Resultados de la búsqueda
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Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan
of sustainable yield for many these species were previously based on undocumented, ad-hoc analyses ... . We present estimates of sustainable yield for 50 of these stocks using two recently developed models ... requires Regional Fishery Management Councils to set annual catch limits for all stocks or stock complexes ... designed to inform management of data-poor stocks. These models rely on recently reconstructed time series ...
Meeting Document : WG-SAM-11/P1 : Autor(es): E.J. Dick and A.D. McCall
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Global MPAs and marine reserves: lessons learned and implications for CCAMLR
years), large (>100km 2) and isolated by deep water or sand” (Edgar et al. 2014). Two analyses of New ... achieve better conservation outcomes for marine areas. As these areas grow in number, it is important to ... statistically significant outcomes on fish population metrics, including: “no take, well enforced, old (>10 ... Zealand’s system of marine reserves, which has now been in place for several decades, indicate unexpected ...
Meeting Document : CCAMLR-XXXIII/BG/20 : Autor(es): Submitted by ASOC
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
. 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ... estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ... fishing areas monitored by two facilities, Center for Quantitative Fisheries Ecology (CQFE) and the ...
Meeting Document : WG-FSA-11/P01 : Autor(es): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass
appropriate adjustments for differences in sound speed between locations have been made. Here we present ... transducer gains were detected at both 38 and 120 kHz between calibrations conducted at the two locations. At ... 120 kHz, required Sv transducer gains were on average 1.4 dB less at South Georgia (sea temperature ... calibration parameters were to be employed on survey around South Georgia, and no account were taken of the ...
Meeting Document : WG-EMM-97/52 : Autor(es): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Argos Froyanes, United Kingdom
fish and collect information on the characteristics of the toothfish inhabiting the region. The vessel ... of 49 tonnes of D mawsoni and small catch of 29 kg of two D eleginoides was taken; 150 tagged fish ... , J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom) Title: Results of the longline survey for ... Abstract: A multi-year, multi-Member research program was established to map and sample the ...
Meeting Document : WG-SAM-15/31 : Autor(es): M. Soeffker, J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... Ecosystem (RSSlE). The RSShE is the last Large Marine Ecosystems on Earth (except the Weddell Sea) that has ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... model of international scientific cooperation and collaboration. The successful result is an incredible ...
Meeting Document : WG-EMM-02/60 : Autor(es): D. Ainley (USA)
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What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
Abstract: Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... the 1960’s. Commercial exploitation, primarily on mackerel ice fish, Champsocephalus gunnari, and ... 1978/79. The fishery was lucrative for a few seasons only, and was closed in 1989/90. Stocks of finfish ... initial sizes. Most information on biological parameters of finfish stocks stemmed from Soviet, Polish ...
Meeting Document : WG-FSA-00/14 : Autor(es): K.-H. Kock (Germany) and C. Jones (USA)
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Preliminary results of oceanological research of Ukrainian vessels in the CCAMLR area for the season 2017/18
Abstract: In the fishing season of 2018, three Ukrainian fishing vessels collected oceanographic ... research of Ukrainian vessels in the CCAMLR area for the season 2017/18 Approval: Approved Secretariat ... Workflow Status: Content Approved Delegation responsibility for releasing documents: Ukraine ...
Meeting Document : WG-SAM-18/27 : Autor(es): V. Paramonov
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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
recommendations for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean ... implementation based upon the results of the trials. Given the importance of an adequate catch rate for the ... Abstract: Four Operating Models (OMs) reflecting an “Optimistic”, “Intermediate”, “Less ... Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ...
Meeting Document : WG-SAM-08/11 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
minimizing conflict with the legal toothfish fishery. After collating all available distributional data on ... management zones: four IUCN Category Ia reserves (13% of EEZ); two Conservation Zones (21% of EEZ); and three ... : designing a marine protected area for the Prince Edward Islands Approval: Approved ...
Meeting Document : CCAMLR-XXV/BG/16 : Autor(es): Delegation of South Africa