Resultados de la búsqueda
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Fine-scale genetic investigation into Patagonian toothfish structure within the west Indian Ocean sector of the Southern Ocean
Abstract: Molecular markers were employed to investigate the fine-scale stock structure of ... Patagonian toothfish in the west Indian Ocean sector of the Southern Ocean. Four collections of toothfish ... genetically using two fragments of mtDNA and seven nuclear microsatellite loci. MtDNA haplotype diversity was ... sub-structuring among the collections. Genetic variance estimates of both mtDNA (?ST=-0.016) and ...
Meeting Document : WG-FSA-03/66 : Autor(es): S.A. Appleyard, R. Williams and R.D. Ward (Australia)
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Proposal to allow daytime setting of longlines between 15 and 30 April in the Patagonian toothfish longline fishery in CCAMLR Statistical Division 58.5.2
both of the longline vessels that operate in this fishery and in several seasons, and that no birds ... have been caught during this period. It proposes that the current restriction of night-setting only be ... removed and that daylight setting of longlines be allowed during the pre-season extension period, subject ... to the continuation of the current total catch limit of three birds per vessel applicable to the ...
Meeting Document : WG-IMAF-11/07 : Autor(es): I. Hay (Australia)
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SPATIAL PROTECTION AND MANAGEMENT OF ANTARCTIC MARINE BIODIVERSITY
April 2009). It provides information on the different objectives and types of marine spatial protection ... be made on establishing effective systems of marine spatial protection. It is concluded that ... establishment of effective, representative and coherent spatial protection of marine biodiversity, using the ... full range of tools available under CCAMLR and the ATCM. Cooperate as far as possible with the CEP to ...
Meeting Document : WG-EMM-09/09 : Autor(es): S. Grant (United Kingdom)
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IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES
Abstract: The aim of this document is to serve as an objective guideline to decide on an ... appropriate observer coverage to understand overall behaviour and impact of the fishery. CCAMLR Observer data ... as baseline to evaluate the level of observer coverage needed to achieve the CCAMLR objectives. The ... urgent need for capacity building by all fishing nations is re-iterated so that a large number of ...
Meeting Document : TASO-09/07 : Autor(es): Kawaguchi, S.
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A TIME FOR ACTION IN THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES
the ecosystem-based management of the krill fishery, including the adoption of a conservation measure ... that ensures systematic scientific observer coverage, the development of a coordinated research plan to ... address key scientific uncertainties at the SSMU level in Area 48, and the consideration of feedback ... precautionary measures to prevent concentration of catches in coastal areas as the fishery approaches the ...
Meeting Document : CCAMLR-XXVII/BG/24 : Autor(es): Submitted by ASOC
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Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... 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 ... , between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ...
Meeting Document : WG-EMM-08/33 : Autor(es): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)
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ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS
Norwegian fishery inherently gives Norway a responsibility to contribute to the management of the marine ... the Antarctic Ocean to do investigations on euphausiids and other key components of the ecosystem ... behaviour, measure target strength in situ, and of course verify the acoustic measurements biologically ... . Krill were identified from the relative frequency response of a 6-frequency hull-mounted echo-sounder ...
Meeting Document : SG-ASAM-09/08 : Autor(es): R. Korneliussen and G. Skaret (Norway)
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Preliminary results on the composition and abundance of the krill stock in the southern Bellingshausen Sea (Antarctic, CCAMLR Subarea 88.3)
south of 66°S, between 68°W and 120°W. Krill Euphausia superba abundance and biomass was in the lower ... range of values generally found in the Antarctic Peninsula and Elephant Island region. A distinct ... the East Wind Drift zone and larger ones further north under the influence of West Wind Drift waters ... recruitment success of the 1992/93 year-class in the region (R1 = 0.076). Both results indicate large scale ...
Meeting Document : WG-EMM-95/18 : Autor(es): Siegel, V.
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Growth of krill around the South Orkney Islands in 1989/90
Abstract: On the grounds of materials collected by biologists-02servers from October 1989 to June ... 1990 near South Orkney Islands the growth of males and females are characterized according to size ... distinguished. Period of the intensive growth of the males continued from December to April, and for the females ... 8-10 mm. The rate of growth for the males was higher among the small specimens and vice versa for ...
Meeting Document : WG-KRILL-93/36 : Autor(es): V.I. Latogursky (Russia)
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Drawing on international experience to improve performance of CCAMLR tagging programs
presented. The paper focusses on the design and implementation of toothfish tagging programmes, but many of ... Abstract: Mark-recapture methodologies are commonly used to inform the management of fisheries ... describe movement patterns relative to stock unit identification or to support spatial disaggregation of ... are unique, an evaluation of potential programme biases and corresponding information needs is ...
Meeting Document : WG-SAM-12/26 : Autor(es): S. Parker and S. Mormede (New Zealand)