Résultats de la recherche

1. Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls

   (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 ... size selectivity in the trawl body forward of the codend. Based on end results from the preceding ...

   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)

2. 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

3. 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

4. Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update

   that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the ... investigate the impact of physical and behavioural processes on the distribution of krill in this area, at ... simulated transport to the South Orkneys region demonstrates spatial and temporal variability in input and ... being investigated, which will include examination of the role of tides in determining on-shelf ...

   Meeting Document : WG-EMM-18/06 : Auteur(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner

5. Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral summer 2018

   of 2018 as a complement to finfish research in Subareas 48.1 and 48.2 using bottom trawling nets. The ... geographical distribution of krill concentrations and the presence of fish shoals are described in an area of ... the greatest presence in the studied area, are described, mainly to the north of both islands ... . Likewise, mackerel icefish (Chamsocephalus gunnari) are identified, forming large concentrations in steep ...

   Meeting Document : WG-FSA-18/05 : Auteur(s): N.A. Alegría and P.M. Arana

6. 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

7. 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

8. Analysis of krill catch data from continuous and conventional trawls by the Saga Sea and Atlantic Navigator

   Abstract:  In this paper we analyse data on the distribution of catches, the size of krill and ... bycatch of larval fish taken by the Saga Sea fishing with continuous trawls in 2006, and the Atlantic ... Navigator which fished in 2005 using both continuous trawling and conventional trawling. The sizes of krill ... are few data for comparison, the bycatches of larval/juvenile fish in the continuous trawl also appear ...

   Meeting Document : WG-FSA-06/57 : Auteur(s): D.J. Agnew, A. Payne, J. Hooper and J. Roe (United Kingdom)

9. A PROPOSAL TO COMBINE CONSERVATION MEASURES 22-01 (NEW FISHERIES) AND 22-02 (EXPLORATORY FISHERIES)

   Abstract:  Because the requirements to participate in a New or Exploratory Fishery are ... data are gathered and submitted to CCAMLR in all years of the fishery. The proposed CM attempts to ... ensure a minimum change in existing text which has already been agreed by the Commission in the existing ...

   Meeting Document : CCAMLR-XXVII/33 : Auteur(s): Delegation of the USA

10. A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari

    re-calculated from those used by the Working Group on Fish Stock Assessment in 1989 using length ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ... survey in 1988 by the USSR. This biomass is consistent with that from previous cohorts and indicates a ... possible declining trend in the abundance of this stock. Author(s):  G. Duhamel (France) and D.J. Agnew ...

    Meeting Document : WG-FSA-90/17 : Auteur(s): G. Duhamel (France) and D.J. Agnew (Secretariat)

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