Resultados de la búsqueda
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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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A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound
through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... abundance of Antarctic toothfish. A pilot season was carried out in 2014, where sampling gear and ... methodology for a standardised hook and line survey were trialled in McMurdo Sound. Data collected will be ... mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ...
Meeting Document : WG-FSA-15/33 : Autor(es): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)
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Estimating seabird by-catch in CCAMLR longline fisheries
Abstract: After many years of close to zero incidental seabird mortality in the longline fishery ... throughout the CCAMLR Convention Area, recent years have seen an increase in Subarea 48.3 and in Division ... the observer data and to estimate total seabird mortality. Given the high profile of this issue in ... CCAMLR, there is a need for clarity in the data and methods used to report seabird mortality totals ...
Meeting Document : WG-FSA-17/50 : Autor(es): C. Darby and K. Olsson
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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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Regional catch analysis of the longline fishery of Dissostichus eleginoides (Pisces: Nototheniidae) in Chile
patagonian toothfish (Bacalao de profundidad), Dissostichus eleginoides, has been developed are based in ... statistics published by the SERNAP (National Fishery Service). It shows that activity has lasted few years in ... each geographic region considered. As captures have decreased in the northern zone, the artisanal fleet ... has migrated towards south, concentrating actually in the X Region of Chile and we attract attention ...
Meeting Document : WG-FSA-91/10 : Autor(es): C. Lemaitre, P. Rubilar, P. Gebauer and C.A. Moreno (Chile)
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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)