Resultados de la búsqueda
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An index of per capita recruitment
cycles in recruits per spawner after a 20% random sampling error was added to the value of R1 used in the ... )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... rate. The intent of the index is to facilitate investigation of reproductive success and the factors ... postulated to affect it. The formulation of PCR is based on the assumptions that: 1) post-recruit mortality ...
Meeting Document : WG-EMM-99/50 : Autor(es): R. Hewitt (USA)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... work. This was presented to WG-SAM in 2014, and found that the models were unable to fit patterns in ... the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate ... of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ...
Meeting Document : WG-FSA-14/56 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Fishing and conservation in southern waters
and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted ... Abstract: Fishing in the Southern Ocean commenced on finfish in 1969/70 and on krill in 1972/73 ... . The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch ... . The krill catch from the Southern Ocean has been 4.9 million tonnes to date. More than 90 % of this ...
Meeting Document : SC-CAMLR-XII/BG/11 : Autor(es): Delegation of Germany
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CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
Abstract: The “CCAMLR-IWC Workshop to review input data for Antarctic marine ecosystem models ... ” will be held at the CCAMLR Headquarters in Hobart Australia on 11-15 August 2008. This paper provides ... an update on progress towards the holding of this workshop at the CCAMLR Secretariat. A revised ... budget is presented for consideration primarily to take account of the review materials being produced ...
Meeting Document : WG-EMM-08/15 : Autor(es): A. Constable and N. Gales (Co-conveners)
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CCAMLR ecosystem monitoring and management: future work
Abstract: Harvesting of marine living resources in the Southern Ocean is managed by the ... Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR). CCAMLR is widely known for ... its ecosystem-approach to managing fisheries with the maintenance of ecological relationships included ... in the conservation objectives. In the late 1980s, the precautionary approach of CCAMLR was ...
Meeting Document : WG-EMM-12/P05 : Autor(es): A.J. Constable
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Informe de avance sobre los fundamentos científicos para el establecimiento de un AMP de la CCRVMA en el Mar Weddell (Antártida)
Abstract: With this working paper the Delegation of Germany calls attention to the background ... document SC-CAMLR-XXXIII/BG/02. The document (in its final version) provides the scientific basis for the ... evaluation of marine protected areas (MPAs) in the Weddell Sea. At present the background document presents a ... comprehensive yet incomplete first version with chapters that have to be (further) developed or revised. The ...
Meeting Document : SC-CAMLR-XXXIII/08 : Autor(es): Delegation of Germany
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
Abstract: This paper provides an assessment of the long-term annual yield for three species ... caught as by-catch in the commercial trawl fisheries in the Heard Island area (Statistical SubArea 58.5.2 ... undertaken with the aim of examining the potential for the commercial trawl fisheries to significantly affect ... the spawning biomass of these stocks in the longer term. The long-term annual yield for each of the ...
Meeting Document : WG-FSA-97/30 : Autor(es): de la Mare, W.K., Williams, R., Constable, A.
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Fundamentos científicos de la propuesta conjunta de Nueva Zelandia y Estados Unidos para establecer un área marina protegida en la región del Mar de Ross
Abstract: The Commission has asked the Scientific Committee to review the science supporting a ... joint New Zealand-United States proposal to establish a marine protected area (MPA) in the Ross Sea ... Region (RSR). A substantial amount of material has already been presented to the Scientific Committee ... organize our summary by linking spatial data to the specific protection and scientific objectives of the ...
Meeting Document : SC-CAMLR-IM-I/08 : Autor(es): Delegations of the USA and New Zealand
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Overview of global trade in toothfish (Dissostichus spp.)
Abstract: Utilising the data collated by the United Nations Food and Agriculture Organisation’s ... GLOBEFISH unit, an analysis was conducted for the five-year period of 2012–2016 on the global trends of the ... toothfish trade and to assess the extent to which the Catch Documentation Scheme (CDS) for Dissostichus spp ... . Captures the global trade of toothfish. The analysis showed that over this five-year period quantity of ...
Meeting Document : CCAMLR-XXXVI/BG/05 Rev. 1 : Autor(es): CCAMLR Secretariat
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Información sobre la pesca ilegal en el Área estadística 58 Evaluación de la pesca ilegal en aguas francesas alrededor de las islas Kerguelén y Crozet Informe de las observaciones e inspecciones realizadas en el Área de la CCRVMA Temporada 2011/2012 (1 julio 2011 – 15 julio 2012)
Abstract: This document summarises French observations of illegal fishing for the past year ... . The geographical area covered in this report comprises Statistical Subarea 58.6 and Divisions 58.5.1 ... and 58.5.2 (which include the Crozet, Kerguelen and Heard and McDonald EEZs), Statistical Divisions ... 58.4.3, 58.4.4, (BANZARE, Elan, Lena and Ob Banks) and Subarea 58.4.1. Vessels on the CCAMLR black list ...
Meeting Document : CCAMLR-XXXI/35 : Autor(es): Délégation française