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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
ELEGINOIDES) G. Parkes Marine Resources Assessment Group 8 Prince's Gardens, South Kensington London SW7 ... Casilla 567, Valdivia, Chile G. Pilling Marine Resources Assessment Group 8 Prince's Gardens, South ... 1989/90. Since then the reported catch has been in the region of 3 000 to 4 000 tonnes, with the ... size, and that this reduction would be indicated by a significant decline in an abundance index with ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Autor(es): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3a
began as a new fishery in 1997 (Conservation Measure (CM) 113/XV). Following the Commission’s decision ... Convention Area had rendered it unrealistic to consider this fishery as ‘new’ (CCAMLR- XVIII, paragraph ... ecological considerations, and two new divisions were formed: Division 58.4.3a (Elan Bank) and Division ... . in each of these new divisions, outside areas of national jurisdiction. Figure 1: General map ...
Document : Site Section: Publications
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
quantified the survival and recruitment rates needed to maintain resilient penguin populations with a model ... monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ... collected by this camera network, and camera-based estimates of age at crèche are on par with those based on ... within each gSSMU. This decision rule is intended to provide the Commission with advance opportunity to ...
Meeting Document : WG-EMM-16/46 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
suffered substantial declines during the period the fishery was open. Most fish stocks, with the exception ... relationships of fish species with each other, predator-prey relationships both with other fish species and ... seals and birds, the food consumption of fish species, and their interactions with the environment ...
Meeting Document : WG-FSA-00/14 : Autor(es): K.-H. Kock (Germany) and C. Jones (USA)
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Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12
2010/11 fishing season with the aims of providing the data required for assessments of the population ... with those estimated using the simple Petersen. Therefore we think that the result using the simple ... . We propose to continue the mark-recapture experiment in SSRUs B and C in the 2011/12 season, with ... studies, tagging rate of 5 fish / ton will be conducted. The comparison test with the experimental gear ...
Meeting Document : WG-FSA-11/15 Rev. 1 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13
2011/12 fishing season with the aims of providing the data required for assessments of the population ... of 20 % achievable from Petersen biomass estimates may be achieved within three years with an annual ... experiment in SSRUs B and C in the 2012/13 season with slightly modified designs, considering security of ... of ≥ 5 fish / ton will be conducted. The comparison test with the experimental gear, which consists ...
Meeting Document : WG-SAM-12/17 : Autor(es): Delegation of Japan
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
physical forcing (e.g. advection and retention). Some areas, often associated with topographical features ... dynamics over time with respect to spatial distribution and demographical composition of krill including ... generally a clear diel vertical migration pattern with deeper and vertically more compact swarms during ... daytime than night-time. However, there was days with very small differences in distribution between day ...
Meeting Document : WG-EMM-14/15 : Autor(es): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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Development of a five-year work plan for the CCAMLR Scientific Committee
with input from the conveners of its working groups and that it should be made available for ... fisheries Target Stock-Development of management advice consistent with Article II for data-limited ... tasks have been identified along with science topics to be considered in order to carry out the tasks. A ... tasks are based largely on table 1 of SC-CAMLR-XXXV along with consideration of discussion arising from ...
Meeting Document : WG-EMM-17/02 : Autor(es): M. Belchier (Chair of SC-CAMLR)
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
Australian (n= 185) and Eastern Australian (n= 104) whales. These were compared with sequences of humpback ... addition, the Antarctic samples were analyzed with a set of eleven microsatellite DNA loci (independent ... suggested the following: i) Western Australian whales distribute mainly in Areas IV, and probably mix with a ... substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ...
Meeting Document : WG-EMM-2019/67 : Autor(es): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
the FPRV Dorada. Sixty-three random trawls were undertaken, with 12.3 tonnes of mackerel icesfish ... ), with Antarctomysis sp. (A. ohlini and A. maxima) and Themisto gaudichaudii the other main prey species ... made in association with both demersal and pelagic data and will help discriminate icefish from other ...
Meeting Document : WG-FSA-06/51 : Autor(es): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)