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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
Paper Title: Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description: Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... further adopted 15 smallscale management units (SSMUs). The intent was to subdivide the precautionary ... that krill catches be reported at a scale of 10 by 10 n mile squares by 10-day periods at the end of ... to the fi shery should be determined after accounting for predator demand; if the estimate of ... catch may be distributed among SSMUs after considering both the standing stock of krill and predator ... to year depending on the value of a predator index which would be measured near the beginning of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Autor(es): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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Cycles of Euphausia superba recruitment evident in the diet of Pygoscelid penguins and net trawls in the South Shetland Islands, Antarctica
proportionately more females when the krill population was dominated by large adults at the end of the cycles; net ... compared to those from scientific net surveys in the South Shetland Islands from 1998-2006 in order to ... sustaining the population during each cycle. Penguin diet samples contained adult krill of similar lengths to ... reported elsewhere in the region and are likely driven by the availability of different sizes and sexes of ...
Meeting Document : WG-EMM-07/P2 : Autor(es): A. Miller and W. Trivelpiece (USA)
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The CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean
biodiversity hotspots. At the end of five years of extensive biodiversity exploration and assessment by the ... detecting impacts of environmental changes, developing the bio/ecoregionalisation of the Southern Ocean ... Census of Antarctic Marine Life (www.caml.aq), with 19 CAML-dedicated cruises in the whole Southern Ocean ... , and following the intense compilation efforts of biogeographic data by the SCAR-Marine Biodiversity ...
Meeting Document : CCAMLR-XXX/BG/11 : Autor(es): Submitted by SCAR
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Preliminary information on inshore demersal fish from the Danco Coast, Antarctic Peninsula, in the 1999/00 summer season
around the South Shetland Islands at the end of the 1970s was responsible for the decrease in the inshore ... ), Danco Coast, West Antarctic Peninsula, in the summer season of 2000. The families Nototheniidae ... , Channichthyidae and Bathydraconidae were represented being Notothenia coriiceps the dominant fish of the area ... . Gobionotothen gibberifrons and Trematomus newnesi followed in importance. In general, the ichthyofauna agreed in ...
Meeting Document : WG-FSA-00/63 : Autor(es): R. Casaux, E. Barrera-Oro, A. Baroni and A. Ramón
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Continuation in the 2014/15 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
with the age-growth study by otoliths reading will allow a robust stock assessment by the end of this ... Abstract: In the 2012/13 fishing season Spain began implementing a multi-annual Research Plan for ... : depletion and tagging. This research will continue in the 2014/15 season if ice conditions allow for the ... vessel's operations, fulfilling Spain's commitment to return to the same fishing areas in order ...
Meeting Document : WG-SAM-14/09 : Autor(es): Delegation of Spain
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Proposal to continue the time series of research surveys to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea in 2013
endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ... . The first survey was successfully completed in February 2012 and the results presented to the 2012 ...
Meeting Document : WG-SAM-12/28 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean Abstract / Description ... ) squamifrons), inhabiting areas of the Ob and Lena Banks and the Kerguelen Island Shelf, are presented in this ... paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... from the tip of the snout to the end of the urostyle). Fish weight was determined to the nearest gram ... mature fish aged 8 to 10 and towards the end of life by a maximum of 1 cm. Maximum increase in weight ... 5-to 8 (f = 7 years). At the beginning of exploitation in the Kerguelen Islands area the bulk of ... , (Le. to the point at which the sclerites begin to merge). The results of the count were processed on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Autor(es): Zaitsev, A.K.
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
estimates are near the middle to upper end of the range of ages at maturity for skates worldwide. Author(s ... caudal thorns, were used to estimate the ages of Amblyraja georgiana from the Ross Sea. Caudal thorns ... viewed with transmitted white light provided the clearest growth bands, but reading precision was low ... , producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not been validated. The ...
Meeting Document : WG-FSA-04/29 : Autor(es): M.P. Francis and C. Ó Maolagáin (New Zealand)
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Update on the external review of the Generalised Yield Model (GYM) software and manual
independent experts to conduct the review; • Reviewer to complete the review by end of June 2004 and report to ... Abstract: In 2003, WG-FSA requested that the Secretariat supervise an external review of the GYM ... software and manual (SC-CAMLR-XXII, Annex 5, paragraph 9.18). The key steps in this proposed review ... included: • Members providing guidance on the scope of the review; • Members proposing appropriate ...
Meeting Document : WG-FSA-SAM-04/05 : Autor(es): CCAMLR Secretariat
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
Island and the eastern end of King George Island; the second and third surveys covered approximately 2100 ... Abstract: The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... to mid-March, 1994. The first and last surveys covered approximately 15,000 n.mile2 around Elephant ...
Meeting Document : WG-Joint-94/09 : Autor(es): R.P. Hewitt and D.A. Demer (USA)