Résultats de la recherche
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Mortalidad incidental de aves en la pesquería de cherna con palangre semipelágico
Wreckfish (Polyprion americanus) and other fish species within the Uruguayan EEZ. Observers were trained in ... period. No significant differences in mortality were found between long line types, being higher in those ... comparing their abundance during line setting and resulting mortality. Difficulties were found in mitigation ... intermediate buoys. Although this fishery is no longer in Uruguay, the need to improve some information related ...
Meeting Document : WG-FSA-04/38 : Auteur(s): Y.H. Marín, A. Stagi and J. Chocca (Uruguay)
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
, the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ... the DWBA model is further explored. Results indicate that phase variability in the scatter from ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ...
Meeting Document : WG-EMM-02/50 : Auteur(s): D.A. Demer and S.G. Conti (USA)
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Longline fishing at Tristan da Cunha: impacts on seabirds
Abstract: Tristan da Cunha and Gough Islands in the central South Atlantic Ocean support globally ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest a ... bycatch rate of> 1 bird killed per 1000 hooks; this could be even higher in summer when more birds are ... from vessels fishing illegally in Tristan waters, as well as vessels in international waters that do ...
Meeting Document : WG-FSA-01/15 : Auteur(s): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ...
Meeting Document : WG-FSA-08/26 : Auteur(s): M.J. Dunn and C.M. Waluda (UK)
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East Antarctica Planning Domain MPA Planning Reference Document #1: Draft MPA Report Part 1 – the Planning Domain and Candidate MPAs
Abstract: A draft MPA Report for the East Antarctica Planning Domain was submitted to WG-EMM in ... following advice from Members of WG-EMM in 2014. This updated report is provided in three parts: Part 1- The ... proposed EARSMPA, the individual MPAs and Activities in the Planning Domain (WG-EMM-14/48, Sections 1, 4, 5 ... are presented in SC-CAMLR-XXXIII/BG/39 and SC-CAMLR-XXXIII/BG/40. Author(s): Delegations of Australia ...
Meeting Document : SC-CAMLR-XXXIII/BG/38 : Auteur(s): Delegations of Australia and France
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Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls
Abstract: This working paper presents the aims and methodology for a three-year-project ... (commenced in 2015) assessing size selectivity and escape mortality of Antarctic krill from trawl nets. The ... in Trawls (NEAT), presented in WG-EMM 2012/24, WG-EMM 2013/34, WG-EMM 2014/14 and WG-EMM 2014/16 ... experiment, model size selectivity and escape mortality in codends including different designs and assess the ...
Meeting Document : WG-EMM-15/14 : Auteur(s): B.A. Krafft (Norway), L.A. Krag (Denmark), B. Herrmann, A. Engås, I. Bruheim and S. Nordrum (Norway)
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Revisiting CCAMLR’s Approach to Management – A compendium of papers that explores the implementation of the CAMLR Convention
CCAMLR Symposium. We note that at last year’s meeting CCAMLR agreed to maintain MPA papers in one place ... and papers on topics of importance relevant to CCAMLR’s broader work such as those included in this ... compendium in one place on the CCAMLR website for ongoing use and easy reference. This will assist in the ... objectives and continue its leading role in the conservation of marine living resources through the ...
Meeting Document : CCAMLR-XXXIV/BG/26 : Auteur(s): Submitted by ASOC
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Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method
estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... 2016 and 38 and 200 kHz from March 6 to 14 and 38 and 120 kHz on April 27 and May 5 in 2017. Krill were ... and 83 thousand tonnes (CV=31.4%) applying S v difference-3.0-13.8 dB in 2017, respectively. Krill ... density and biomass were significantly higher in 2016 than those in 2017. Author(s): S. Choi, K. Lee and ...
Meeting Document : SG-ASAM-18/08 : Auteur(s): S. Choi, K. Lee and D. An
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Revisiting krill ageing method using eyestalk cuticles
promise in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves ... growth bands in the cuticle through multiple moulting processes is poorly understood, and is in fact a ... point of contention among crustacean researchers. Since the interpretation of growth bands in thin ... an inter-laboratory calibration should be undertaken as a community effort supported by CCAMLR, in a ...
Meeting Document : WG-EMM-2019/45 : Auteur(s): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada, C. Reiss, G. Zhu, B. Krafft, A.-L. Agnalt, T. Ichii and T. Matsuda
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Antarctic Climate Change and the Environment – 2019 Update
Abstract: This update by SCAR on recent advances in our understanding of climate change across ... ecosystems, builds on the material included in the Antarctic Climate Change and the Environment (ACCE) report ... , published by SCAR in 2009 (Turner et al. 2009), with an update of the key points in 2013 (Turner et al. 2014 ... abreast of recent advances in climate science, with a particular focus on Antarctic climate change and the ...
Meeting Document : SC-CAMLR-38/BG/17 : Auteur(s): Submitted by SCAR