Résultats de la recherche
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
the krill biomass status, is it high, medium or low at the present time. The comparative analysis of ... Abstract: One of the important problems in interpreting CCAMLR-2000 results is how they reflect ... krill biomasses derived from trawl catches was carried out; retrospective data of three Soviet surveys ... , covering the main part of the CCAMLR-2000 area, were used: RV “Argus” (27.01.84-16.03.84) and RV “Evrika ...
Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
Abstract: Age and growth of spiny icefish, Chaenodraco wilsoni, were investigated using counts of ... January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ...
Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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Dietary segregation of krill-eating South Georgia seabirds
Abstract: The diets of six of the main seabird species (two petrels, two albatrosses, two ... penguins) breeding at Bird Island, South Georgia were studied simultaneously during the chick-rearing ... . The size of the krill taken was similar between seabird species, although there were small but ... significant differences between penguins and the other species. Sex and reproductive status of krill. however ...
Meeting Document : WG-EMM-97/15 : Auteur(s): Prince, P.A., Croxall, J.P., Reid, K.
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Revised impact assessment framework to estimate the cumulative footprint and impact on VME taxa of New Zealand bottom longline fisheries in the Ross Sea region
framework at different spatial scales, and implications for the validity of the underlying structural ... likely impacts of bottom longline fishing on vulnerable benthic invertebrate taxa, termed Vulnerable ... Marine Ecosystems (VMEs), consistent with the requirements of Conservation Measure 22-06 (Bottom fishing ... routine application by Members submitting notifications of their intent to participate in new or ...
Meeting Document : WG-SAM-10/20 : Auteur(s): B.R. Sharp (New Zealand)
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REPORT OF SANCTIONS APPLIED BY SPAIN
Hobart Australia Madrid, 21 October 2010 Dear Sir, Re: CCAMLR-IUU I am writing to you to inform you of ... San 33, neither of them flagged to Spain – which were included in the CCAMLR list of illegal vessels ... (as being operated by the commercial company Vidal Armadores S.A. – as indicated to you at the time ... did not provide proof or evidence in support of this action. However, as a result of the inspection of ...
Meeting Document : CCAMLR-XXIX/BG/37 : Auteur(s): Delegation of Spain
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Analysis of catch and effort data in SSRUs 882A–B North from the 2015 fishing season including comparisons with data from exploratory fisheries and closed areas
Abstract: At the 2015 meetings of WG-FSA and the Scientific Committee, the UK, New Zealand and ... Norway noted that they would perform an analysis of CPUE variability, haul duration and haul speed from ... the 2015 survey of the northern region of SSRUs 88.2A–B, including a comparison with all exploratory ... within the range of that observed in other exploratory fisheries and similar to those typically observed ...
Meeting Document : WG-SAM-16/16 Rev. 1 : Auteur(s): K. Large, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2018/19 by Japan, South Africa and Spain
integrated assessments of the D.mawsoni stock in this subarea. The Working Group recommended that Spain ... should coordinate its research efforts with Japan and South Africa and encouraged the submission of a ... multi-Member proposal for consideration at WG-FSA (pargraph 6.29). The three-member research proposal ... for 2018/19 season is presented to ensure continuity of previous research activities. Data and ...
Meeting Document : WG-FSA-18/34 : Auteur(s): Delegations of Japan, South Africa and Spain
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Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part II: The Crozet oceanic zone
Abstract: This report is a presentation of environmental information on the Crozet oceanic zone ... aims to determine the prerequisites at the environmental or biodiversity levels to propose new ... . The natural reserve is actually limited to the 12 nautical miles surrounding 4 islands of the ... oceanic zone (Koubbi et al., 2012). This report is gives: 1. A summary of the ecological ...
Meeting Document : WG-EMM-16/54 : Auteur(s): P. Koubbi, C. Mignard, R. Causse, O. Da Silva, A. Baudena, C. Bost, C. Cotté, F. D'Ovidio, A. Della Penna, K. Delord, S. Fabri-Ruiz, M. Ferrieux, C. Guinet, C. Lo Monaco, T. Saucède and H. Weimerskirch
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
sea ice at that time. Author(s): D. Stevens, D. Di Blasi and S. Parker Title: Results of the first ... Abstract: The first winter longline survey of Antarctic toothfish in the northern Ross Sea region ... was successfully completed during June and July 2016. A total of 55 longlines sets were completed in ... the 4 strata, and 55.2 t of Antarctic toothfish and 3.4 t of Patagonian toothfish were caught ...
Meeting Document : WG-FSA-16/37 : Auteur(s): D. Stevens, D. Di Blasi and S. Parker
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
Chapman-estimates to achieve a 25% level of accuracy at least 50% of the time, required a minimum of 6 ... impact on the numbers of tagged fish recaptures and accuracy of tag-based estimates using the Chapman ... estimator. The results showed that tag-based biomass estimates obtained from a low numbers of recaptures ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ...
Meeting Document : WG-SAM-17/13 : Auteur(s): L. Robinson, P. Burch and K. Reid