Resultados de la búsqueda
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Interactions between cetaceans and fisheries in Southern Ocean
Abstract: Soon after longlining on Patagonian toothfish (Dissostichus eleginoides) started in the ... Southern Ocean in the second half of the 1980’s, interactions of cetaceans with these fisheries became ... . Sperm whales became frequently entangled in the line and part of the line was lost in a number of cases ... . Other cetaceans were rarely seen in the vicinity of longline vessels. They became entangled in the line ...
Meeting Document : WG-FSA-05/11 : Autor(es): K.-H. Kock (Germany), M. Purves (South Africa) and G. Duhamel (France)
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Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2
in 2001 is most likely the result of the large abundance of 3 and 4 year-old fish in that year, which ... parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... Champsocephalus gunnari in Subarea 58.5.2 is described. For the trawl catch and effort data it was found the ... , after which time there was a sharp increase in 2001 with a steady decline thereafter. The sharp increase ...
Meeting Document : WG-FSA-03/35 : Autor(es): S.G. Candy (Australia)
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IUU Fishing in 2011/12 and development of methods to estimate IUU catches
Committee to give additional consideration, at their 2012 meetings, to methods to estimate trends in IUU ... paper includes: consideration of patterns and activities associated with IUU fishing in the CAMLR ... Convention Area the methodology used in estimating IUU catches and trends in the CAMLR Convention Area a ... fishing trends and catches in the CAMLR Convention Area. Author(s): Secretariat Title: IUU Fishing in ...
Meeting Document : WG-FSA-12/11 Rev. 1 : Autor(es): Secretariat
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
effort in Divisions 58.4.4a, 58.4.4b, 58.4.3a and 58.4.3b is presented. Information analysed corresponds ... to fishing logbooks recorded in the exploratory fisheries carried out between July 2000 and March ... 2012. During this period, a total of 9 countries registered fishing operations in which 1811 sets were ... Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ...
Meeting Document : WG-SAM-13/41 : Autor(es): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2009/10
Abstract: Seven Members submitted notifications for a total 13 vessels for krill fisheries in ... Subareas 48.1, 48.2, 48.3 and 48.4 and Divisions 58.4.1 and 58.4.2 in 2009/10. In addition, Norway notified ... for an exploratory fishery for krill in Subarea 48.6. Author(s): Secretariat Title: SUMMARY OF ... NOTIFICATIONS FOR KRILL FISHERIES IN 2009/10 Approval: Approved ...
Meeting Document : WG-EMM-09/07 : Autor(es): Secretariat
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CPUE and proportional recruit indices from Japanese krill fishery data in Subarea 48.1
Abstract: Proportional recruit indices and CPUE in Subarea 48.1 (Antarctic Peninsula region) from ... et al., 1997), and showed close relationship to sea ice indices. CPUE (catch/towing volume) in ... Livingston area showed a decreasing trend during the study period. Alternation of operational strategy in ... relation to the product quality and decrease of krill density in the areas were considered as the possible ...
Meeting Document : WG-EMM-97/35 : Autor(es): Ichii, T., Kawaguchi, S., Naganobu, M.
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CPUEs and body length of Antarctic krill during 1995/96 season in the fishing grounds around the South Shetland Islands
Abstract: This paper summarizes Japanese krill catch data during austral summer in 1995/96 season ... . Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... . CPUE in December was high but from January through June CPUE was comparable to the value of Livingston ... area in the previous fishing season. From January through early May, modal size of krill differed ...
Meeting Document : WG-EMM-97/36 : Autor(es): Naganobu, M., Kawaguchi, S., Ichii, T.
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POPULATION SUBDIVISION IN THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) REVEALED BY MITOCHONDRIAL AND NUCLEAR SINGLE NUCLEOTIDE POLYMORPHISMS (SNPS)
Abstract: The Antarctic toothfish (Dissostichus mawsoni) exhibits a circumpolar distribution in ... structure in this species, we examined four mitochondrial regions and 13 nuclear gene fragments in samples ... from four CCAMLR Subareas in the Southern Ocean (Australian Antarctic Territory (Subarea 58.4.2), Ross ... structure in this species. Author(s): K. Kuhn and P.M. Gaffney Title: POPULATION SUBDIVISION IN THE ...
Meeting Document : WG-FSA-08/P01 : Autor(es): K. Kuhn and P.M. Gaffney
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Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
Abstract: A preliminary histological analysis on the ovarian development in Champsocephalus ... commonly used. Oocytary resorption processes were observed during ovarian maturation. In some cases the ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ... similar to that reported for the same species in the 1991 summer season. Author(s): G.J. Macchi and E.R ...
Meeting Document : WG-FSA-94/28 : Autor(es): G.J. Macchi and E.R. Barrera-Oro (Argentina)
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Preliminary Results of a Bottom Trawl Survey Around Elephant Island in May/June 1986
fromboard RV "Polarstern" in May/June 1986 give some insight into spawning activities and changes ... in length compositions and biomass estimates in Notothenia rossii, N. gibberifrons, N. coriiceps ... only observed in N. c. neglecta, whereas very little or no spawning was evident for N. rossii, C ... . gunnari and Ch. aceratus. Peak spawning of N. c. neglecta is limited to only a few weeks. In populations ...
Meeting Document : WG-FSA-86/01 : Autor(es): K.-H. Kock (FRG)