The parameters that could be evaluated to for the ...
Meeting Document : WG-SAM-18/22 : Autor(es): M. Pinkerton, A. Dunn, S. Mormede and S. Parker