Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): Submitted by ASOC
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ASPA y ASMA
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 ...
Page : Site Section: Data
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Información adicional sobre las notificaciones de intención de participar en la pesquería de Euphausia superba 2014/15
Abstract: According to the requirements of Conservation Measure 21-03 (2013), this document ... provides information on net diagrams and exclusion devices of marine mammals used by the Chilean flag ... of Chile Title: Additional information on notification of intent to participate in the 2014–2015 ...
Meeting Document : WG-EMM-14/18 : Autor(es): Delegación de Chile (Disponible en inglés y en español)
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Krill Fishery Report 2015
Abstract: A consolidated summary of information related to the krill fishery, in a similar format ... the Scientific Committee. Alternative options for the presentation of time-series of the spatial ... distribution of catches are included. Author(s): CCAMLR Secretariat Title: Krill Fishery Report 2015 Approval ...
Meeting Document : SC-CAMLR-XXXIV/BG/21 : Autor(es): CCAMLR Secretariat