Résultats de la recherche
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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 : Auteur(s): N.D. Walker, V. Laptikhovsky, T. Earl and C. Darby (United Kingdom)
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Symposium du Comité scientifique
) Support: Dr David Ramm (CCAMLR Secretariat) Dr Keith Reid The Symposium will be held on 13 and 14 October ... 2016 at the CCAMLR Secretariat, Hobart, Australia. The Symposium will be conducted in the four official ... languages of the Commission and will be open to all Members and Observers to SC-CAMLR-XXXV. Detailed ... information is provided in the Scientific Committee Symposium 2016 information (95.34 KB) document. ...
Meeting
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Nouvelle brochure de la CCAMLR
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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Hewitt, R.P., Soule, M.A., Demer, D.A.
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Maintaining CCAMLR’s ambition on Marine Protected Areas
) in 2005. Now in 2014, despite commitment within both the Scientific Committee and the Commission and ... the concerted effort by CCAMLR Members, significant progress towards implementing a representative ... for CCAMLR’s representative system of MPAs and marine reserves. ASOC believes that the changes to ... proposed CCAMLR MPAs over the past several years have reflected a ‘lowest common denominator’ approach to ...
Meeting Document : CCAMLR-XXXIII/BG/24 Rev. 2 : Auteur(s): Submitted by ASOC
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Krill consumption by Adélie penguins in CCAMLR Divisions 58.4.1 and 58.4.2
Abstract: We estimate the total abundance of Adélie penguins foraging in Divisions 58.4.1 and ... revises known abundance upwards by including the large non-breeding population and estimating a larger ... breeding population than was evident from previous work. The population of breeding Adélie penguins was ... ) to March (end of moult)). We are currently extending the prey consumption model to estimate the ...
Meeting Document : WG-EMM-16/65 : Auteur(s): C. Southwell and L. Emmerson
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Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Spain
Abstract: We present preliminary results on age and growth of Dissostichus mawsoni for the third ... season (2015/16) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on ... otolith readings. It is included the growth parameters estimates by sex. Growth parameters obtained using ... :-0.1771 for males; and L ∞: 226.4, k: 0.05673 and t 0:-0.745 all combined. Values differ with the previous ...
Meeting Document : WG-FSA-17/66 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro