Résultats de la recherche

1. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... at both 38 and 120 kHz between calibrations conducted at the two locations. At 120 kHz, the required ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... S v transducer gains at South Georgia (sea temperature at depth of transducer = 2.3 o C) were on ... calibrations conducted at the two locations. At 120 kHz, the required S, transducer gains at South Georgia ... Maximum power, kW Pulse duration, ms* Band width, kHz* Ping interval, s Two-way beam angle, dB Noise ... of which one of the most fundamental is accurate echosounder calibration. The Simrad EK500 ... acoustic survey were 6 dB (four times) less sensitive at O°C than at 20°C. More recently Demer and ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

2. SC-CAMLR-XXIV

   International Whaling Commission(Ulsan, Republic of Korea, 30 May to 10 June 2005) CCAMLR Observer (K.-H. Kock ... Scientific Committee and its working groups Secretariat SC-CAMLR-XXIV/BG/20 Antarctic marine ecosystem ... Conference (Aberdeen, UK, 20 to 25 September 2005) CCAMLR Observer (M. Collins, UK) SC-CAMLR-XXIV/BG/24 ... /BG/29 Ad Hoc WG-IMAF Conveners’ summary for the Scientific Committee 2005 SC-CAMLR-XXIV/BG/30 A ...

   Meeting

3. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... dominated by fish of 18-26cm (TL) indicating the presence of a cohort of age 1+ fish. Estimated biomass for ... (s):  S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier Title ...

   Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

4. ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES

   30 days after the median date of pupping was estimated for the years 1997-2007 at 4.5% (±0.60). Adult ... lower pup production estimates in 2007/08. Author(s):  M.E. Goebel (USA), D.E. Torres C. (Chile), A ...

   Meeting Document : WG-EMM-PSW-08/14 : Auteur(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)

5. Conservation Measure Conservation Measure 41-09 (2012)

   Zealand, one (1) Norwegian, six (6) Russian, one (1) Spanish, three (3) Ukrainian and two (2) UK flagged ... 9. Each vessel participating in the fishery shall have at least two scientific observers, one of ... shall be conducted by a maximum in the season of one (1) Japanese, six (6) Korean, four (4) New ... requirements of Conservation Measure 24-02 are met. 8. Any vessel catching a total of three (3) seabirds ...

   Conservation Measure : 41-09 (2012)

6. Diseases outbreak threatens Southern Ocean albatrosses

   observed recently. Here we show that two highly pathogenic diseases (worldwide spreading avian cholera ... chicks during their first weeks of life with a cyclic pattern between years, but also adult birds that ... world raises major concern for the conservation of the Southern Ocean environment. Author(s):  H ...

   Meeting Document : WG-EMM-03/32 : Auteur(s): H. Weimerskirch (France)

7. Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)

   2016. Investigated area will be demarcated on two blocks- Northern and Southern. During the season of ... year 2016 we propose to remain the majority of surveys in the Northern Block as were conducted in year ... will be carried out within three years. Implementation of the tagging program in the long-term ... ratio 5 fish per ton in the Northern Block. Author(s):  Delegation of Ukraine Title:  Plan of research ...

   Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine

8. Infectious diseases of Antarctic penguins: current status and future threats

   occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... CEMP program. One understudied aspect of penguin biology, however, is the effect of infectious diseases ... increase over the last 50 years.  However, issues of data not being published and a lack of formal risk ... be used by CCAMLR to help inform management decisions. Author(s):  W.W. Grimaldi, P.J. Seddon, P.O.B ...

   Meeting Document : WG-EMM-14/53 : Auteur(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

9. SC-CAMLR-XXXIII

   ):  Monday, 20 October 2014 to Friday, 24 October 2014 Chair / Convener:  Dr Christopher Jones (United States ... of America) Support:  Dr Keith Reid Submissions Due:  Saturday, 20 September 2014 Friday, 5 September ... . 1 Review of the CCAMLR Scheme of International Scientific Observation (26 to 30 August 2013, CCAMLR ... , Assessments and Modelling (Punta Arenas, Chile, 30 June to 4 July 2014) SC-CAMLR-XXXIII/06 Report of the ...

   Meeting

10. Proposal for a krill biomass survey for krill monitoring and management in CCAMLR Division 58.4.2-East

    . Final survey plans will be submitted to SG-ASAM and WG-EMM in 2020. Author(s):  S. Kawaguchi, M. Cox, N ...

    Meeting Document : WG-EMM-2019/03 : Auteur(s): S. Kawaguchi, M. Cox, N. Kelly, L. Emmerson and D. Welsford

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