Resultados de la búsqueda
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A proposal for modifications to Standard Method C2: fur seal pup growth
discussion on the need to modify Standard Method C2: Pup growth. The issues discussed relate to the timing of ... sampling and the selection of animals to weigh. The following is a proposal on how the protocol and ...
Meeting Document : WG-EMM-02/52 : Autor(es): M.E. Goebel (USA)
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Abstract: The CCAMLR Ecosystem Monitoring Programme has been developing a techniques-which might ... attributable to loss of prey through fishing activities. The principal fishery in the CCAMLR area is the krill ... fishery and this paper examines ways in which the information being obtained from the Ecosystem Monitoring ...
Meeting Document : WG-KRILL/CEMP-92/04 : Autor(es): A. Constable (Australia)
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Are tagging targets set in appropriate terms?
Abstract: Currently the target tagging rate to be achieved by vessels fishing in the CCAMLR area ... is set in terms of the number of fish tagged per mass of fish caught thereby mixing “units” of ... measure. This note questions whether it is appropriate to set the tagging targets these terms and suggests ... that defining the target in terms of a percentage of the number caught may be more appropriate. Author ...
Meeting Document : WG-SAM-12/25 : Autor(es): R.W. Leslie and C. Heinecken (South Africa)
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plotImpact v2.0-2012
Abstract: Updated software is presented for the automated production of standardised image plots ... R library to assist the Secretariat or CCAMLR Working Groups in the production of integrated bottom ... fishing impact assessments, including routine update of the circumpolar impact assessment originally ... described in SC-CAMLR-XXIX/4, Appendix E. Author(s): D.N. Webber (New Zealand) (The R Library file is ...
Meeting Document : WG-FSA-12/55 : Autor(es): D.N. Webber (New Zealand) (The R Library file is available from the Secretariat on request)
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
Abstract: The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was conservatively ... estimated using the Chapman method as 621 tonnes. At a harvest rate of γ = 0.038 this would indicate a 2015 ... /16 yield of 24 t for the Antarctic toothfish in the region, compared to the previous 2014/15 ...
Meeting Document : WG-FSA-15/31 : Autor(es): N.D. Walker, V. Laptikhovsky, T. Earl and C. Darby (United Kingdom)
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Nuevo folleto de la CCRVMA
Abstract: The Secretariat proposes to develop an up-to-date, accurate, well-presented brochure ... describing the work of CCAMLR that is accessible for the general public. It would include relevant images and ... infographics to make the resource visually accessible. The proposal is to develop this brochure and consult on ... it through an e-group in the 2018/19 intersessional period. Author(s): CCAMLR Secretariat Title ...
Meeting Document : CCAMLR-XXXVII/16 : Autor(es): CCAMLR Secretariat
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Setting a minimum line length for line sink rate testing: a review of existing data and some preliminary proposals for CCAMLR consideration in revising Conservation Measure 24-02 (2004)
Abstract: This paper provides a brief descriptive analysis of some of the available data on the ... length of longlines used in exploratory fisheries and some of the data describing longline sink rate ... trials. In Sub-area 88.1 the maximum length of longline used by auto longline system vessels is ... approximately 15 000 m. The maximum length of longline used by Spanish longline system vessels is approximately ...
Meeting Document : WG-FSA-05/80 : Autor(es): N. Smith (New Zealand)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in ... summer months off the eastern South Georgia and at Shag Rocks. The length frequency modes amounted to 95 ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 was ...
Meeting Document : WG-FSA-00/33 : Autor(es): P. Gasiukov (Russia) and V. Bibik (Ukraine)
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REPORT FROM INVITED EXPERT TO WG-EMM-PSW-08
) participated in the WG-EMM Predator Survey Workshop as Invited Expert. The terms of reference for her ... participation were as follows: 1. Participate in the Workshop on Predator Abundance in June 2008 2. Provide ... best to fill those gaps 3. Assist in the preparation of a workshop report 4. Submit a post-workshop ... the Secretariat, in consultation with the Convener of the Predator Survey Workshop) Author(s): R ...
Meeting Document : WG-EMM-08/09 : Autor(es): R. Fewster (Invited Expert)
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A multi-frequency method for improved accuracy and precision of in situ target strength measurements
Abstract: The effectiveness of a split-beam echosounder system to delineate single scatterers and ... synchronized signals from two or more adjacent split-beam transducers of different frequencies. The accuracy of ... the method was determined through controlled test tank experiments using multiple standard spheres and ... 38 and 120 kHz split-beam transducers. Furthermore, by utilizing the angular position information ...
Meeting Document : WG-EMM-97/24 : Autor(es): Hewitt, R.P., Soule, M.A., Demer, D.A.