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Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
entangled animals (four females, one juvenile male, and two pups). The total percentage of entangled animals ... vessels operating in CCAMLR039;s regulated areas of the Southern Ocean, with further instruction of ... in marine debris (neck collars) at SSSI N°32 and CEMP site 039;Cape Shirreff and San Telmo islets ... 039;, Livingston island, Antarctica, obtained during the summer seasons between 1988 and 1997. Our ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Автор(ы): Delegation of Chile
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... fifteen years gave large contribution to the total age groups for both sexes. Females grew at a faster ... of otolith readings by experienced readers of AAD. One of these is that the first ring was generally ... comments. The estimated ages ranged from 5 to 48 years for males and from 4 to 48 years for females. Ten to ...
Meeting Document : WG-FSA-11/16 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
0.21 tonnes. The vessel039;s fishing master had no experience of fishing for icefish and was not well ... Abstract: During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ...
Meeting Document : WG-FSA-98/53 : Автор(ы): G. Parkes, A. King and C. Jones (United Kingdom)
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Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica
’ S; 60º 27’ W), located on the Livingston Island (South Shetland Islands), Antarctica. Field work was ... de Medicina Preventiva Animal, Facultad de Ciencias Veterinarias y Pecuarias of the Universidad de ... Chile. The samples were tested by the conventional Rose Bengal test (RB) and two competitive enzymatic ... the etiology and their infection epidemiology in this region of the world. Author(s): O. Blank, P ...
Meeting Document : WG-EMM-01/48 : Автор(ы): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of ... , sagittal otoliths were examined from D. mawsoni that had been injected with oxytetracycline some years ... indicates that one translucent zone is formed annually in otoliths of post-mature D. mawsoni. Otoliths from ...
Meeting Document : WG-FSA-02/33 : Автор(ы): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Review of identity and biology of species of the family Macrouridae, from the CCAMLR fishery in the Ross Sea, Antarctica
males is 12 years and 46 cm TL, for females it was 14 years and 50 cm TL. Author(s): P.M. Marriott and ... geographic source of the aged sample. This confirms the preliminary age estimates from the ageing study ... their identity by NIWA researchers. Two species were found, Macrourus whitsoni and M. holotrachys. A ... previously aged sample from 1999 was confirmed as being M. whitsoni based on otolith comparisons and the ...
Meeting Document : WG-FSA-02/32 : Автор(ы): P.M. Marriott and P. McMillan (New Zealand)
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ... fishing areas monitored by two facilities, Center for Quantitative Fisheries Ecology (CQFE) and the ...
Meeting Document : WG-FSA-11/P01 : Автор(ы): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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Population subdivision and distribution of Euphausia superba in the region of the Antarctic Peninsula and adjacent waters in relation to fishery development
also off the Mordvinov Island. Seasonal coastward migrations (Siegel039;s suggestion) may actually ... ±41% and 1708±30% thousand tons in March and December-1984 respectively for the area south of 60°S ... Abstract: Analysis of original and literature data for the past 10 years pertaining to the region ... krill and the waters of two major circulation systems- those of the Weddell Sea and the Bellingshausen ...
Meeting Document : SC-CAMLR-VIII/BG/21 : Автор(ы): Delegation of USSR
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Focusing and testing fisher know-how to solve conservation problems: a common sense approach
, turtles and seabirds, can pose serious threats to specific animal populations causing public outcry and ... seabird mortality in two fisheries: the Puget Sound drift gillnet fishery for sockeye salmon and the ... model results in proof at two levels. At the practical level, fisher’s ideas are tested in the context ... regulatory, academic, and conservation communities. Author(s): E.F. Melvin and J.K. Parrish (USA) Title ...
Meeting Document : WG-FSA-03/20 : Автор(ы): E.F. Melvin and J.K. Parrish (USA)
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Review of biological parameters for Ross Sea skates
is 14 years. However this may be a considerable underestimate, and true longevity may exceed 20 years ... . Age at sexual maturity for A. georgiana is estimated to be about 6–7 years for males and 8–13 years ... Abstract: Biological parameters were reviewed and updated for the two main species of skates ... TL. Length at maturity of B. cf. eatonii is poorly determined, but is about 90–100 cm TL for males ...
Meeting Document : WG-FSA-06/31 : Автор(ы): M.P. Francis (New Zealand)
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