Resultados de la búsqueda
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... intraspecific competition appears as the most important endogenous factor in all colonies. In turn, the response ... reduction of carrying capacity is mediated by a decrease in food availability and appears as key factor for ...
Meeting Document : WG-EMM-2019/74 : Autor(es): M. Huerta and S.A. Estay
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Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands
intersessional contact group formed during the 2004 meeting of the CEP/ATCM. Since a marine area is included in ... (Conservation Measure 91-02 (2000)). The draft management plan for ASPA 149 was prepared in accordance with the ... Management Plans for Antarctic Specially Protected Areas. In preparing the draft plan, a detailed assessment ... visit was made to the site in February 2001 to verify information and to ensure that the information in ...
Meeting Document : WG-EMM-04/8 : Autor(es): Delegations of Chile and USA
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
depredated resource can be especially challenging when depredation occurs on fish in the marine environment ... accounting for spatial variations of depredation levels. In the first method, we used fishing data from 6 525 ... the two species co-occurred around vessels. The second method was new in a way that we used the ... situations reported elsewhere in the world. In addition to providing methodology insights that could be used ...
Meeting Document : WG-FSA-14/10 : Autor(es): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Scientific research notifications (Conservation Measure 24-01)
Abstract: This paper summarises recent, fishery-related scientific research notified in ... in 2010/11, and five notifications have been received to date for research in 2011/12. Author(s ...
Meeting Document : WG-FSA-11/09 : Autor(es): Secretariat
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New Zealand Draft National Plan of Action – Seabirds
National Plan of Action – Seabirds. The plan will apply to commercial and non- commercial fishing in New ... Zealand fisheries waters. It will also apply to high seas fisheries in which New Zealand flag carrying ... mandatory if not adhered to voluntarily in Codes of Practice. Economic incentives or penalties may also be ... developed if required. The New Zealand government will make final decisions on the plan in November 2003 ...
Meeting Document : WG-FSA-03/41 : Autor(es): J. Nicolson and D. Randall (New Zealand)
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The survivorship of rays discarded from the South Georgia longline fishery
throughout the months of May and June, during 2003 toothfish fishing season in Subarea 48.3. From these ... mortality of 0% for skate caught in waters of less than 1100m. A predicted mortality of 65% for skate caught ... in waters between, 1400 to 1600m and a mortality of 100% for skate caught at 2000m. We recommend from ... these findings that further survival experiment be conducted, particularly in more shallow waters where ...
Meeting Document : WG-FSA-03/57 : Autor(es): M. Endicott and D.J. Agnew (United Kingdom)
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Beach debris survey – Main Bay, Bird Island, South Georgia 1998/99
revealed a total of 213 items, 51% less than the total of 430 items in 1997/98 and the second lowest total ... noted. The winter (April- September) total was 66 % lower than in 1997/98 and is the lowest total since ... 1990. The number of items collected in the summer was 172, a decrease of 45% from the 1997/98 total of ... levels of debris collected in the winter months is encouraging although the totals of summer debris still ...
Meeting Document : SC-CAMLR-XIX/BG/05 : Autor(es): Delegation of the United Kingdom
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THE SOUTHERN OCEAN OBSERVING SYSTEM (SOOS) MEETING REPORT (St Petersburg, Russia, 5 to 7 July 2008)
by the SCAR/SCOR Oceanography Expert Group, 5-7th of July in St Petersburg. The main aim of the ... key changes in oceanography and marine meteorology through time, to relate these to the biota and to ... . SOOS is interested in working with CCAMLR, especially in determining mutual benefits to be realized ...
Meeting Document : CCAMLR-XXVII/BG/43 : Autor(es): SCAR Observer to CCAMLR (G. Hosie, Australia)
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Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean
attributable to the local fishery were little increased in abundance, whereas those derived from distant ... sources had increased by at least 120 per cent, suggesting a recent increase in the density. of artefacts ... adrift in the South Atlantic Ocean. Published in: S. Afr. T. Nav. Antarkt., Deel 18, No. 1, 1988 Author(s ... Inaccessible Island. The minimum rate of artefact accumulation was 88 objects km-1 year-1. Total numbers of ...
Meeting Document : CCAMLR-VII/BG/04 : Autor(es): P.G. Ryan and B.P. Watkins (South Africa)
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Review of Russian investigations of krill escape through the meshes of commercial trawls: approaches to estimating gross removal at krill fishery
Abstract: In this study the review of Russian investigations of krill escapement through the ... studies in two aspects: the problems and approaches to elaboration of the efficient methodology for the ... mortality» assessment in krill fishery. It is suggested to use the models of probability-statistical theory ... of fishing systems developed in AtlantNIRO, for solving the following tasks: quantitative ...
Meeting Document : WG-EMM-10/19 : Autor(es): S.M. Kasatkina (Russia)