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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
-weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File: 09-Shilbanov.pdf ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... , % 60 -40 20 n=1470 2. 3 Lt 5 6 Age, years Figure 2: Age composition of P.g. shagensis in ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ... of 2 to 5 years are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Автор(ы): Shlibanov, V.I.
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Oceanic circumpolar habitats of Antarctic krill
Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming Title: Oceanic circumpolar habitats of Antarctic krill Approval: Approved Secretariat Workflow Status: Content Approved Document
Meeting Document : WG-EMM-08/P04 - Article : Автор(ы): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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Otolith chemistry indicates population structuring by the Antarctic Circumpolar Current
Author(s): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams Title: Otolith chemistry indicates population structuring by the Antarctic Circumpolar Current Approval: Approved
Meeting Document : WG-FSA-08/P05 - Article : Автор(ы): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams
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e-sc-xxxii-a04.pdf
... available for recapture, especially from years in which the tag-overlap statistic was low. One appropriate ... fish’s release and in subsequent years. (v) Proponents should estimate the number of expected tag ... to obtain a stock assessment in a reasonable time period (e.g. 3 to 5 years). (vi) There is no ... based on the numbers of tagged fish released in previous years, and noted that WG-SAM-13/09 identified
application/pdf attached to:WG-SAM-13
Meeting Report : WG-SAM-13
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Status of the Polish FIBEX acoustic data from the West Atlantic
/ Description: Acoustic data from the Polish FIBEX survey in the West Atlantic were analysed using recent ... densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... in the Bransfield Strait. These results are discussed in the context of spatial and seasonal ... focus of commercial fishing activity in recent years (cf. Everson and Goss, 1991; Ichii et al., 1994 ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract Acoustic data from the Polish FIBEX survey in ... , 1991a). This analysis indicated that the acoustic densities of hi l l in the oceanic parts of the ... density. High acoustic densities of krill(77 g m-') were also present in the Bransfield Strait. These ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Автор(ы): Trathan, P.N., J. Kalinowski and I. Everson
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from Southern ... used in marine ecosystems in which diet determination by more direct methods is difficult and sometimes ... misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... elephant seals (Mirounga leonina) in 1988 (n=53) at South Georgia. Lipids were extracted and fatty acid ...
Meeting Document : WG-EMM-99/44 : Автор(ы): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
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WG-KRILL-91
krill at 136 and 20 kHz S.M. Kasatkina (USSR) WG-KRILL-91/30 Analyses of acoustic line-transect data ... Tuesday, 30 July 1991 Submissions Due: Monday, 8 July 1991 Meeting documents Doc Number Title WG-KRILL-91 ... environmental conditions in the fishing areas and adjacent waters R.R. Makarov and V.V. Maslennikov (USSR) WG ... -KRILL-91/11 Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South ...
Meeting
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
penguins (WG-FSA- 08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ... (Table 1). In 2010/11, the fishing season was from 1 December 2010 to 30 November 2011, with a catch ... /10 and 2010/11 was from the research surveys in those years. ANI 48.3 2 1.2 IUU catch 2 ... ). Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988 ...
Document : Site Section: Publications
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WG-EMM-17
SC-CAMLR–IWC workshops in 2018 and 2019 M. Belchier (Chair of SC-CAMLR) WG-EMM-17/16 Rev. 1 Progress ... . Tarling and P. Ward WG-SAM-17/30 Scientific background document in support of the development of a CCAMLR ... at the Palacio San Martín (San Martín Palace) in Buenos Aires, Argentina. Videos in our support forum ... available in English only). Meeting documents Doc Number Title SC-CAMLR-XXXVI/06 Report of the Meeting of ...
Meeting
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Proposals on standardization of toothfish resource research
discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... -year international research program implemented in Subdivision 58.4.1., such as the lack of ... regarding the longline survey methodology in Division 58.4.1. It is shown that the methodology of modern ... mandatory for all ships participating in the survey. At the same time, methodological aspects of the multi ...
Meeting Document : WG-SAM-2019/34 : Автор(ы): S. Kasatkina
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