Resultados de la búsqueda
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
Abstract: Three basic length groupings of krill were identified with the clustering analysis on ... the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... southern branch of the Antarctic Circumpolar Current (ACC). The middle-length grouping and the small-length ...
Meeting Document : WG-EMM-04/27 : Autor(es): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... utilize stocks properly, especially relate to reproductive mechanism. Therefore, the Korean scientists ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C-a based on the histological ... season. The ratio of female of D. mawsoni collected in SSRU 58.4.1C-a during the 2012/2013 season was ...
Meeting Document : WG-SAM-13/27 : Autor(es): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... utilize stocks properly, especially relate to reproductive mechanism. Therefore, the Korean scientists ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... season. The ratio of female of D. mawsoni collected in SSRU 58.4.1C during the 2012/2013 season was 0.54 ...
Meeting Document : WG-FSA-13/45 : Autor(es): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of toothfish in Subarea 48.6. The stock sizes for five research blocks (486_1, 486_2 ... , 486_3, 486_4 and 486_5) were estimated by the Petersen estimator and the CPUE x seabed analogy method ... using effective data on tagging experiment and appropriate reference areas for the CPUE method ...
Meeting Document : WG-SAM-14/01 : Autor(es): Delegation of Japan
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Modelling Southern Ocean krill population dynamics: biological processes generating fluctuations in the South Georgia ecosystem
Abstract: Variability is a key feature of the pelagic ecosystems of the Southern Ocean and an ... important aspect of the variation is fluctuation in the abundance of krill, the major prey item of many of ... the higher predators. Direct impacts of variability in the large-scale physical environment, such as ... changes in ocean circulation, have been suggested as the main factor generating the observed fluctuations ...
Meeting Document : WG-EMM-01/53 : Autor(es): E. Murphy and K. Reid (United Kingdom)
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BIOLOGICAL PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR
Abstract: The issue of bioprospecting has been a constant item on the agenda of ATCM since 2003 ... . Last June, ATCM XXXI discussed the report from an Intersessional Contact Group (ICG) that was ... established to examine the issue of Biological Prospecting in the Antarctic Treaty Area. Although increasingly ... used in International legal and policy frameworks addressing genetic resources, the term bioprospecting ...
Meeting Document : CCAMLR-XXVII/BG/36 : Autor(es): Submitted by IUCN
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Biomass abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1)
(September-October 2006) off the Kerguelen Islands (division 58-5-1), the northern part of the Kerguelen ... Plateau. The sweep-area method was used in the range 100 and 1000 m with random stratified stations of ... bottom trawling. Estimations of biomass and abundance are provided for eight commercial species. The ... total biomass reaches 245 000 tonnes and the Patagonian toothfish Dissostichus eleginoides produces half ...
Meeting Document : WG-FSA-07/16 : Autor(es): G. Duhamel and M. Hautecoeur (France)
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Scientific requirements for an orderly development of the krill fishery
Abstract: At CCAMLR XXV Australia presented the results of the BROKE-West acoustic krill biomass ... survey. These were used by the Scientific Committee to recommend to the Commission a revised ... tonnes). During the Commission deliberations on this issue Australia noted that while the scientific data ... supported the large increase in the precautionary catch limit, such a large increase required the inclusion ...
Meeting Document : WG-EMM-07/23 : Autor(es): A. Constable, G. Slocum and S. Nicol (Australia)
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
Abstract: The living conditions of Champsocephalus gunnari in the eastern, western shelf areas of ... South Georgia and at Shag Rocks are different. The length-age structure of C.gunnari groupings ... inhabiting the areas at Shag Rocks and South Georgia is characterized with the lack of fish below 11 cm in ... length and older than 6-7 years (10-11 years in the South Georgia area) and considerably lower number of ...
Meeting Document : WG-FSA-04/40 : Autor(es): Zh.A. Frolkina and I.A. Trunov (Russia)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
) of fish in the catch, determining the ages in the sample, and calculating proportions in each age ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... to the SRS of ages, which have also been measured for length (the age-length sample), a large SRS ... where fish are measured only for length and tallied by length bins (the LF sample). The ALK method uses ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Autor(es): S.G. Candy (Australia)