Résultats de la recherche
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Some considerations on the usefulness of CPUE data from Japanese krill fishery in the Antarctic
on the information recorded on log book. While searching behaviour seems to be the basis of this ... fishery, CPUE in terms of catch per minute of towing was thought to be an useful index of patch density ...
Meeting Document : WS-KCPUE-85/04 : Auteur(s): Y. Shimadzu and T. Ichii (Japan)
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REPORTS UNDER ARTICLES X, XXI AND XXII OF THE CONVENTION AND CONSERVATION MEASURES 10-06 AND 10-07 – IUU FISHING AND IUU VESSEL LISTS 2009/10
respect of vessels which could be included on a Draft Contracting or non-Contracting Party IUU Vessel ... any vessels which could be removed from the adopted IUU Vessel Lists in accordance with Conservation ... reports had been received in respect of vessels which could be considered for removal from the CP or NCP ... would be deemed removed from the CP-IUU Vessel List once China had formally informed the Commission that ...
Meeting Document : CCAMLR-XXIX/16 : Auteur(s): Secretariat
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ... 1994, and females in 1995 and 1996. This could be explained by differential maternal expenditure ... ). Further conclusions will have to be tested with larger data sets in order to establish possible ... explained by pup growth rates until present. Pup growth rates might be influenced indirectly by sea-ice ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Auteur(s): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
Abstract: Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... employed, the ALK method can be used to obtain unbiased estimates from age-length samples that have been ... ). LBrs can be easily implemented by directing observers to sample length-bins for fish to have their ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Auteur(s): S.G. Candy (Australia)
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
not in sampled area, have to be assumed to be near or under ice feeding on juvenile krill and fish ... efficiency in food assimilation. This behavior save them before to be driven to open pelagic water and ensure ... near Eastern shores of South Georgia where water is warmer and sheltered before to be driven to Eastern ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Auteur(s): R. Traczyk (Poland)
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
factors. This paper reviews the scientific information of whales that could be indicative of changes in ... investigate the plausibility of this hypothesis it will be necessary to obtain information on krill biomass ... the information is scattered and needs to be combined with new surveys in a comprehensive and ... consistent way so that a time series can be obtained. Author(s): Y. Fujise and L.A. Pastene Title ...
Meeting Document : WG-EMM-16/64 : Auteur(s): Y. Fujise and L.A. Pastene
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Preliminary assessment of the South Georgia ray populations
conservative, low value of r thought to be representative of long-lived rajids, but conducted sensitivity tests ... current catches appear not to be significantly impacting the ray population, trends to deeper water ... longliners) should continue to be observed closely. Future analyses should make use of the increasing ...
Meeting Document : WG-SAM-07/11 : Auteur(s): D.J. Agnew, R. Mitchell, T. Carruthers, J. Roberts, R. Hillary and J. Pearce (United Kingdom)
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Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation
Mantel test. From a conservation perspective, low levels of genetic diversity may be indicative of ... relatively small populations that would not be able to withstand heavy commercial fishing pressures. Given ... that there is evidence for significant genetic structure, it will be important to manage these ...
Meeting Document : WG-FSA-01/69 : Auteur(s): R.W. Parker, K.N. Paige and A.L. DeVries (USA)
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Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas
differences between our estimates and others can be explained by a number of factors such as: an ... that used in the past. The seasonal and local consequences of elevated catch limits will have to be ... statistical divisions as management areas will have to be considered. Author(s): S. Nicol, A. Constable and T ...
Meeting Document : WG-EMM-99/22 : Auteur(s): S. Nicol, A. Constable and T. Pauly (Australia)
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DEVELOPING OPTIONS TO BUILD CAPACITY IN SCIENCE TO SUPPORT SC-CAMLR
scientific advice from the Scientific Committee (SC‐CAMLR) needed to be improved through (i) an increase in ... spend preparing analyses for the meetings and attending meetings, (2) the mechanisms that could be ... increased awareness and understanding of the work of SC‐CAMLR, and (3) the mechanisms that might be ...
Meeting Document : SC-CAMLR-XXVIII/12 : Auteur(s): Delegations of Australia, the United Kingdom and N