Search results
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
Abstract: Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ...
Meeting Document : WG-EMM-00/49 : Author(s): D.A. Demer (USA)
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Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island
degree of interchange of Dissostichus eleginoides (Patagonian Toothfish) between two sites 40 nautical ... levels appropriate for population structure analysis, and two of these gave results that suggest samples ... genetic analyses that interchange of fish between the two sites is very low. Of 469 recaptures at both ... performed on small numbers of fish and loci these results must be regarded as preliminary, but if confirmed ...
Meeting Document : WG-FSA-98/39 : Author(s): A. Reilly, B. Ward and R. Williams (Australia)
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STANDING STOCK, SPATIAL DISTRIBUTION, AND BIOLOGICAL FEATURES OF DEMERSAL FINFISH FROM THE 2009 U.S. AMLR BOTTOM TRAWL SURVEY OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2)
Abstract: A random depth stratified bottom trawl survey of South Orkney Islands (CCAMLR Subarea ... season. Detailed information is presented for several of the most abundant demersal finfish species ... biomass within the 500 m isobath of South Orkney Islands. Spatial distribution of standardized finfish ... the northwest sector of the shelf area. The highest densities of demersal finfish occurred at stations ...
Meeting Document : WG-FSA-09/19 : Author(s): C.D. Jones (USA) and K.-H. Kock (Germany)
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A proposal for streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources
Abstract: The work of the Scientific Committee is expanding with a duplication of many functions ... which there is insufficient time at present in the existing working groups, such as consideration of ... marine protected areas in a CCAMLR context and the development and evaluation of management strategies ... for CCAMLR fisheries. It is proposed that the working groups of the Scientific Committee be revised to ...
Meeting Document : SC-CAMLR-XXIV/BG/30 : Author(s): Delegation of Australia
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BOOK REVIEW: WHALES OF THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev
Abstract: Examined the distribution and migration patterns of whales in the Southern Hemisphere ... . The presence of a new species of killer whale in the Antarctic, Orcinus nana, is shown. The impacts of ... extermination of whales in the Antarctic ecosystem are examined. Regions are defined which could be used as ... testing areas for whale survey methods. Author(s): Delegation of Ukraine Title: BOOK REVIEW: WHALES OF ...
Meeting Document : WG-FSA-09/11 : Author(s): Delegation of Ukraine
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Distribution and abundance of krill in the vicinity of Elephant Island in the 1992 austral summer
in the vicinity of Elephant Island, Antarctica, from mid-January to mid-March, 1992. The first and ... surveys covered a 60 by 35 n.mi. area immediately north of Elephant Island. During the first survey, krill ... were distributed in a wide band extending along the north side of Elephant Island and wrapping around ... highest densities of krill were over the shelf extending to the northwest from Elephant Island and ...
Meeting Document : WG-CEMP-92/15 : Author(s): R.P. Hewitt and D.A. Demer (USA)
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Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
coast of Norway. We compared the bycatch rate of northern fulmars Fulmarus glacialis, the loss rate of ... baits to fulmars and the catch rates of fish target species among lines set with either of these ... mitigation measures, a combination of both and no mitigation measure. A total of 58,420 hooks were set in ... each of the four treatments. No birds were caught using the bird-scaring line alone and a single fulmar ...
Meeting Document : WG-FSA-01/78 : Author(s): S. Løkkeborg (Norway) and G. Robertson (Australia)
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Standing stock, spatial distribution and biological features of demersal finfish from the 2006 US AMLR bottom trawl survey of the northern Antarctic Peninsula and Joinville–D’Urville Islands (Subarea 48.1)
trawl survey of the northern Antarctic Peninsula (southern Bransfield Strait) and Joinville/D’Urville ... Islands. This area included the likely historical fishing grounds of a trawl fishery for the spiny icefish ... to the south. Estimates of seabed area by strata between 50-500 m for the region surveyed are ... dietary patterns from the survey is presented. Most biomass of finfish in this region occurs around the ...
Meeting Document : WG-FSA-06/14 : Author(s): C.D. Jones (USA) and K.-H. Kock (Germany)
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Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters
Abstract: The influences of abiotic and biotic parameters on the occurrence of Antarctic krill ... (Euphausia superba) concentrations were studied in the waters north of the South Shetland Islands, a major ... the occurrence of high krill concentrations in these waters. Drifting buoys indicated that the surface ... water circulation in areas of krill concentrations was characterized by a sluggish current with eddies ...
Meeting Document : WG-EMM-98/18 : Author(s): T. Ichii, K. Kayatama, N. Obitsu, H. Ishii and M. Naganobu (Japan)
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Distribution patterns and biomasses of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera bonaerensis) in the Ross Sea in 2005
Abstract: Distribution patterns and biomasses of Antarctic and ice krill in the Ross Sea in ... obtained from samples of RMT hauls and stomach contents of Antarctic minke whales. Ice krill was ... Ross Sea was stratified into two strata based on the distribution patterns of two krill species to ... estimate their biomasses. Biomass densities of Antarctic krill using KM and KS2 data were estimated as 5.13 ...
Meeting Document : WG-EMM-08/35 : Author(s): H. Murase, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M. Naganobu (Japan)