Search results
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
sector, from scientific survey trawl catches, reveals distributional patterns. For the northern Antarctic ... megafaunal assemblages of shelf habitats within the Atlantic sector, from scientific survey trawl catches ... information for the commercial bottom trawl fishery that occurred in this region is not reliably documented ... Fisheries Science Center 8604 La Jolla Shores Drive La Jolla, CA 92037, USA Email – chris.d.jones ... invertebrate megafaunal assemblages of shelf habitats within the Atlantic sector, from scientific survey trawl ... invertebrate megafaunal assem- blages collected through scientific survey trawl catches from shelf habitats ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
cylinder model was a better predictor of krill length (predicted length = 8.79 + 0.685 observed length, r2 ... cylinder model was a better predictor of krill length (predicted length = 8.79 + 0.685 observed length, r2 ... Abstract: Acoustic surveys to estimate krill biomass require that sound backscattered by krill ... with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on echo-charts ...
Meeting Document : WG-EMM-97/46 : Author(s): Watkins, J.L., Brierley, A.S.
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An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
, and compensating for diel vertical migration of krill outside of the acoustic observation window. Intra-and inter ... vertical migration of krill outside of the acoustic observation window. Intra-and inter-seasonal variations ... for delineating volume backscattering due to Antarctic krill, adjusting for signal contamination due to noise ... -seasonal variations in krill biomass density and dispersion were derived from the re-processed data set ...
Meeting Document : WG-EMM-03/6 : Author(s): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
was observed to be 1:l.17 though it differs from swarm to swarm. The analysis showed that 47% of krills ... Abstract: During the First Indian Antarctic Krill Expedition (FIKEX), krill samples were ... Midwater Trawl (IKMT), 49.5m krill midwater trawl (Cosmos trawl Denmark) and 42m Polish krill midwater ... of krill and availability of food in the area surveyed. Maturity stage IV (fully matured) was maximum among ...
Meeting Document : WG-EMM-98/37 : Author(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)
in all hauls made south of the Antarctic Divergence, while north of the Divergence the krill stock ... of life. Based on long-term observations, the relationship between E.superba age composition and its ... . Pakhomov (Ukraine) Title: Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation ... of the Antarctic Divergence, while north of the Divergence the krill stock was clearly dominated by individuals ...
Meeting Document : WG-Krill-94/16 : Author(s): E.A. Pakhomov (Ukraine)
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Linking fish and shags population trends
Abstract: This document analyses and relates long term information on population trends ... Antarctic Peninsula, an area that has remained out of the influence of the commercial fishery. Instead ... reliable cause of the declining trend observed in shag colonies at the South Shetland Islands ... This document analyses and relates long term information on population trends of inshore demersal ...
Meeting Document : WG-EMM-12/36 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)
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Linking fish and shags population trends
Abstract: This document analyses and relates long term information on population trends ... Antarctic Peninsula, an area that has remained out of the influence of the commercial fishery. Instead ... reliable cause of the declining trend observed in shag colonies at the South Shetland Islands ... This document analyses and relates long term information on population trends of inshore demersal ...
Meeting Document : WG-FSA-12/05 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)
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Factors influencing Antarctic krill distribution in the South Shetlands
the main food of krill, and a spatial correlation between distributions of krill and diatoms were observed ... correlation between distributions of krill and diatoms were observed. Hence, higher diatom biomass may be one ... Abstract: The influences of biological and physical factors in the environment upon krill ... austral summer. Krill showed a distinct offshore-inshore heterogeneities in abundance and maturity stage ...
Meeting Document : WG-KRILL-93/38 : Author(s): T. Ichii, H. Ishii and M. Naganobu (Japan)
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National technical coordinators
The CCAMLR Secretariat coordinates the implementation of the Observer Scheme through a network ... details of all observer deployments and for ensuring that data and samples collected during ... the deployments are successfully transmitted from the observer to the Secretariat. Technical coordinators ... +61262255415 Australian Fisheries Management Authority Belgium Anton Van de Putte antonarctica [at] gmail [dot ...
Page : Site Section: Science
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Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport
of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show that the Antarctic ... of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show that the Antarctic ... Abstract: Antarctic krill, Euphausia superba Dana, has a heterogeneous circumpolar distribution ... in the Southern Ocean. Krill have a close association with sea ice which provides access to a critical food source ...
Meeting Document : WG-EMM-07/P10 : Author(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)