Resultados de la búsqueda
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Krill caught by predators and nets: differences between species and techniques
during February 1986 at South Georgia were compared to krill from scientific nets fished in the area at ... the same time. The length-frequency distribution of krill was broadly similar between predators and ... nets although the krill taken by diving species formed a homogeneous group which showed significant ... differences from krill taken by other predators and by nets. There were significant differences in the ...
Meeting Document : WG-EMM-96/09 : Autor(es): Hill, H.J., Reid, K., Trathan, P.N., Croxall, J.P.
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TASO-09
Number Title TASO-09/01 Agenda for the Ad Hoc Technical Group for At-Sea Operations TASO-09/02 List of ... participants TASO-09/03 List of documents TASO-09/04 PROPOSED CHANGES TO THE SCIENTIFIC OBSERVERS MANUAL ... Secretariat TASO-09/04 Appendix Scientific Observers Manual Secretariat TASO-09/05 A DESCRIPTIVE REVIEW OF THE ... TRAWL SYSTEMS USED IN THE ANTARCTIC KRILL FISHERY Moir Clark, J., Davis, M., Peatman, T. TASO-09/06 ...
Meeting
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
Abstract: This report details the twelfth annual survey of the incidence of entanglements of ... , South Orkney Islands. Data are reported for the period 14 November 2007 to 13 March 2008. Three seals ... ). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ...
Meeting Document : WG-FSA-08/26 : Autor(es): M.J. Dunn and C.M. Waluda (UK)
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On commercial significance of krill aggregations
Abstract: We made an attempt to estimate krill commercial biomass density within the fleet ... operation areas and compare it with critical density values for marine animals feeding on krill. The results ... of acoustic investigation obtained in the Soviet trawler operation areas in Subareas 48.1-48.4 were ... numbering 22000 hauls for the period of 1986-1990 and those from Ukrainian trawlers for the period of 2001 ...
Meeting Document : WG-EMM-03/31 : Autor(es): S.M. Kasatkina (Russia)
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Comparison of temperature situation near South Georgia in December–February, 1989–1990, 1990–1991, 1999–2000 and 2000–2001 on satellite data and information about krill catches in Subarea 48.3
Abstract: Monitoring of the sea surface temperature (SST) in Subarea 48.3 on satellite data (GOES ... -E, Meteosat), use of in situ data and the further analysis of the SST maps, maps of the SST ... anomalies and dynamics provide strictly special, but constant information on hydrological situation in the ... the CCAMLR materials could allow us to assess, with a certain degree of reliability, a potential ...
Meeting Document : WG-EMM-01/11 : Autor(es): G. Vanyushin (Russia)
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Beach litter accumulation at sub-Antarctic Marion Island – 1998/99
accunmulation for the year May 1998- April 1999. The amount of debris found in both annual and monthly ... accumulation studies, showed a substantial decrease from the peak experience during 1997/98 season, but is ... still double that recorded during 1984. This recent decrease was mainly due to a decrease in the number ... dominated for the previous two years. Items originating from South America (Argentina in particular) were ...
Meeting Document : CCAMLR-XVIII/BG/22 : Autor(es): Delegation of South Africa
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UPDATE ON ITEMS OF INTEREST TO WG-IMAF
Economic Zone that are relevant to the work of WG-IMAF. These developments include refinement of the ... requirement of fishing practices to reduce seabird bycatch by surface longline vessels and the introduction of ... regulations to reduce seabird bycatch by bottom longline vessels. The bycatch of seabirds by fisheries within ... New Zealand’s EEZ in recent years that either breed or forage within the CCAMLR convention area ...
Meeting Document : WG-FSA-08/47 : Autor(es): N. Walker (New Zealand)
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Diet composition of Dissostichus eleginoides in Subarea 48.3, Dr Eduardo Holmberg survey March/April 1996
Abstract: A diet analysis of the patagonian toothfish Diissostichus eleginoides in the Subarea ... ; (%) methods. The samples consisted chiefly of immature specimens, with predominant length ranges of 30-70 cm ... (TL). Fish was by far the main food at SR and SG (63 % as sole prey). Krill appeared as secondary food ... , although its importance was overestimated by the frequency of occurrence method. Cephalopods and mysids ...
Meeting Document : WG-FSA-96/29 : Autor(es): Barrera-Oro, E., Marschoff, E., Casaux, R.
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Analysis of observer coverage for Japanese krill fishing vessels
explore proper allocation of scientific observers on Japanese krill fishing vessels using the data from ... 1995 to 2008. Based on the multistage sampling theory, we derived the equation of variance in four ... stage cluster sampling units (i.e., vessel, year, subarea, and haul), and examined changes in the ... coefficients of variation (CV) caused by the shifts in coverage at different sampling stages. Vessel coverage ...
Meeting Document : WG-SAM-10/17 : Autor(es): T. Okuda, M. Kiyota and H. Okamura (Japan)
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Outline proposal for geographic information services for CCAMLR
Abstract: This document outlines a proposal from the British Antarctic Survey (BAS) to provide a ... Geographical Information System (GIS) for CCAMLR. The proposal offers a web-based GIS that will provide state ... -of-the-art capacity for managing spatial data for CCAMLR, particularly the types of information ... managed by WG-EMM. It also proposes joint working with the Secretariat to enable capacity building in ...
Meeting Document : WG-EMM-12/70 : Autor(es): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)