Résultats de la recherche
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Programme de marquage de la CCAMLR
basis of abundance estimation for toothfish. The Secretariat receives and stores data on all fish that ... are tagged and the subsequent recapture of those fish. Each recapture is linked to the tagging event ... growth of fish. CCAMLR uses a capture-recapture approach to estimate the abundance of toothfish. Vessels ... are required to tag and release fish during the course of their normal operations and to report all ...
Page : Site Section: Science
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of relative mortality and tag-detection rates
tagging, and size of fish tagged, makes meaningful comparisons between vessels difficult. We propose that ... , etc). We developed indices of (i) the mortality (or loss of all tags) of released fish and (ii) the ... detection rate of recaptured fish. This method was applied to the tagging data in CCAMLR Subareas 88.1 and ... CCAMLR of a number of toothfish fisheries in Antarctica, but the evaluation of tagging performance has ...
Meeting Document : WG-FSA-12/47 Rev. 1 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Foraging zones of the two sibling species of giant petrels in the Indian Ocean throughout the annual cycle: implication for their conservation
threatened by toothfish longline fisheries on shelf area of EEZs, and adult females as well as juveniles, are ... more likely to overlap with high sea longlining such as tuna fisheries. Author(s): L. Thiers, K ...
Meeting Document : WG-FSA-12/67 : Auteur(s): L. Thiers, K. Delord, C. Barbraud (France), R.A. Phillips (United Kingdom) and H. Weimerskirch (France)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper
and length frequency data. Although more than 700 tagged fish have been released in this region, only ... 2 fish have been recaptured. It is likely that the lack of tag recaptures in this region has been ... caused primarily by the poor spatial overlap of released tagged fish with subsequent fishing effort. By ... improving the spatial overlap of the location of tagged fish and subsequent fishing effort. We identify four ...
Meeting Document : WG-SAM-14/28 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)
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Management of VMS information by the Secretariat concerning catches of Patagonian toothfish beyond the Convention Area
time to the Secretariat, even when the captures take place outside the Convention Area. This document ... accordance with the terms contained in the attached document. Author(s): Delegation of Chile Title ...
Meeting Document : CCAMLR-XXIX/46 : Auteur(s): Delegation of Chile
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015–2018
continental slope within the Subarea 88.2 A. The present document is a new edition of the CCAMLR Document WG ...
Meeting Document : WG-FSA-15/27 : Auteur(s): Delegation of the Russian Federation
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Ross Sea Biodiversity, Part I: validation of the 2007 CCAMLR Bioregionalisation Workshop results towards including the Ross Sea in a representative network of marine protected areas in the Southern Ocean
Abstract: This report provides the scientific basis, validating the results of the CCAMLR ... meeting of CCAMLR's Scientific Committee and the Environmental Protocol's Committee on ...
Meeting Document : WG-EMM-10/11 : Auteur(s): D.G. Ainley, G. Ballard and J. Weller (USA)
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... krill recruitment and DPOI. Additionally, we calculated a new time series of DPOI from January 1952 to ...
Meeting Document : WG-EMM-05/17 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)
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The food and feeding of five species of icefish in the Elephant Island – South Shetland Islands Region in March 2003
fed on krill and fish with some differences found between Elephant Island and the South Shetland ... Islands. The bulk of the diet of C. rastrospinosus consisted of krill and fish. Diet intensity, however ... . georgianus was a fish feeder at Elephant Island and preyed on krill and fish further south. A large ... , was low due to the progressing spawning season. C. antarcticus took almost entirely fish while P ...
Meeting Document : WG-FSA-03/60 : Auteur(s): K.-H. Kock, H. Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany)
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Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program
fish age and growth studies, 8) hydroacoustic survey for krill around Elephant and King George Islands ... survey for fish and invertebrates around South Georgia, 4) measurements of air and surface water C02 ... , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval ... krill and associated measurements of sea surface temperature and chlorophyll-a, 11) observations of bird ...
Meeting Document : SC-CAMLR-VIII/BG/34 : Auteur(s): Delegation of USA