Resultados de la búsqueda
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A feedback approach to Ecosystem Based Management: model predictive control of the Antarctic krill fishery
Abstract: The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) aims ... to develop a feedback approach to aid Ecosystem Based Management (EBM) of the Antarctic krill fishery ... rules based on their predicted performance in a model of the controlled system. Here we use MPC to ... develop a robust control strategy for a simulation model of a spatially resolved predator-prey system. We ...
Meeting Document : WG-EMM-12/19 : Autor(es): S. Hill and M. Cannon (United Kingdom)
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Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods
Abstract: Reliable estimates of demersal fish community composition and population densities are ... essential for understanding the ecological effects of fisheries. Such estimates are conventionally derived ... . Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... , we compared measures of community composition, population density, and biomass derived from three ...
Meeting Document : WG-FSA-12/51 : Autor(es): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the two previous seasons
Abstract: We addressed the revisions requested by the WG-SAM-14 regarding the results of the ... second year of Spanish research experience and ongoing research plan presented in WG-SAM- 14/12 and WG ... -SAM-14/09. A summary of the results of the Spanish research that took place in the 58.4.1 division ... during the last two fishing seasons is presented. A prospective estimation of the local biomass (B LOC ...
Meeting Document : WG-FSA-14/35 : Autor(es): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
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A small unmanned aerial system for estimating abundance and size of Antarctic predators
Abstract: Quantifying the distribution and abundance of predators is integral to many ecological ... studies, but can be difficult in remote settings such as Antarctica. Recent advances in the development of ... new tool for studying the distribution and abundance of predator populations. We detail our experience ... from the first use of VTOLs for estimating abundance, colony area, and density of krilldependent ...
Meeting Document : WG-EMM-15/P06 : Autor(es): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi
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An initial examination of using CPUE as a fishery performance index for the krill fishery
Abstract: Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... krill abundance. However, understanding the factors effecting the operation of the krill fishery and the ... extent to which these reflect changes in krill abundance are key elements of developing feedback ... management of the krill fishery. This analysis reviewed catch and effort data from the krill fishery for the ...
Meeting Document : WG-EMM-16/10 : Autor(es): CCAMLR Secretariat
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Emperor penguins – vulnerable to projected rates of warming and sea-ice loss; an international collaboration to inform species-related conservation decision-making and conservation planning
Abstract: An international group of scientists, from the United Kingdom, Australia, Finland ... , France, Germany, Monaco, the United States and SCAR, including the majority of those holding long-term ... data and having experience of working with emperor penguins have formed an international collaboration ... to review the dependence and vulnerability of emperor penguins to ongoing and projected climate ...
Meeting Document : SC-CAMLR-38/BG/10 : Autor(es): Delegations of the United Kingdom, Australia, France, Germany, SCAR and ASOC
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Expanding CCAMLR’s consideration of whales in science and management
significant advancements in the understanding of the status of whales, much of scientific and management ... relevance to CCAMLR. As CCAMLR works to progress management of the krill fishery and develops a network of ... the foraging needs of baleen whales including humpback, fin, sei, blue and minke whales in krill ... allow for the inclusion of whales in CEMP. • Assist in the collection and analysis of data to ...
Meeting Document : SC-CAMLR-38/BG/24 : Autor(es): Submitted by ASOC
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DEVELOPMENT OF A COMPLIANCE EVALUATION PROCEDURE (DOCEP) INTERSESSIONAL WORK 2010
Abstract: DEVELOPMENT OF A COMPLIANCE EVALUATION PROCEDURE (DOCEP) INTERSESSIONAL WORK 2010 ... intersessionally via email on the development of a compliance evaluation procedure during 2010. At CCAMLR-XXVIII ... , Members were informed that this work would include the circulation of a questionnaire to provide an ... indication of Members’ views on the impacts of non-compliance with a number of conservation measures (CCAMLR ...
Meeting Document : CCAMLR-XXIX/17 : Autor(es): Convener, DOCEP
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ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY
Abstract: Analysis of the Antarctic krill (Euphausia superba) commercial and research fishery in ... 1970-ies and 1980-ies showed that different modifications of midwater trawls applied had comparatively ... 40-50% of the «percolated» individuals were injured, at the same time while «punched» through small ... meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects of this problem ...
Meeting Document : WG-EMM-09/11 : Autor(es): L. Pshenichnov (Ukraine)
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
Abstract: High densities of vulnerable marine ecosystem (VME) indicator taxa were encountered in ... were detected in most cases utilizing occurrence and abundance of VME indicator taxa in research bottom ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ... system. Using standardized densities of VME taxa from bottom trawl samples, we propose one possible ...
Meeting Document : WG-EMM-09/32 : Autor(es): S.J. Lockhart and C.D. Jones (USA)