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1. Target strengths of krill at 136 and 20 kHz

   . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... . For aggregations with mean lengths from 47 to 50 mm the mean target strengths ranged from-71 to-75 dB ... . At the same frequency for aggregations with mean lengths in the range 41 to 47 mm the mean single ... in order to guarantee that the cage had become completely saturated and that there was no air ... . 1985. Report of the Post-FIBEX Workshop in August 1984. BIOMASS Report Series No. 40. ANON. 1986 ... No.ofKriU TS (cage + krlll), Krill Krill Parameters No. in the Cage dB TS,dB L (mm) sd P 1 100 -45.99 ... aggregations with mean lengths from 45 to 50 mm the mean single-kriU target strengths range from -68 to -69 dB ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Автор(ы): Kasatkina, S.M.

2. Acoustic data analysis and models of krill spatial distribution

   / Description:  Acoustic data obtained on 4-5 January 1987 aboard the R/V Professor Siedlecki were used in three ... (spatial autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... spectrum appears to lose its power significantly. The semivariance of biomass does not vary significantly ... obtained on 4-5 January 1987 aboard the RN ProfesSor Siedlecki were used in three descriptors of krill ... autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The wavenumber ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ... appears to lose its power significantly. The semivariance of biomass does not vary significantly over ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Автор(ы): Morin, A., A. Okubo and K. Kawasaki

3. Conservation Measure Conservation Measure 25-02 (2007)

   Minimisation of the Incidental Mortality of Seabirds in the Course of Longline Fishing or Longline ... Fishing Research in the Convention Area Limitations:  Except for waters adjacent to the Kerguelen and ... Crozet Islands Except for waters adjacent to the Prince Edward Islands Adopted at Meeting:  CCAMLR-XXVI ... CONSERVATION MEASURE 25-02 (2007)1,2 Minimisation of the incidental mortality of seabirds in the course of ... longline fishing or longline fishing research in the Convention Area Species seabirds Area all Season ... all Gear longline The Commission, Noting the need to reduce the incidental mortality of seabirds ... attempting to seize baited hooks, particularly during the period when the lines are set, Recognising that ...

   Conservation Measure : 25-02 (2007)

4. e-cc-iii-aE.pdf

   ... Committee and the Commission and no data of this type has been received by the Secretariat so far in 1984 ... e-cc-iii-aE.pdf CC84annE.doc ANNEX E REPORT OF THE ... STANDING COMMITTEE ON ADMINISTRATION AND FINANCE 1. The Committee met on 5, 6, and 7 September 1984 ... under the Chairmanship of Mr Martinez-Castro of Argentina to consider the following items: 1. Report application/pdf attached to:SCAF-84

   Meeting Report : SCAF-84

5. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   shagensis) from Shag Rocks shelf Abstract / Description:  The parameters of Bertalanffy’s growth equation ... -weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... mortality rate was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... ROCKCOD (PATAGONOTOTHEN GUNTHERI SHAGENS/S) FROM SHAG ROCKS SHELF V.1. Shlibanov Abstract The ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ... area from 1978 to 1986. The natural mortality rate was assessed by six different methods and was ... within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used in calculations and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Автор(ы): Shlibanov, V.I.

6. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   Patagonian toothfish at South Georgia Abstract / Description:  We examine the extent of overlap between South ... May and October (main chick-rearing period). However during the chick-brooding period, from March ... through mid-May, adult birds of both sexes spend most of their time at sea over the South Georgia ... continental shelf in areas very similar to where the longline fishery operates and are therefore at serious ... transit to or from their breeding site at Bird Island. Therefore, during the post-brood chick-rearing ... and from the breeding site) was associated with the Patagonian Shelf, particularly slope areas over ... Cross, Madingley Road Cambridge CB3 OET United Kingdom Abstract We examine the extent of overlap ... ) and between late May and October (main chick-rearing period). However during the chick-brooding ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Автор(ы): Croxall, J.P. and P.A. Prince

7. e-cc-xvii-a4.pdf

   ... appropriate. CCAMLR Site on the World Wide Web 11. The Committee received the advice of the Executive ... Secretary on the progress towards establishing a site on the World Wide Web (the web), as presented in ... CCAMLR-XVII/BG/23. It encouraged the continued development of the site and considered that the Commission ... ) Publications (ii) Scientific Committee Budget 7. CCAMLR Site on the World Wide Web 8. Management Review of application/pdf attached to:SCAF-98

   Meeting Report : SCAF-98

8. Estimating confidence intervals for fish stock abundance estimates from trawl surveys

   estimates of abundance obtained from trawl surveys conducted by means of the swept area method, using ... likelihood ratios from Aitchison's delta distribution. Simulation tests of the method show that unbiased ... estimates of density and biomass can be obtained and that the estimated confidence intervals have close to ... the nominal coverage probability. Performance deteriorates in cases where few of the hauls contain ... by means of the swept area method, using likelihood ratios from Aitchison's delta distribution ... . Simulation tests of the method show that unbiased estimates of density and biomass can be obtained and that ... the estimated confidence intervals have close to the nominal coverage probability. Performance ... deteriorates in cases where few of the hauls contain fish and the coefficient of variation (CV) is high. The ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Автор(ы): de la Mare, W.K

9. Selectivity of commercial and research trawls in relation to krill

   / Description:  This paper describes the results of fishing a single krill aggregation with a commercial trawl ... RT 72/308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... krill length composition was observed between catches made by the research trawl, while in commercial ... m along the belly line. The trawl bag has no rope or large-mesh sections. Therefore, the effective ... This paper describes the results of fishing a single krill aggregation with a commercial trawl RT 72 ... /308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained more ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Автор(ы): Kasatkina, S.M

10. Differentiation of independent populations of Antarctic krill

    circulation. On the basis of the review, it is suggested that there is probably one composite population of E ... . superba in the Southern Ocean subdivided into several independent sub-populations. The number of these sub ... -populations is expected to correspond with the number of quasi-stationary cyclonic water circulations. At ... development due to homogeneity of physical environmental parameters. To the best of our knowledge, no ... no papers dealing with the subject of variability of krill inhabiting different areas of the ... and morphophysiological variability of krill and Antarctic water circulation. On the basis of the ... review, it is suggested that there is probably one composite population of E. superba in the Southern ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Автор(ы): USSR

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