Search results
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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 : Author(s): M.J. Dunn and C.M. Waluda (UK)
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Krill biomass estimates for South Georgia, December and January 1996/97
conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... Georgia during December/January 1996/97. Netting suggested that the mean lengths of krill within the ... to be attributable to krill were identified on the basis of the difference between mean volume ... volume backscattering strengths at 120 kHz were scaled by the appropriate TS value to determine mean ...
Meeting Document : WG-EMM-97/48 : Author(s): Goss, C., Watkins, J.L., Brierley, A.S.
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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 : Author(s): G. Vanyushin (Russia)
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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 : Author(s): N. Walker (New Zealand)
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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 : Author(s): T. Okuda, M. Kiyota and H. Okamura (Japan)
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Fishery selection for Patagonian toothfish in CCAMLR Subarea 48.3, asymptotic or dome shaped?
Abstract: Characterisation of fishery selection is key to reducing uncertainty in the ... waters as they age and increase in size and, in combination with the practical difficulties associated ... with deploying fishing gear at increasing depths, there is the potential for a dome shaped selection ... with age and size to arise. However this type of selection pattern is associated with the estimation of ...
Meeting Document : WG-SAM-15/29 : Author(s): C. Darby, V. Laptikhovsky and M. Soeffker (United Kingdom)
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A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound
through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... integrated with ongoing collaborative research programmes to determine the importance of toothfish to ... mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ... current design. However, power analysis based on historical catch data suggests that the sample size ...
Meeting Document : WG-FSA-15/33 : Author(s): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)
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CCAMLR conservation measures: alternative approaches for fishery measures
Abstract: Conservation measures are an integral part of the Convention and are used for managing ... Antarctic marine living resources. Over the 17 years of their existence, conservation measures have grown in ... number and complexity, from two measures adopted at CCAMLR-III to 61 measures in force in 2000/01. The ... majority of the conservation measures adopted by the Commission deal with the management of fisheries, and ...
Meeting Document : CCAMLR-XX/20 Rev. 1 : Author(s): Secretariat
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Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
Abstract: A preliminary histological analysis on the ovarian development in Champsocephalus ... described for other species. A gonad maturation scale was elaborated and adapted to the macroscopic scale ... commonly used. Oocytary resorption processes were observed during ovarian maturation. In some cases the ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ...
Meeting Document : WG-FSA-94/28 : Author(s): G.J. Macchi and E.R. Barrera-Oro (Argentina)
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Biology and harvesting of Dissostichus eleginoides around Kerguelen Island (Division 58.5.1)
Abstract: Dissostichus eleginoides is becoming an increasingly important species in the fisheries ... of the Southern Ocean. In Division 58.5.1, a directed trawl fishery has been in operation since 1984 ... /85 and has expanded in the deep western sector of the Kerguelen shelf. This fishery harvests the sub ... -adult/adult part of the stock. Fishing effort and corresponding catches are very variable from one year ...
Meeting Document : WG-FSA-91/09 : Author(s): G. Duhamel (France)