Search results
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INCOMPLETE SEARCH EFFORT AS A POTENTIAL SOURCE OF BIAS IN BROAD-SCALE ESTIMATES OF PENGUIN ABUNDANCE DERIVED FROM PUBLISHED COUNT DATA: A CASE STUDY FOR ADÉLIE PENGUINS IN EAST ANTARCTICA
m2 and within 500 m of the ocean) in the Australian Antarctic Territory (AAT) was mapped using a GIS ... and 40% of the total potential habitat area. There were marked regional differences in search effort ... , and the majority of search effort occurred in the 1980s. Incomplete search effort is a possible source ... , and the literature reviewed for evidence of the mapped habitat being searched for occupation by ...
Meeting Document : WG-EMM-PSW-08/13 : Author(s): C. Southwell, D. Smith and A. Bender (Australia)
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On observations of ectoparasites of icefish Champsocephalus gunnari in Subarea 48.3 in March 1999
fishery for Champsocephalus gunnari in CCAMLR subarea 48.3. During the processing of catches taken in the ... area of the northwestern slope, two species of parasites were revealed: copepod Eubrachiella antarctica ... than 3.000 specimens of icefish has shown that the average infestation of fish with copepods ... ectoparasites of icefish Champsocephalus gunnari in Subarea 48.3 in March 1999 Approval: Approved ...
Meeting Document : WG-FSA-99/58 : Author(s): V.L. Senioukov (Russia)
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Estimation of toothfish distribution and population size in Subarea 88.3 by results of research longline fishing in 2011–2012
set at a depth from 625 to 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing ... . Collected from research fishing data contributes to the achievement of the main objectives of research- make ... estimation of toothfish quantity, as well as expand the knowledge about toothfish`s and by-catch species ... V.V. Akishin (Russia) Title: Estimation of toothfish distribution and population size in Subarea 88.3 ...
Meeting Document : WG-SAM-12/20 : Author(s): V.A. Tatarnikov, I.G. Istomin and V.V. Akishin (Russia)
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Characteristics of distribution of krill aggregations in fishing grounds off Coronation Island in 1989-1990 season
Author(s): S.M. Kasatkina and V.I. Latogursky (USSR) Title: Characteristics of distribution of ... krill aggregations in fishing grounds off Coronation Island in 1989-1990 season Approval: Approved ...
Meeting Document : WG-KRILL-90/20 : Author(s): S.M. Kasatkina and V.I. Latogursky (USSR)
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e-sc-xxi-a4.pdf
... Conservation Measures .......................................................... 166 Data Reporting ... types, the mean monthly CPUE and fishing patterns from three main regional fishery associations ... some information on krill density whereas a measure such as mean monthly CPUE per fishing day reflects ... within these thresholds and termed an ‘operation unit’. 2.31 Mean fishing position, fishing days, total ... and Organisation of the Meeting.............................. 128 STATUS AND TRENDS IN THE KRILL ... STATUS AND TRENDS IN THE KRILL-CENTRIC ECOSYSTEM ................... 139 Status of Predators, Krill ... presentation of a poster brought by Dr B. Bergström (Sweden). The poster was displayed in the coffee break ... was adopted (Appendix A). 1.8 The List of Participants is included in this report as Appendix B and
application/pdf attached to:WG-EMM-02Meeting Report : WG-EMM-02
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e-sc-xxvi-a7.pdf
... on the CV of mean recruitment; (iii) weighting datasets based on effective sample size analyses (described ... according to control decisions based on changes in CPUE trend and mean length of the catch. This MP has ... might not be precautionary if a drop in mean length accompanied with an increase in CPUE which, given ... in an operating model, since this would potentially affect mean length. Dr Brandão responded that this would ... control decisions based on changes in CPUE trend and mean length of the catch. This MP has been ... papers be prepared for WG-FSA-07 that provide a descriptive analysis of the tagging program in Division ... 58.5.1, and papers that update the descriptive analyses of tagging programs in Division 58.5.2 and ... different vessels across the fishery in Subareas 88.1 and 88.2. The spatial structure of the fishery, with
application/pdf attached to:WG-SAM-07Meeting Report : WG-SAM-07
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e-cc-xxv-a4.pdf
... the information contained in such reports had distinct benefits in monitoring compliance with conservation ... Compliance functions, which may also result in the creation of a part-time Compliance Administrator post ... . The Committee understood that the ramifications of separating these functions would be addressed in ... accordance with the principles outlined in CCAMLR-XXV/9, which includes the possible creation of a part-time ... post and re-assignation of functional tasks to the Science and Compliance functions as presented in
application/pdf attached to:SCAF-06Meeting Report : SCAF-06
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Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin
considered in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar ... distributed in the coastal zone of about 7-40 miles wide, further is situated the boundary zone at the ... Current and Weddell Scotia Sea water flow. It is shown, that small krill with the mode of about 33 mm is ... distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ...
Meeting Document : WG-EMM-03/40 : Author(s): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)
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Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks
estimates. For Patagonian toothfish in Subarea 58.4 the confidence intervals of both methods overlapped in ... underlying assumptions currently made in one or both of the methods are likely to be invalid. We recommend ... Abstract: This study has used bootstrap methodology to quantify the uncertainty in toothfish ... biomass estimates from Chapman mark-recapture and the CPUE-by-seabed area methods in Research Blocks in ...
Meeting Document : WG-SAM-17/12 : Author(s): L. Robinson, P. Burch and K. Reid
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Two species of toothfish in two basic longline fisheries regions – Patagonian toothfish in Subarea 48.3 (South Atlantic) and Antarctic toothfish in Subareas 88.1 and 88.2 (South Pacific)
Abstract: Now after more then 30 years studies a most valuable commercial (target) species in the ... CCAMLR Area two species of genus Dissostichus. They have wide circumpolar distribution but difference in ... latitudes of the boundaries area distribution Patagonian and Antarctic toothfish. Our comparison Patagonian ... show to us any similar features in the distribution and biology but some different characteristics ...
Meeting Document : WG-FSA-05/71 : Author(s): K.V. Shust, E.N. Kuznetsova, A.N. Kozlov, N.V. Kokorin and A.F. Petrov (Russia)