Resultados de la búsqueda
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On experimental approach to extend boundaries of exploratory fishery on Antarctic toothfish (D. mawsoni) in the Ross Sea (Subareas 88.1 and 88.2) in the meso- and bathypelagial layers
Abstract: Based on the analysis of data on the searching fishery on Antarctic toothfish (D ... . mawsoni) by the Russian fishing vessels "Yantar" and "Volna" in the seasons of 2002/03 ... -2003/04 it has been obtained that the long-line catchability and size composition of fish depended on ... the areas and depth of Antarctic toothfish concentration the need for extension of searching fishery ...
Meeting Document : SC-CAMLR-XXIII/BG/19 : Autor(es): Delegation of Russia
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Reduced bait loss and bycatch of seabirds in longlining by using a seabird scarer
Abstract: Although longlining is regarded as a highly conservation oriented method of fishing ... , bycatch of seabirds on longlines is a problem in certain seasons and areas. Birds feeding on the bait ... during setting of the gear might cause considerable bait loss and occasional hooking of birds might ... eventually give high mortalities considering the large amounts of hooks used. Both from a fishery and bird ...
Meeting Document : WG-IMALF-94/09 : Autor(es): S. Løkkeborg and Å. Bjordal (Norway)
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On the estimation of some demographic parameters for Adelie penguins
Abstract: A population dynamics model for Adelie penguins is developed which takes account of the ... factors of lower adult survival rates in the year of first breeding, and the possibility that such ... breeding may be deferred one year if conditions are poor. A Bayesian approach for estimation of the model ... for illustrative purposes. The results for this case would likely be improved by the provision of more ...
Meeting Document : WG-EMM-95/42 : Autor(es): Thomson, R.B., Butterworth, D.S.
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Climate change and the role of CCAMLR
Abstract: Abstract Fishing magnifies the sensitivity of ecosystems to the effects of climate ... adapting fishing strategies. ASOC advocates that the role of CCAMLR in the climate change context continues ... change, including monitoring efforts, data collection and area protection; 2) extending the use of Marine ... Protected Area (MPAs) networks; 3) extending the application of the Precautionary Approach to include the ...
Meeting Document : CCAMLR-XXIX/BG/19 : Autor(es): ASOC Observer
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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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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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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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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)