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  1. RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA

    revealed. Standard measures for the population densities of krill in natural habitat are not available ... krill and minimizing miscalculations in evaluations of congestions. Evaluations regime applied for the ... in evaluating the density of populations. Author(s):  L.A. Kovalchuk (Ukraine) Title:  RESOURCES ... analyses procedures applied for trawling and hydro-acoustic sampling have to in compliance with the rules ...

    Meeting Document : WG-SAM-08/P01 : Автор(ы): L.A. Kovalchuk (Ukraine)

  2. Отчет о промысле: поисковый промысел видов Dissostichus на Участке 58.4.2

    эти изменения. Weighted Frequency (proportion of the catch) Le ng th (c m ) 50 100 150 2002/03 2003/04 ... LAYOUT OF CCAMLR DOCUMENTS AND REPORTS ...

    Document : Site Section: Publications

  3. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

    assumptions made in calculating target strength. Whether the results of these papers are valid is critically ... ) density dependent effects; and 3) compounding of diel effects. The possible bias in the calculations of ... there is 8-12 db of possible error in the calculations. This is most if not all of the difference cited ... on the same experiment and report new calculations of the target strength of krill (Euphausia superba ...

    Meeting Document : WG-KRILL-90/13 : Автор(ы): M.C. Macaulay (USA)

  4. Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates

    sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... latitudinal position and shape of the pack-ice edge. Harvesting was frequently conducted in the vicinity of a ... distribution. Krill harvesting areas in the vicinity of the shelf breaks were often coincident with ... Abstract:  The distribution of krill (Euphausia superba) concentrations derived from Japanese ...

    Meeting Document : SC-CAMLR-VIII/BG/31 : Автор(ы): Delegation of Japan

  5. SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING

    to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific ... Ocean and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the ... Abstract:  On the results of some field materials collected from 2002 till 2008, on the basis of ... Pacific Antarctic Ridge and the Amundsen Ridge in the Amundsen Sea area. In the Cooperation Sea area the ...

    Meeting Document : WG-FSA-08/14 : Автор(ы): V. Prutko (Ukraine)

  6. Histopathology of Antarctic krill (Euphausia superba) bearing black spots

    onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ... Ocean, approximately 2-5% of sub-samples of 100 krill bore small black spots. The black spots were most ... often found on the cephalothorax of the body. Three bacteria were isolated from these black spots, and ...

    Meeting Document : WG-EMM-07/29 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)

  7. Identification and speciation of Antarctic skates

    (COI) were sequenced in 9 species of Bathyraja skates from the Southern Oceans and New Zealand. Based ... species in the Ross Sea. A field key for identification of Ross Sea skates is provided. Author(s):  P.J ... Bathyraja n. sp. cf eatonii. There was no sequence divergence among samples of B. n. sp. “dwarf” from the ... Ross Sea and South Atlantic. However, for Bathyraja n. sp. cf. eatonii and Bathyraja maccaini in the ...

    Meeting Document : WG-FSA-07/27 : Автор(ы): P.J. Smith, C.D. Roberts, A.L. Stewart, M. McVeagh and C.D. Struthers (New Zealand)

  8. A representative system of CCAMLR MPAs: taking stock and moving forward

    Abstract:  The adoption of the Ross Sea MPA in 2016 marked "the end of the beginning" of ... establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ... realises the potential of MPAs to enhance science and governance in Antarctica, including with respect to ...

    Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Автор(ы): Submitted by ASOC

  9. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

    presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of the breeding ... methods such as mark-recapture of individually tagged birds. Given the paucity of adjustment data in the ... at any time in the breeding season to an estimate of the breeding population. The development of ... reference point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR ... method is illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of ... paucity of adjustment data in the literature, further collection of availability adjustment data across ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Автор(ы): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

  10. Trophic study of Ross Sea Antarctic toothfish (Dissostichus mawsoni) using carbon and nitrogen stable isotopes

    variables in explaining the variation of δ15N and δ13C. Positive relationships between length and δ15N ... and Terra Nova Bay Trench. In contrast, all of the four potential prey species caught in the Northern ... range of 7 ‰ (9–16 ‰) in δ15N, which is equivalent to two trophic steps. All fish, except Antimora ... implies that the diet of all species sampled was variable, or that individual species were eating a ...

    Meeting Document : WG-EMM-08/27 : Автор(ы): S.J. Bury, M.H. Pinkerton, D.R. Thompson, S. Hanchet, J. Brown and I. Vorster (New Zealand)

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