Resultados de la búsqueda
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Acoustic discrimination of southern ocean zooplankton
therefore demonstrate that with the use of echo intensity data alone, gathered using hardware commonly ... upper 250 m of the water column. These layers were fished with a LonghurstHardy plankton recorder (LHPR ... ) and a multiple-opening 8 m2 rectangular mid-water trawl (RMT8). Analysis of catches suggested that ... copepod Rhincalanus gigas. Instrumentation on the nets allowed their trajectories to be reconstructed ...
Meeting Document : WG-EMM-97/54 : Autor(es): Watkins, J.L., Brierley, A.S., Goss, C., Ward, P.
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AN ECOSYSTEM-BASED MANAGEMENT PROCEDURE FOR KRILL FISHERIES: A METHOD FOR DETERMINING SPATIALLY-STRUCTURED CATCH LIMITS TO MANAGE RISK OF SIGNIFICANT LOCALISED FISHERIES IMPACTS ON PREDATORS.
. This framework formalises the decisions that need to be made in dealing with an ensemble of food web ... conditions to be achieved and the uncertainties that need to be managed and does not assume an understanding ... of predator-prey dynamics beyond that evident in the data. It is a natural extension of the current ... advice can be updated as improvements are made in any component of the procedure, including the provision ...
Meeting Document : WG-SAM-08/16 : Autor(es): A. Constable and S. Candy (Australia)
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An ecosystem-based management procedure for krill fisheries: a method for determining spatially-structured catch limits to manage risk of significant localised fisheries impacts on predators
. This framework formalises the decisions that need to be made in dealing with an ensemble of food web ... conditions to be achieved and the uncertainties that need to be managed and does not assume an understanding ... of predator-prey dynamics beyond that evident in the data. It is a natural extension of the current ... advice can be updated as improvements are made in any component of the procedure, including the provision ...
Meeting Document : WG-EMM-15/36 : Autor(es): A. Constable and S. Candy (Australia)
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Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
suggest that further data on the D. eleginoides population at Saunders island should be acquired, with ... . eleginoides in 48.4 South. We also propose that directed fishing on D. mawsoni should not be permitted in 2011 ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... second part of the experiment (2009 – 2011) show that although CPUE of D. eleginoides is very low there ...
Meeting Document : WG-FSA-11/38 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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Krill fishery report: 2007 update
the season is approximately 111746 t. This compares with 106589 t of krill reported in the STATLANT ... for krill in Area 48 in the 2006/07 season, and these vessels have taken 61876 t of krill to date. Two ... data for 2005/06. With the exception of Korea and Poland, all Contracting Parties have submitted ...
Meeting Document : WG-EMM-07/05 : Autor(es): Secretariat
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Developing high-resolution hydrodynamic models of the shelf regions around South Georgia and the South Orkney Islands
hydrodynamic models that will be used to examine the detailed oceanography of the South Georgia and South ... Orkney Islands shelves and surrounding regions. The models will be based on the NEMO-Shelf model, with ... Abstract: Many of the key oceanographic and ecological processes that determine the structure and ... the capability to resolve tides, atmospheric forcing, and sea ice processes, and with a ~3 km ...
Meeting Document : WG-EMM-14/08 : Autor(es): E.J. Murphy, E.F. Young, S.E. Thorpe, P.N. Trathan (United Kingdom) and O.R. Godø (Norway)
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Annual report of global toothfish trade data
importer, with 32.30% of global imports. Chile was estimated to be the largest exporter, with 15.26% of ... between global trade data and the CDS found that they are similar with a-2.29% difference in imports and ... sources for the trade of toothfish products for the 2017 calendar year. The analysis has identified that ... in 2017 toothfish was most commonly traded as an unprocessed frozen product which could be in various ...
Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Autor(es): CCAMLR Secretariat
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Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems
as it was deployed, were observed during 8-days' fishing of a New Zealand-owned tuna long-liner ... under thick cloud. Most bait-takes occurred in daylight, particularly before dusk. The vessel's ... (0.2711000 hooks set) is similar to that in the only other two reported studies. Seabirds scavenged ...
Meeting Document : WG-IMALF-94/10 : Autor(es): M.J. Imber (New Zealand)
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
be accompanied with krill biomass transport across the boundaries of the SSMUs. Our estimates of ... that krill transport estimates should be taken into consideration in the scheme for allocating the ... study area was totally replaced are presented. It is shown that in SSMUs the multiple total replacement ... krill flux out SSMU during fishing season appeared incomparable neither with the historical annual catch ...
Meeting Document : WG-EMM-05/41 : Autor(es): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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“Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the krill fishing in Antarctica
fishery in the Antarctic. The system will be equipped with echosounder and environmental sensors and will ... survey krill hotspots (in areas that are fished and unfished) and feed science and industry with data in ... productive interaction with potential users to ensure that the tailored system includes most of the users ... fishable biomass due to lack of density distribution information. In this paper, we demonstrate that new ...
Meeting Document : WG-EMM-18/15 : Autor(es): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann