Resultados de la búsqueda
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Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
Abstract: Estimates of bird catches by IUU fishing made using the new method presented by Agnew ... and Kirkwood last year (WG-FSA-02/4 & 5) are updated to take account of the comments of the ... working group. Last year we suggested that the Isabel data from 1997 were rather atypical of bird catch ... rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ...
Meeting Document : WG-FSA-03/56 : Autor(es): D.J. Agnew (United Kingdom)
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Estimating penguin populations using image analysis of colour aerial photography
Abstract: Penguin populations are potentially sensitive indicators of change in the Antarctic and ... sub-Antarctic and are used extensively to monitor changes in the marine ecosystem. Aerial photographic ... surveys may provide the most robust method for estimating breeding population size, particularly for large ... carried out manually by counting individual birds on highly magnified prints. Here we present the results ...
Meeting Document : WG-EMM-02/34 Text : Autor(es): P.N. Trathan (United Kingdom)
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Krill fishery information
Abstract: This paper reviews information from krill fisheries operating in the CCAMLR Convention ... Area during the period July 1999 to June 2001. During that period, 14 vessels targeted krill in Area 48 ... during the 1999/2000 season (July 1999 to June 2000). A total of 104259 t of krill was caught, of which ... in Area 48, and the total catch of krill reported during that period was 30175 t. The 2000/01 fishing ...
Meeting Document : WG-EMM-01/7 : Autor(es): Secretariat
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Reducing seabird by-catch with an underwater longline setting funnel
Abstract: We tested the efficacy of a Mustad underwater setting funnel to reduce seabird bycatch ... in a demersal longline fishery for Patagonian toothfish Dissostichus eleginoides. The funnel, which ... deploys the longline 1-2 m beneath the sea surface, was used on 52% of 1714 sets (total effort 5.12 ... bait loss on sets through the funnel. Overall bird bycatch rate was low (0.022 birds per 1000 hooks ...
Meeting Document : WG-FSA-00/29 : Autor(es): P. Ryan and B. Watkins (South Africa)
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CCAMLR’s next steps to stop IUU fishing
Abstract: Illegal, unreported and unregulated (IUU) fishing continues to be a problem in the ... Convention Area, undermining the intrinsic values of CCAMLR and of the Antarctic Treaty. In spite of the ... CCAMLR Members can take individually and collectively to eliminate IUU fishing in the CCAMLR Area. At ... for the effective implementation of those enhanced port State measures by developing countries. At the ...
Meeting Document : CCAMLR-XXX/BG/22 : Autor(es): Submitted by ASOC
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ANALYSIS OF ROSS SEA TAGGING AND RECAPTURE RATES
year and recapture year for tags released and recaptured in the same SSRUs on the slope of 88.1 was ... compiled for the years 2003-2006. Recapture rate was expressed as tags captured/tags released/fish scanned ... (caught), all in numbers. 2. The overall size of the dataset was 734 combinations of release year ... has not been consistent enough between nations to allow the analysis to be definitive. In many cases ...
Meeting Document : WG-SAM-08/07 : Autor(es): D.J. Agnew (UK)
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Análisis de amenazas potenciales de la pesca para los objetivos del AMP propuesta para la región del Mar de Ross
Abstract: We present an analysis of potential threats from fishing to the achievement of MPA ... objectives identified in the Ross Sea region MPA proposal submitted jointly by New Zealand and the USA ... . Ecosystem threats from fishing potentially undermine the requirements of Article II(3) paragraphs b and c ... and scientific objectives were always implicit in the systematic process of MPA design used by New ...
Meeting Document : SC-CAMLR-IM-I/09 : Autor(es): Delegations of New Zealand and the USA
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Operational difficulties in exploratory fisheries
the vessel has conducted research activities under CM24-01 in division 58.4.4 since 2008 and provided ... significant scientific information on toothfish. For the rational utilization of toothfish resources in data ... -poor areas, we understand that tag-recapture research plays a central role for the stock assessment so ... conducting our research, we experienced operational difficulties that could diminish the effectiveness of the ...
Meeting Document : WG-SAM-13/22 : Autor(es): N. Miyagawa, J. Okamoto, N. Akimoto and K. Hirose (Japan)
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Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls
Abstract: The overall purpose of this study was to estimate the mortality rate of Antarctic krill ... (Euphausia superba) that escape from the most common mesh size used in the current commercial fishery. The ... experiment was carried out on the krill fishing grounds off South Orkney Islands (60°35’S, 45°30’W), during ... January-February 2014. The method applied consisted of a covered trawl codend system for retaining ...
Meeting Document : WG-EMM-14/14 : Autor(es): B.A. Krafft (Norway) and L.A. Krag (Denmark)
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Standardisation of commercial CPUE
Abstract: This paper reports analysis of CPUE data on cod in the Barents Sea. The potential of ... vessel trawling operations take place at acceptable proximity in time and space. The methodological ... approach might be of interest for the longline fishery for tothfish as well as for the trawl fishery on ... space, and their fishing power relative to a standard vessel is calculated. The model is applied to a ...
Meeting Document : WG-SAM-15/P01 : Autor(es): A. Salthaug and O.R. Godø