Résultats de la recherche
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
Abstract: The suite of data quality metrics introduced by Middleton & Dunn (2008) is examined ... rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ...
Meeting Document : WG-SAM-09/19 : Auteur(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Community Structure of copepods in epipelagic layers in the Ross Sea and neighboring waters
groups by cluster analysis based on species abundance and composition. Group 1 located in the north of ... the Southern Boundary of the Antarctic Circumpolar Current was characterized by high abundance (157.5 ... the Ross Sea (175°E; north of 72°S, 170°W; north of 75°S) was characterized by high abundance (22.6 ...
Meeting Document : WG-EMM-08/36 : Auteur(s): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Circumpolar Current in the Southwestern Atlantic Ocean. Mean values differentiated sampling areas by up to 2.6 ... with depth and improved cross-validation by 14%, giving 85% classification rates to South American and ... between zones separated by strong trends like fronts. Author(s): J.R. Ashford, A.I. Arkhipkin and C.M ...
Meeting Document : WG-FSA-08/P04 - Abstract : Auteur(s): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996
two years of the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of ... , Gobionotothen gibberifrons, Chaenocephalus aceratus have been considerably affected by fishing. Stocks of G ... . gibberifrons and C. aceratus had apparently recovered to a large extent by the second half of the 1980s. C ...
Meeting Document : WG-FSA-97/27 : Auteur(s): Kock, K.-H.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
-exploitation survey estimate of kril1 biomass are extended to incorporate most of the amendments specified by ... . Three alternative fishing seasons are considered. The model extensions requested by the Third Meeting ... fishing mortality, as specified by the Fourth Meeting, results in marked reductions in the probabilities ...
Meeting Document : WG-KRILL-93/42 : Auteur(s): D.S. Butterworth, G.R. Gluckman, R.B. Thomson and S. Chalis (South Africa)
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
Abstract: The incidence of entanglement in man-made debris by Antarctic fur seals (Arctocephalus ... as part of an ongoing study by the British Antarctic Survey. A minimum of 8 seals were sighted ... , followed by twine (16.7%) and fishing net fragments (16.6%). Apart from the increase in the incidence of ...
Meeting Document : CCAMLR-X/BG/05 : Auteur(s): Delegation of UK
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Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
growth at Bird Island had declined to below 3% annually by 1988 compared with rapid growth (17%) in 1958 ... survival rate in the 1988 sample was probably caused by emigration brought about by high densities of ...
Meeting Document : WG-CEMP-91/21 : Auteur(s): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
Subarea 48.3 since 1977 but have never been fully assessed by the Working Group on Fish Stock Assessment ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ...
Meeting Document : WG-FSA-90/06 : Auteur(s): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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Première évaluation de la performance de la CCAMLR
review of the organisation during 2008. CCAMLR’s decision provided for the review to be carried out by a ... panel appointed by the Commission composed of nine persons as follows: four internationally recognised ... Environmental Protection; an expert nominated by CCAMLR non-governmental observers; and three external experts ...
Page : Site Section: The Organisation
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
Ross Sea region to investigate spawning dynamics of Antarctic toothfish, as requested by the Scientific ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... objectives are to investigate the potential dispersion of eggs and larvae by studying the characteristics of ...
Meeting Document : WG-SAM-15/47 : Auteur(s): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)