Resultados de la búsqueda
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Marine mammals and demersal longlines fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of the depredation level
and 2005. In Crozet waters, 71% of the 1308 longlines presented marine mammals interactions with ... % of the 6262 longlines monitored in the Kerguelen waters. Interactions occurred over the whole fishing ... . Depredation effect was assessed by comparing CPUEs of the longlines, in absence/presence of any marine mammals ... most of the interactions with the fishery. In Kerguelen waters CPUE tended to decrease in presence of ...
Meeting Document : WG-FSA-06/63 : Autor(es): C. Roche, N. Gasco, G. Duhamel and C. Guinet (France)
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Preliminary analyses in support of the CEMP Review Workshop: serial correlations
Abstract: As part of the preliminary analyses undertaken in preparation for the CEMP Review ... Workshop, the Secretariat has documented serial correlation in time series of CEMP indices. The values ... -03/24. Serial correlation in biological indices occurred in 4, 10 and 33 % of the time series at ... : Preliminary analyses in support of the CEMP Review Workshop: serial correlations Approval: Approved ...
Meeting Document : WG-EMM-03/27 : Autor(es): Secretariat
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... 1997 winter total and an 87 % decrease on the highest previous total (1992). The proportion of animals ... records started. Two animals (15 %) were entangled in polypropylene straps, down by 50 % on the 1997 ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Autor(es): Delegation of the United Kingdom
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Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3
fishing, in all or most SSMUs. We preliminarily attribute these results to the fact that none of the ... evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3 Microsoft Word ... for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... of the Convention. Management strategies for the krill fishery are currently comprised of an overall ...
Meeting Document : SC-CAMLR-XXXVII/BG/12 : Autor(es): Delegation of the USA
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Annual report of research fishing operations at Division 58.4.3a in the 2017/18 fishing season
tonnes of D. eleginoides in 58.4.3a. The data set, C2 and Observer data, were provided by the CCAMLR ... fishing season which means that some data may not be reflected in tables and figures at the time of ... Abstract: This paper presents the annual report of a multi-Member longline survey on Patagonian ... toothfish (Dissostichus eleginoides) in Division 58.4.3a in the 2017/18 fishing season by France and Japan ...
Meeting Document : WG-FSA-18/50 : Autor(es): Delegations of France and Japan
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ... simulations suggested that when the rate of natural mortality was assumed in an operating model, it was ...
Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn
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Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2
distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... ), and snow petrels (Pagodroma nivea). The highest species diversity was in waters north of about 70º S ... appeared to be generally uninterested in the line setting and were more likely to be well astern of the ...
Meeting Document : WG-FSA-04/42 : Autor(es): S.J. Baird (New Zealand)
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Distribution of the Soviet fishing fleet and catches (CPUE) in Subdivision 48.3 during 1986–1990
-scale management units determination. In this work the available data of haul by haul catch statistics ... distinguished in the area of underwater elevation formed by Shag Rocks in the Antarctic Circumpolar Current ... S.M. Kasatkina (Russia) Title: Distribution of the Soviet fishing fleet and catches (CPUE) in ... Abstract: Analysis of the fishing fleet operation is one of preconditions of krill fishery small ...
Meeting Document : WG-EMM-02/63 Rev. 1 : Autor(es): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia)
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Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap
the CCAMLR 2000 krill survey were used to identify the areas of potential overlap with fisheries in ... -specific differences in the characteristic scales which were of the order of 50- 100 km. Antarctic krill ... greatest potential overlap are within 150- 200 km of land and the extent of any such overlap in these areas ... distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries ...
Meeting Document : WG-EMM-02/14 : Autor(es): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)
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Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94
Abstract: Hatching season and larval growth of Pleuragramma antacticum in the water off Antarctic ... Peninsula were determined by the examination of growth increments in otoliths. The samples were collected by ... (54 inds. out of 77 fish larvae) in ichthyoplankton samples, and occurred mainly in cold water of the ... otolith cores was about 50 μm in diameter. The width of the growth increments was narrow near the core ...
Meeting Document : WG-EMM-96/65 : Autor(es): Cha, S.S., Lee, T.W., Kim, S.