Resultados de la búsqueda
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Modelling the circumpolar distribution of Antarctic toothfish using correlative species distribution modelling methods
two methods (BIOCLIM and Maxent). For simplicity models included two environmental covariates ... used to predict the circumpolar distribution of habitat suitability for Antarctic toothfish. Potential ... environmental covariates that could be included in these models are presented for discussion and feedback, as ... that may be included in future work. Methods for dealing with issues such as sampling bias in model ...
Meeting Document : WG-FSA-14/65 : Autor(es): L.M. Robinson, K. Reid (Secretariat)
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Calendar of meetings of relevance to the Commission in 2016/17
/17 Microsoft Word File: cc-xxxv-bg-30.docx Approval: Approved Secretariat Workflow Status: Content ... Approved Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXV/BG/30 : Autor(es): CCAMLR Secretariat
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THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
Abstract: Under Conservation Measure 41-01 (Annex C- Tagging Program for Dissostichus spp. in ... responsible for ensuring the tagging of Dissostichus spp., tag recovery and correct reporting. At CCAMLR XXVI ... (2007), “the Commission requested the Secretariat to annually prepare and submit a table for SCIC’s ... consideration containing data on individual Dissostichus spp. tagged and released, and the tagging rate reported ...
Meeting Document : CCAMLR-XXVII/BG/22 : Autor(es): Delegation of Australia
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The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution
density for the West Atlantic during FIBEX is used to obtain an upper limit for the biomass of krill in ... Abstract: Areal cover is calculated for the Statistical Sub-areas (48.1, 48.2 and 48.3) from ... computer software based on a Lambert Geographical Projection. As a secondary step, the mean krill density ... estimate for the West Atlantic during FIBEX (First International BIOMASS Experiment) is expanded to give a ...
Meeting Document : SC-CAMLR-VIII/BG/19 : Autor(es): Delegation of South Africa
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
Georgia for the eighth consecutive winter (1997) and tenth consecutive summer (1997/98) are reported here ... were from adult females, a much higher proportion than in previous years. The number of entanglements ... entanglements in packaging bands was higher than recent years in both summer and winter. Only one seal sustained ... the need for sustained monitoring and continuing publicity aimed at preventing the disposal of debris ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Autor(es): Delegation of the United Kingdom
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
trigger level that could be used to provide a basis for notification of a VME, based on CCAMLR Scientific ... for potential additional VMEs in Subarea 48.2 (not notified), based on rarity of taxa and/or ... Subareas 48.1 and 48.2). These areas, which have been proposed for inclusion in the CCAMLR VME registry ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ...
Meeting Document : WG-EMM-09/32 : Autor(es): S.J. Lockhart and C.D. Jones (USA)
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Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992
Abstract: Observations on abundance of by-catch fishes were made during the austral winter months ... of 1992 (from July 9 to August 3) on board F/V No.3 and No.5 Chiyo Maru in the vicinity of the South ... found in 20 trawl catches. Among by-catch fishes, juvenile Lepidonotothen larseni was the most abundant ...
Meeting Document : WG-KRILL-93/51 : Autor(es): T. Iwami (Japan)
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CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP
Abstract: This paper reports on the one-day workshop held at the CCAMLR Headquarters, Hobart ... , Australia on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed the ... might operate and the implications for its work. The workshop agreed that in future ad hoc WG-IMAF ... should continue to focus on the direct impacts of fishing and marine debris on seabirds and marine ...
Meeting Document : WG-FSA-08/65 : Autor(es): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)
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Population assessment of Antarctic toothfish in Subarea 48.4 using tag-recapture method
= 0.038) gives yields of 24 t for the Antarctic toothfish in the region vs. previous estimation of 30 ... Petersen method as 640 tonnes. Application of the harvest rate used for D. eleginoides in Subarea 48.3 (γ ...
Meeting Document : WG-FSA-13/64 : Autor(es): V. Laptikhovsky (United Kingdom)
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Status of white-chinned petrels Procellaria aequinoctialis Linnaeus 1758, at Bird Island, South Georgia
Abstract: The white-chinned petrel (Procellaria aequinoctialis) is an abundat, widespread petrel ... numbers in temperate and sub-tropical longline fisheries. However, no data are available on the global ... in each quadrat was consistent between each survey but we estimate an overall decrease of 28% in ... those occupied (with considerable variation between sites). Concurrent data on breeding frequency and ...
Meeting Document : WG-FSA-01/26 Rev. 1 : Autor(es): S.D. Berrow, J.P. Croxall and S.D. Grant (United Kingdom)