Resultados de la búsqueda
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Research concept on catchability to study toothfish abundance/stocks in the Antarctic marine areas
Abstract: Main two methods, which are used for the estimation of abundance/stocks of toothfish in ... CPUE data. But calculation of toothfish abundance with using these methods demands a number of ... assumptions, which sometimes broaden too much the possible values of the calculated parameters. The authors ... present a method approach concerning possible use of a bottom trawl survey to estimate a minimum ...
Meeting Document : WG-SAM-18/19 : Autor(es): K. Demianenko, L. Pshenichnov, O. Diripasko and V. Gurianov
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Revisión del enfoque precautorio para garantizar el uso racional del recurso vivo Dissostichus eleginoides en la Subárea 48.3
. This paper reviews the long-term decline in the size structure of Patagonian toothfish (Dissostichus ... the start of the 2000s until now, longline fishing in the South Georgia area has targeted immature ... fish smaller than 100 cm. The issue of non-rational use of the Patagonian toothfish stock in Subarea ... 48.3 is examined. Author(s): Delegation of the Russian Federation Title: Revision of the ...
Meeting Document : CCAMLR-38/31 Rev. 2 : Autor(es): Делегация Российской Федерации
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Data collection and sharing
next few years, for both krill and other species, will increase the scale and complexity of data ... development of more integrated approaches to planning and utilising information from ecological monitoring is ... the period of re-design and transition, and any such needs should be identified and addressed. These ... tasks need to be considered in the light of the resources allocated to them by the Commission. SC (2008 ...
Page : Site Section: The Organisation
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Different CPUE types in Soviet krill fishery statistics in 1977–1992
values of CFD and CEFD, and CFD and CH. Instead, correlation between daily values is rather low, due to ... high fluctuations in hauls duration caused by fishery strategy directed to different final product of ... , number of hauls per day ranged from 1 to 15, mainly 2-4, hauls lasted from 0,1 to 16 hours, mainly 3-8 ... higher number of hauls per day. The histograms of distribution of various CPUE, hauls duration, number of ...
Meeting Document : WG-EMM-03/35 : Autor(es): F.F. Litvinov, A.Z. Sundakov and V. Arkhipov (Russia)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
preliminary analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 ... from April to July 1999. The overall average catch rate of rays was 0.7/thousand hooks, compared with ... models demonstrated that there are significant differences between the catch rates of rays for different ... vessels, areas, and depths in Subarea 48.3. Some vessels, fishing on the northern shelf edges of both Shag ...
Meeting Document : WG-FSA-99/40 : Autor(es): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Climate change and precautionary spatial protection: seasonal sea ice
little changed by human activities, particularly by the impacts (either direct or indirect) of marine ... harvesting. If CCAMLR is to embrace the wider implications of climate change in the context of ecosystem ... change, both in the presence of and absence of harvesting. We therefore recommend that locations ... currently covered by seasonal sea ice (as of 2011) could be considered for creation as restricted use Marine ...
Meeting Document : WS-MPA-11/18 : Autor(es): P.N. Trathan and S.M. Grant (UK)
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JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
Abstract: This document introduces the recent activities and outcome of Japanese scientific ... grounds of the Japanese fishery were the Subareas 48.1, 48.2, and 48.3. Recent observation effort was ... are analyzed through a cooperative scientific network on Antarctic ecosystem. Biological analysis of ... the incidentally caught species yielded guidelines for sampling and species identification of larval ...
Meeting Document : WG-EMM-09/19 : Autor(es): M. Kiyota and T. Iida (Japan)
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
released on the slope, whilst also prospecting two of the northern seamount complexes and two boxes on the ... southern shelf, where little or no fishing has occurred. The main objective of the proposal is to determine ... the abundance of Antarctic toothfish in Subarea 88.3. Secondary objectives are to improve ... understanding of stock structure of toothfish in this area, to carry out calibration trials between the two ...
Meeting Document : WG-FSA-18/42 : Autor(es): Delegations of the Republic of Korea and New Zealand
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Aligning toothfish fishery status with the CCAMLR regulatory framework
Convention Area is intended to be guided by CCAMLR’s regulatory framework. However, the status of toothfish ... with the regulatory framework. This can be accomplished through developing and adopting a suite of ... fishery status based on their stage of development. Here, specific examples of toothfish fisheries with a ... status of closed and exploratory as set out in conservation measures, and that of the regulatory ...
Meeting Document : WG-FSA-2019/66 : Autor(es): C.D. Jones
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Decadal trends in the South Georgia demersal fish assemblage
on the Shag Rocks and South Georgia Shelf region between 1986 and 2013. Consistent hotspots of fish ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ... not uniform between strata. Trends in SSB for the five most abundant species of the South Georgia ... shelf show no consistent trends between species. There is evidence of increasing biomass in the marbled ...
Meeting Document : WG-FSA-13/26 : Autor(es): M. Belchier (United Kingdom)