Resultados de la búsqueda
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Mitigation trials and recommendations to reduce seabird mortality in the pelagic icefish (Champsocephalus gunnari) fishery (Subarea 48.3)
idea of binding the net with sisal string on shooting, in order to prevent it opening until it had sunk ... beneath the sea surface, and thereby reduce the chance of seabirds becoming entangled, while attempting to ... feed from the net. Observations suggest this technique to be highly efficient and adoption of this ... technique across the fleet is recommended. The use of streamer lines during shooting and hauling of the net ...
Meeting Document : WG-FSA-05/59 : Autor(es): J.O. Roe (United Kingdom)
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Climate variability in the western Antarctic peninsula region
Abstract: The climate of tile Western Antarctic Peninsula (WAP) region is distinguished by large ... seasonal and interannual variability and by the occurrence of seasonal sea ice which changes the ocean ... records for several peninsula stations have been examined, and the annual progression of surface air ... temperatures show an along-peninsula gradient indicative of a contrasting influence of maritime versus ...
Meeting Document : WG-EMM-95/61 : Autor(es): Stammerjohn, S.E., Baker, K.S., Smith, R.C.
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A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size
2013/14 the vessel Argos Georgia achieved a tag overlap statistic of 52% rather than the required ... minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... above the rate per tonne required by CM 41-10, but due to sampling noise the distribution of the length ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ...
Meeting Document : WG-FSA-14/31 : Autor(es): C. Darby (United Kingdom)
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
is undertaking integrated circumpolar analyses to improve our understanding of Southern Ocean change ... work to more comprehensively assess (and where possible quantify) key impacts of change on Southern ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... with development of models, scenarios and projections. These activities and their outputs will provide ...
Meeting Document : WG-EMM-17/36 : Autor(es): E. Murphy on behalf of ICED SSC
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CCAMLR-IWC-WS-08
marine ecosystem models Gales, N., Constable, A. CCAMLR-IWC-WS-08/03 Models of Antarctic marine ... ecosystems in support of CCAMLR and IWC: background Constable, A. CCAMLR-IWC-WS-08/04 A review of abundance ... , trends and foraging parameters of baleen whales in the Southern Hemisphere Branch, T.A., Zerbini, A.N ... Report of review group of data sources on odontocetes in the Southern Ocean in preparation for IWC/CCAMLR ...
Meeting
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Setting management goals using information from predators
general characteristics of objectives for higher trophic levels within the context of ecosystem-based ... management, noting that the emphasis for managing the effects of human activities on higher trophic levels is ... of ecosystem structure and function. Following this, the precautionary approach developed in the ... Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) for taking account of higher ...
Meeting Document : WG-EMM-07/P7 : Autor(es): A. Constable (Australia)
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Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations
Abstract: Patterns of fishing ground selection were characterized using STATLANT and CCAMLR fine ... third of them were identified as the main contributors to the total catch. A shift of operational timing ... century of krill operation in Area 48, patterns of SSMU usage has changed. Three different patterns of ... seasonal SSMU selection were characterized by following the result of cluster analysis. Frequently used ...
Meeting Document : WG-EMM-05/28 : Autor(es): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)
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UNDERWATER ACOUSTIC INSTRUMENTATION FOR ANTARCTIC APPLICATIONS
Abstract: In order to describe an aquatic ecosystem scientists require a variety of information ... . Some of this information can be obtained using underwater acoustics. As examples acoustics is often ... . Examples of underwater acoustic instrumentation used by scientists to obtain such information are ... matrix sonars, and various types of trawl gear instrumentation. Data are often obtained from fixed ...
Meeting Document : SG-ASAM-09/09 : Autor(es): L. Andersen (Norway)
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The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution
which the bulk of the commercial krill catch has been taken. Correspondingly, the areas of the following ... four regions are also calculated- (a) the CCAMLR Convention Area, (b) south of 55°S, (c) containing ... krill concentrations and (d) south of the mean summer position of the 0°C isotherm using specialised ... global biomass for krill within each of the above four regions. Similarly, the maximum estimated krill ...
Meeting Document : SC-CAMLR-VIII/BG/19 : Autor(es): Delegation of South Africa
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Análisis de amenazas potenciales de la pesca para los objetivos del AMP propuesta para la región del Mar de Ross
Abstract: We present an analysis of potential threats from fishing to the achievement of MPA ... . Ecosystem threats from fishing potentially undermine the requirements of Article II(3) paragraphs b and c ... . Fishing may also threaten science objectives, e.g. preventing establishment of scientific reference areas ... . Where particular threats can be foreseen and located in space, MPA designation is one effective means of ...
Meeting Document : SC-CAMLR-IM-I/09 : Autor(es): Delegations of New Zealand and the USA