Resultados de la búsqueda
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Krill consumption by crabeater seals in CCAMLR Divisions 58.4.1 and 58.4.2
Abstract: As a contribution to the work program of WG-EMM-STAPP to estimate krill consumption by ... predators, this paper presents estimates of krill consumption by crabeater seals off East Antarctica between ... 64ºE-150ºE, which includes all of Division 58.4.1 and part of Division 58.4.2. Krill consumption by ... . Southwell, J. Forcada, L. Emmerson, A. Constable, S. Kawaguchi and P. Trathan Title: Krill consumption by ...
Meeting Document : WG-EMM-16/66 : Autor(es): C. Southwell, J. Forcada, L. Emmerson, A. Constable, S. Kawaguchi and P. Trathan
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
Abstract: A research plan for this subarea was commenced by Korea in 2016 and a revised ... collaborative proposal was submitted to WG-FSA-17 by Korea and New Zealand. This joint research proposal was for ... previous research by continuing to focus on those research blocks where tagged fish have previously been ... catch redistribution mechanism and to incorporate a milestone table as recommended by WG-SAM-18. Author ...
Meeting Document : WG-FSA-18/42 : Autor(es): Delegations of the Republic of Korea and New Zealand
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Preliminary estimation of ray by-catch in the longline fishery in Subarea 48.3
estimated total capture (ray numbers) for some of vessels fishing in Subarea 48.3 in 2001 by utilising new ... information collected by observers on the rays appearing during their tally period. This estimate is entirely ... composition and mean weight data we have extended the number estimate to give capture weight by species ... by-catch in the longline fishery in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/55 : Autor(es): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area
Abstract: Pilot studies were carried out in 48.3 in 2006 and in 88.1 and 88.2 in 2007 by the ... Argos Helena, testing 14/0 circle hooks and mackerel bait against hooks and bait routinely used by the ... similar effects on the catch rates of Dissostchus spp. and of all other by-catch species combined. However ... be endorsed by the industry, further mitigation research is required to determine a gear ...
Meeting Document : WG-FSA-07/33 : Autor(es): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)
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Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates
sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... more southerly positioned pack-ice edge. Whaling was also undertaken in the embayments created by the ... hydrographic fronts. These frontal features, by accompanying convergence or by coupling with krill specific ... concentrations exploited by Japanese krill trawlers and minke whates Approval: Approved ...
Meeting Document : SC-CAMLR-VIII/BG/31 : Autor(es): Delegation of Japan
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Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries
Paper Title: Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in ... BY-CATCH IN AUSTRALIAN SUB-ANTARCTIC TRAWL FISHERIES E.M. van Wijk , R. Williams and A.J ... sub-Antarctic waters of the Southern Ocean (Iwamoto, 1990). They are commonly caught as by- catch in ... by-catch comprises up to 17% of the total catch (SC-CAMLR, 1998). One of the objectives of CCAMLR ... , increased attention is now being focused on taxa that are most commonly caught as by-catch (e.g ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Autor(es): van Wijk, E.M., R. Williams and A.J. Constable
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Modelling the impact of fishery by-catches on albatross populations
shown marked declines in abundance throughout their range. These seabirds are frequently taken as by ... tuna longline fisheries south of 30 S, to model estimated by-catch levels and other population ... population), can be explained by the tuna longline by-catch. They further indicate that populations may be ... level of by-catch for these long-lived populations suggest great caution in any application of such ...
Meeting Document : WG-FSA-01/18 : Autor(es): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivity curves for toothfish taken by longliners around South Georgia and Shag Rocks over the period 1995 ... – 1999. This method was applied by WG-FSA-01, with minor amendments, to estimate annual age-specific ... . This removes some of the ad hoc nature of the former estimation method. The method is illustrated by ... for Dissostichus eleginoides taken by longliners in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/64 : Autor(es): G.P. Kirkwood (United Kingdom)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
. This paper describes a gillnet found abandoned by Australian vessel patrolling BANZARE Bank ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... of toothfish may be removed by a single vessel’s deployment of a 130 km long series of gillnets ... BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK) Approval: Approved Secretariat ...
Meeting Document : CCAMLR-XXVIII/BG/22 : Autor(es): Delegation of Australia
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The diet of the blue-eyed shag Phalacrocorax atriceps at Laurie Island, South Orkney Islands, as reflected by the analysis of stomach contents collected throughout the breeding season
Peninsula, South Orkney Islands, from 2 January to 18 February 1995, showed that fish were by far the main ... prey of the blue-eyed shag Phalacrocorax atriceps, followed by octopods, decapods and gammarids ... . Notothenia coriiceps constituted the bulk of the diet; however, its importance decreased by the end of the ... of the blue-eyed shag Phalacrocorax atriceps at Laurie Island, South Orkney Islands, as reflected by ...
Meeting Document : WG-EMM-95/81 : Autor(es): Coria, N., Barrera-Oro, E., Casaux, R.