Resultados de la búsqueda
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The fish diet of black-browed albatross Diomedea melanophrys and grey-headed albatross D. chrysostoma at South Georgia
Abstract: The fish component of the diet of black-browed and grey-headed albatrosses at South ... 1986 and 1994. Fish represented 30% and 72% by mass of the diet of black-browed albatrosses and 14% and ... 60% by mass of the diet of grey-headed albatrosses in 1986 and 1994 respectively. We determined the ... identity and quantified the contribution (by numbers, size and mass) of fish species mainly by using ...
Meeting Document : WG-EMM-96/11 : Autor(es): Reid, K., Prince, P.A., Croxall, J.P.
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On the intensity of sampling krill trawl catches
Abstract: This paper uses actual krill length frequency data in an attempt to address the problem ... from commercial catches. In addition, the possible effect of two other factors (within-trawl ... . The attention of WG-Krill is drawn to the following: * All measurements of length from commercial ... the minimum length differences between-catches which should be detectable. As far as possible ...
Meeting Document : WG-KRILL-90/27 : Autor(es): D.G.M. Miller (South Africa)
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The Ross Sea Region Marine Protected Area: Current proposal and looking forward
management. Since MPA planning commenced, CCAMLR has identified the Ross Sea as a key region in a ... representative system of Southern Ocean MPAs due to its scientific and biological value. The original joint US-NZ ... allowing for an economically viable toothfish fishery in the Ross Sea. Since 2012, Ross Sea region MPA ... reflected in the current proposal. Through this document, ASOC highlights the revisions made to the current ...
Meeting Document : CCAMLR-XXXIV/BG/27 : Autor(es): Submitted by ASOC
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PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
out aboard Polish vessel Dalmor II according to the pattern submitted in paper SC-CAMLR-XXVIII/BG/10 ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... trawling which influence the value of the Antarctic krill mortality rate are: the trawl configuration and ...
Meeting Document : WG-EMM-11/15 : Autor(es): L. Pshenichnov and K. Vyshniakova (Ukraine)
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Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions
Abstract: The CCAMLR system for assessing risk of fisheries mortalities to seabirds has been ... applied for 10 years and helps to define mitigation and monitoring requirements for fisheries within the ... waters of the CCAMLR convention area. Annual review of the information by used CCAMLR Working Group on ... Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ...
Meeting Document : WG-FSA-06/33 : Autor(es): S. Waugh (New Zealand)
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Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
Abstract: The Ross Sea Shelf Ecosystem (RSShelfE) offers the last chance to understand ecological ... oceans the systems used for understanding ecological processes and fishery effects all have lacked ... researchers who currently investigate open-ocean systems. Herein, the importance of top-down forcing in ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ...
Meeting Document : WG-EMM-04/20 : Autor(es): D. Ainley (USA)
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A survey plan of Japanese RV Kaiyo Maru in 2004/05 for the Ross Sea and adjacent waters, Antarctica
Abstract: The Japanese R/V Kaiyo Maru will survey to collect data simultaneously on ecological ... interaction f environment – Antarctic krill – whales in the Ross Sea and adjacent waters during December 2004 ... suggest high concentrated krill and whales such as the Scot Seamounts Island, the Balleny Islands, the ... shelf off the Victoria Land and the Bay of Whale Bay. The 175E line, especially, will be surveyed in ...
Meeting Document : WG-EMM-04/47 : Autor(es): M. Naganobu, K. Taki and T. Hayashi (Japan)
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Changes to the Statistical Bulletin
Abstract: Two recent changes have impacted on the compilation of CCAMLR’s Statistical Bulletin ... ) a revision of the boundaries in Division 58.4.3 and adjacent areas (agreed at CCAMLR-XX). The ... as complete STATLANT data records include a reference to the split-year and month when fishing ... occurred. However, in a small number of historic datasets, the months are not defined and change (1) was ...
Meeting Document : SC-CAMLR-XXII/BG/07 : Autor(es): Secretariat
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... gonads, fecundity, and condition by Fulton are described. The criteria of assessment of maturity stages ... of ovaries, cytological indices of oocytes, and the type of toothfish oogenesis are determined. It ... was established that in the period of fishing, females and males with gonads at maturity stage III ...
Meeting Document : WG-FSA-11/27 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)
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DEMOGRAPHIC STUDIES OF ANTARCTIC KRILL IN THE SOUTH ORKNEY ISLANDS AREA 2009, FIELDWORK AND PRELIMINARY RESULTS
(Euphausia superba) fishery with the vessel “ Saga Sea ” in the South Orkney Islands area. We present ... preliminary results regarding krill demography from the sampling period in January-March, 2009. Total body ... % adult males and ~64% adult females (overall adult sex ratio: 1:4). The proportion of immature krill was ... similar throughout the study period; whereas the proportion of males decreased and the female proportion ...
Meeting Document : WG-EMM-09/10 : Autor(es): B.A. Krafft and G. Skaret (Norway)