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Choosing distance between acoustic survey tacks
on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... Paper Title: Choosing distance between acoustic survey tacks Abstract / Description: A ... on the basis of typical size of the surveyed region, allowable relative error in the biomass ... estimate, and the variation coefficient of the density values of the krill concentrations. It is ... SURVEY TACKS I.L. Kalikhman, Z.I. Kizner, B.R. Zaripov, W.D. Tesler All-Union Research Institute of ... Krasnoselskaya, 17 Choosing the frequency of survey tacks is an important aspect of acoustic surveying ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Автор(ы): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Second International Fishers Forum: executive summary Western Pacific Regional Fishery Management Council
Abstract: While work to develop solutions to reduce the bycatch of seabirds and sea turtles by ... the waters of many nations during their life cycle. To further this cause, the Western Pacific Fishery ... , New Zealand in November 2000. IFF2 widened the focus of IFF1 to address the bycatch of sea turtles as ... 3, followed by a final day of concluding exercises and the production of an IFF2 Resolution. Title ...
Meeting Document : WG-FSA-03/25
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
the shelf. Catch-weighted length frequencies of mackerel icefish indicated that 3+ sized fish ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... prey that made a substantial contribution to the diet, occurring in 39.47% of stomachs. Catches of ... Patagonian toothfish were greater than in 2009 and 2010, with a large haul of 40-45cm fish (1.6t) around Shag ...
Meeting Document : WG-FSA-11/29 : Автор(ы): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Revised Management Plan for Cape Shirreff ASPA 149
through the Antarctic Treaty. The Management Plan for Cape Shirreff has been revised as part of the five ... data and scientific publications and on the basis of detailed Inspection Checklists completed by United ... guidance clarified through the designation of a Helicopter Access Zone (route of aircraft access) and a ... Restricted Zone (zone where all aircraft are prohibited). The boundary of the Protected Area has not been ...
Meeting Document : WG-EMM-10/21 : Автор(ы): P.A. Penhale (USA) and V. Vallejos Marchant (Chile)
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Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula
connectivity, by testing between rival hypotheses of population segregation and linkage. If independent ... , reduction in sea-ice along the WAP may lead to extinction of local populations through drastic mortality of ... populations at 1) the north tip of the Peninsula, and 2) the southern WAP encompassing Charcot Island and ... Marguerite Bay, with no mixing between. The presence of a single length mode at Charcot Island and Marguerite ...
Meeting Document : WG-FSA-10/16 : Автор(ы): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser
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LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ... approach that removes the problem of cohort determination. A stratified bootstrap technique (consistent ... with the current CCAMLR approach) is used to estimate the length distribution of the population from ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ...
Meeting Document : WG-FSA-09/27 : Автор(ы): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)
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Update on work to estimate krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2
Abstract: We outline progress on current work aimed to improve estimates of flying seabird ... abundance, and ultimately krill consumption, from land-based breeding bird counts of five species (Antarctic ... these Divisions and conclude that only 2-3% of potential flying seabird breeding habitat has been ... searched for breeding populations. We conclude that a compilation of historical population counts where ...
Meeting Document : WG-EMM-17/11 : Автор(ы): C. Southwell and L. Emmerson
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
development of stock structure hypotheses and spatially-explicit habitat-use models. Accordingly, this paper ... management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... reports on the development of generalised additive mixed models to characterise relationships between ... environmental variables and (1) relative density, (2) mean weight, (3) proportion mature and (4) sex ratio of D ...
Meeting Document : WG-FSA-17/16 : Автор(ы): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
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Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress
enhance its precautionary management of the krill fishery in line with Convention objectives. This paper ... compliance as they relate to the krill fishery. The paper concludes with a number of recommendations to make ... provides an update on the krill fishery; discusses the consideration of climate change in krill fisheries ... management; and addresses key aspects of krill research, ecosystem-based management, monitoring, bycatch, and ...
Meeting Document : SC-CAMLR-XXXVII/BG/17 : Автор(ы): Submitted by ASOC
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ООРА и ОУРА
designated under the Antarctic Treaty as areas of special scientific or biological significance. The ... Secretariat of the Antarctic Treaty manages a database on the locations of ASPAs and ASMAs, and information on ... their management plans and purposes for designation. The location of ASPAs and ASMAs are shown as a ...
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