Search results
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
and predator diet sampling. Comparisons of these two methods show broadly coherent results but also frequently ... for the two data sets are approximated as close as possible we found no difference in krill length frequency ... and predator diet sampling. Comparisons of these two methods show broadly coherent results but also frequently ... for the two data sets are approximated as close as possible we found no difference in krill length frequency ...
Meeting Document : WG-EMM-04/49 : Author(s): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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Patagonian toothfish maturity in fishing area 48.3 (South Georgia and Shag Rocks)
ogive was drawn and compared with size composition in catches of recent years to show that currently ... and compared with size composition in catches of recent years to show that currently long-line fishery has been ...
Meeting Document : WG-FSA-03/99 : Author(s): K.V. Shust and A.N. Kozlov (Russia)
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Preliminary assessment of Patagonian toothfish in Subarea 48.3
is presented. The assessment results from this year’s analyses are very similar to those of 2011. SSB ... in the terminal assessment year continues to be estimated at around 54% of virgin biomass, consistent ... of the recruitment.YCS estimates which differ markedly in 1990 but follow similar trends in all other years. Recruitment ... remains uncertain although there is some evidence of the progression of strong year-classes through ...
Meeting Document : WG-FSA-13/30 : Author(s): R. Scott (United Kingdom)
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Acoustic discrimination of southern ocean zooplankton
copepod Rhincalanus gigas. Instrumentation on the nets allowed their trajectories to be reconstructed ... originating from Antarctic krill Euphausia superba, with an overall correct classification rate of 77%. We ... employed for fishery acoustics, it is possible to discriminate in situ between several zooplanktonic taxa ... be discriminated once information on target distribution was considered, highlighting the value of ...
Meeting Document : WG-EMM-97/54 : Author(s): Watkins, J.L., Brierley, A.S., Goss, C., Ward, P.
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WG-KRILL/CEMP-94
-Joint-94/16 An Environmental Information and Modelling System (EIMS) for sustainable development: from ... documents Doc Number Title WG-Joint-94/01 Provisional Agenda for the Second Joint Meeting of WG-KRILL and WG ... Africa) WG-Joint-94/11 Gentoo penguin Pygoscelis papua diet as an indicator of planktonic availability in ... Group on Seabird/Fish Interactions Copenhagen, 6-10 September 1993 WG-Joint-94/15 Estimated food ...
Meeting
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A nonparametric algorithm to model movement between polygon subdomains in a spatially explicit ecosystem model
shape and size (‘polygons’) to resolve space, and movement of biomass between them forms an important ... usually forms the basis for movement of passive or nearly passive biomass. Grid-based advection algorithms ... are not designed to model movement on the larger scale of polygons, resulting in disproportionately ...
Meeting Document : WG-EMM-06/35 : Author(s): T. Lenser and A. Constable (Australia)
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A system-of-equations approach to modeling age structured fish populations: the case of Alaskan red king crab, Paralithodes camtschaticus
-class equations. This exploits the commonality among cohort members and serves as an instrumental ... that link age-classes. The technique uses multiple observations on a cohort to further mitigate the ... framework is applied to trawl survey data for adult male Alaskan king crab, Paralithodes camtschaticus ...
Meeting Document : WS-CRAB-93/23 : Author(s): J.A. Greenberg, S.C. Matulich and R.C. Mittelhammer (USA)
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
on vertically scanning transducers attached to the headline of the trawl net, has two principal functions ... that of the other two areas, being deepest during morning twilight and shallowest at dusk from June to September ... respectively, which were deeper than the depths in the same season in the other two areas. The depth ... February 21.2 74.9 1.3 1.6 March 14.8 31.7 1.4 1.8 April 20.4 37.1 1.8 2.0 May 6.3 29.8 2.1 2.0 ... ) was examined for the Scotia Sea (South Shetland Islands (SS), South Orkney Islands (SO) and South ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu
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Synopsis of data from satellite telemetry of foraging trips and migration routes of penguins and pinnipeds from the South Shetland Islands, 1997/98 to present
, and gentoo penguins, and Antarctic fur, Weddell, and leopard seals. The data from 14 years of tracking ... , and Antarctic fur, Weddell, and leopard seals. The data from 14 years of tracking are presented to highlight ...
Meeting Document : WG-EMM-12/37 : Author(s): J. Hinke, G. Watters, W. Trivelpiece and M. Goebel (USA)
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Revisions to the draft East Antarctic Representative System of Marine Protected Areas (EARSMPA) Conservation Measure
) Conservation Measure Microsoft Word File: e-cc-xxxiv-30.docx Approval: Approved Secretariat Workflow Status ...
Meeting Document : CCAMLR-XXXIV/30 : Author(s): Delegations of Australia, France and the European Union