Résultats de la recherche
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Start date of the CCAMLR fishing season for Antarctic krill
Abstract: In this paper we consider whether the CCAMLR fishing season for Antarctic krill should ... for management. We review data on the breeding phenology of predators, and use data from the CCAMLR ... Statistical Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ... S. Hill Title: Start date of the CCAMLR fishing season for Antarctic krill Microsoft Word File ...
Meeting Document : WG-EMM-16/16 : Auteur(s): P. Trathan and S. Hill
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The age structure and growth rate of Patagonian toothfish (Dissostichus eleginoides) at South Georgia
. Evidence for the separation of early year classes is presented along with mean sizes for each age class ... and 11 years. Author(s): M. Belchier (United Kingdom) Title: The age structure and growth rate of ... Abstract: New length-at – age data for South Georgia toothfish are presented from a range of ... sources. Data from the commercial fishery, research trawl surveys and pelagic plankton tows are combined ...
Meeting Document : WG-FSA-04/86 : Auteur(s): M. Belchier (United Kingdom)
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An introduction to the International Association of Antarctica Tour Operators (IAATO)
membership organization founded in 1991 to advocate and promote the practice of safe, environmentally ... Abstract: The International Association of Antarctica Tour Operators (IAATO) has been granted ... observer status at the thirty-seventh meetings of the Commission and Scientific Committee. IAATO is a ... majority of all private sector tourism to the Antarctic and Southern Ocean. This paper is a brief ...
Meeting Document : CCAMLR-XXXVII/BG/27 : Auteur(s): Submitted by IAATO
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The preparation of recommendations and standard procedures for krill acoustic surveys
and analysis. In the paper possibilities and approaches to preparation of recommendations for acoustic ... Abstract: Acoustic surveys are the most powerful tool of krill abundance estimation and ... surveys of different scales (macro, meso, micro) are reviewed. It’s concluded that the most items of the ... of the recommendations to be prepared by international group of specialists. Author(s): W.D. Tesler ...
Meeting Document : WG-KRILL-93/5 Rev. 1 : Auteur(s): W.D. Tesler (Russia)
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Birds: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... the two methods was 24.6%, with a mean difference of 10.4% (method 1 higher on average). In the ... ; Wilson et al. 1993). This may mean 8 they remain north of the Antarctic circle in winter (Ainley ... Ross Sea and major visitors to the region. Eleven species of birds are known to breed in the Ross Sea ... an annual energetic model to be created (all flying birds). First, in the absence of data and the ...
Document : Site Section: Publications
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Do the males of Dissostichus eleginoides grow faster, or only mature before females?
Helena and Cisne Verde during August of 1997-and utilized by the WG-FSA-97 to build the maturity ogives ... sex in samples coming from South Georgia Islands. The results show that the differences are due to ... maturity at age and not due to the growth rate. Based on this sample of 434 females and 398 males, it is ... the males of Dissostichus eleginoides grow faster, or only mature before females? Approval: Approved ...
Meeting Document : WG-FSA-98/16 Rev. 1 : Auteur(s): C.A. Moreno (Chile)
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Development of the acoustic survey database
, conductivity at depth, density estimate etc). The development of the trawl survey components has been reported ... to WG-FSA, and progress on archiving the acoustic data is reported here. In addition to the ... developments to date, WG-FSA’s Subgroup on Fisheries Acoustics (WG-FSA-SFA) has discussed the possibility of ... Secretariat has begun working with past and present conveners of WG-FSA-SFA to identify the group’s needs for ...
Meeting Document : WG-EMM-04/18 : Auteur(s): Secretariat
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Age and Growth of Pseudochaenichthys georgianus Norman, 1937 (Channichthyidae) from the South Georgia Area
Abstract: Age was determined on the basis of growth microincrements in otoltihs. A calibration ... formula was obtained: Age (days) = 131.24 + 27416.4*Otolith weight (mg) Using this equation the age of 237 ... : Age and Growth of Pseudochaenichthys georgianus Norman, 1937 (Channichthyidae) from the South Georgia ... subsample of 49 specimens (total length range: 3.9- 59.0 cm) was aged using optical sagittal and transverse ...
Meeting Document : WG-FSA-88/21 : Auteur(s): T.B. Linkowski and R. Traczyk (Poland)
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JGYM: a java version of the Generalised Yield Model
be given in the form of a Power Point presentation, will discuss how the JGYM was developed, indicate ... of the GYM has been developed. The new version has been developed directly from the specifications ... identical input, then this would be a major step towards a verification of the GYM. This paper, which will ... . Author(s): R.N. Vilhelm (United Kingdom) Title: JGYM: a java version of the Generalised Yield Model ...
Meeting Document : WG-FSA-SAM 03/16 : Auteur(s): R.N. Vilhelm (United Kingdom)
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Abundance, distribution, energy density and trophic position of euphausiids during winter 2012: preliminary results from the first US AMLR Winter Survey
sampling program to better understand winter conditions affecting the productivity and survival of ... reporting the distribution, size and properties of krill and other euphausiids and present some data on ... Abstract: The US AMLR Program has established a 5 year winter oceanographic and biological ... euphausiids in a changing ecosystem. Oceanographic sampling includes hydrographic measurements as well as ...
Meeting Document : WG-EMM-13/40 : Auteur(s): C. Reiss and C. Jones (USA)