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1. Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea

   reducing fishing pressure is one option for mitigating the overall consequences for marine biota. We used a ... predator populations, especially penguins. Average penguin abundance declined by up to 30% of its ... tradeoffs among marine ecosystem services in an uncertain future. Author(s):  E.S. Klein, S.L. Hill, J.T ...

   Meeting Document : WG-EMM-18/P02 : Автор(ы): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters

2. Classification of Southern Ocean krill and icefish echoes using Random Forests

   echograms and analysis of differences in mean volume backscattering strengths (S V; dB re 1 m-1) measured at ... two or more echosounder frequencies. For commonly used frequencies, however, the differences for krill ... Georgia, South Atlantic, one species in particular, mackerel icefish, Champsocephalus gunnari, forms ... scattering fish species with an overall estimated accuracy of 95 %. Minimum S V, mean aggregation depth (m ...

   Meeting Document : WG-EMM-16/23 : Автор(ы): N. Fallon, S. Fielding and P. Fernandes

3. Chapter 4: Science

   marine living resources, and the interactions of fisheries with them. (paragraphs 30 to 32) Scientific ... Committee (2018) SC-CAMLR-XXXVII,  paragraph 13.16. Generic recommendation needs to the reviewed in context ... of more specific questions. In the case of krill: 2018 ICED workshop (SC-CAMLR-XXXVII, paragraphs 9.5 ... to 9.6) 2018 Scar Krill Action Group (SKAG) update and support for 2019 SKAG meeting (SC-CAMLR-XXXVII ...

   Page : Site Section: The Organisation

4. The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2) for 2016

   one-third the average for L. squamifrons. Conversely, the density of aggregated skates was higher than ... both 2015 and the long term average. The catch of invertebrates in the 2016 survey was two times higher ... tagged and released. Author(s):  G.B. Nowara, T.D. Lamb and D.C. Welsford Title:  The random stratified ... April, with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas ...

   Meeting Document : WG-FSA-16/23 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford

5. 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 ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... at both 38 and 120 kHz between calibrations conducted at the two locations. At 120 kHz, the required ... 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 ... backscattering (S,,) and target strength (TS) transducer gains were detected at both 38 and 120 kHz between ...

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

6. SC-CAMLR-XXIV

   Full Name:  Twenty-fourth Meeting of the Scientific Committee Location:  Hobart, Australia Date(s ... and S. Nicol SC-CAMLR-XXIV/BG/01 Catches in the Convention Area in the 2003/04 and 2004/05 seasons ... 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 ...

   Meeting

7. 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 ... (s):  S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier Title ... dominated by fish of 18-26cm (TL) indicating the presence of a cohort of age 1+ fish. Estimated biomass for ...

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

8. 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 : Автор(ы): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)

9. 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)

10. 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 : Автор(ы): H. Weimerskirch (France)

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