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  1. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

    in noisy time-series such as these. Multi- decadal series (30 to 40 years of data) (Henson et al., 2010 ... ) or parallel series that control for the potential cause of change (Smith et al., 1993) are usually necessary ... series show a decline since 2000. Hill et al. 38 Table 3: Biomass indices from local krill ... . Firstly, the available time-series data on krill bio- mass are for small fractions of the CCAMLR-2000 ...

    Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

  2. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

    the catch is formed in the trawl and also to devise approaches to assessing gross catch by integrating ... will take place. It is expressed as a multiplicative equation in the form of a function of different ... of the trawl rope section where small whirlpools are formed by the rope elements. A quantitative assessment ... ), a relatively fine, though discernible, layer of water with increased pressure is formed near the trawl netting ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Author(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

  3. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

    . 1977. Maximum likelihood via the EM algorithm. Journal of the Royal Statistical Society Series ... ~ B03paCTHOH COCTaB B YJIOBaX D. eleginoides C HCnOJIb30BaHHeM HTepaTHBHblX H Tpa~H~HOHHbIX MeTO~OB ... B YJIOBaX D. eleginoides C HCnOJIb30BaHHeM HTepaTHBHblX H Tpa~H~HOHHbIX MeTO~OB BblllHCJIeHH5I. CeHT5I6pb ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Author(s): Robotham, V. H. and Z. Young U.

  4. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

    568 511 1 679 ± 74 j,k,l 39.2 ± 2.7 105 26 30 683 633 2 568 ± 82 , , ,i j k llanded ... with more than 75% of all longline sets that are hauled off the Crozet Islands. With an estimated 30 ... . Bootstrap Methods and their Application. Cambridge Series in Statistical and Probabilistic Math- ematics ...

    Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

  5. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

    marmorata M Champsocephalus qunnari B paHOHe IOJKHOH feOpI'MH C Hcno~ h30BaHHeM AaHHhrx CCCP no npo6aM ... series is too short to determine a typical level of stock size. However, the rapid recovery to higher ... 4 1.00 0.34 0.45 0.15 5 1. 00 0.67 0.37 0.36 6 1.00 0.93 0.30 0.62 7 1. 00 0.91 0.25 0.73 8 1.00 1.00 ... 2 1.00 0.002 0.55 0.001 3 1. 00 0.35 0.41 0.26 4 1.00 1.00 0.30 1.00 5 0.41 1.00 0.12 1.00 6 0.038 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.

  6. Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile

    forms to record a number of parameters (e.g. geographic position, meteorological condi- tions, catch ... le s (in di vi du al s) 0 10 20 30 40 50 60 70 80 90 E ffo rt ( ha ul s ob se ... rv ed ) (a) 0 5 10 15 20 25 30 35 40 45 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ... Month K ill er w ha le s (in di vi du al s) 0 10 20 30 40 50 60 70 80 90 E ffo rt ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata

  7. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

    -type fishing techniques. Most vessels use the same autoline-system longlines set in series of 1 km ... on D. eleginoides fisheries at the Crozet Islands 0 10 20 30 40 50 60 70 80 90 100 2003/04 2004/05 2005 ... between 2003 and 2008. 0 10 20 30 40 50 60 70 80 A B C D E F G Fishing vessel In te ra ct io ... is described under ‘Methods’. Tixier et al. 188 –10 –5 0 5 10 15 20 25 30 2003/04 2004/05 2005/06 ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Author(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

  8. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

    . HCnOJIb30BaHHe 3THX ",llByxcTyneH'-IaTbIX" MO,lleJIeti o6ecne'-l- BaeT nOJIY'-leHHe 60JIee TO'-lHbIX nO,llrOHOK ... nOCTpoeHHSI MO,lleJIH. ITpe)l{,lle '-IeM 3TH MO,lleJIH MoryT 6blTb HCnOJIb30BaHbl B Ka'-leCTBe OCHOBbl ... the form: PB(y) = Prob[encounter swarm] Y Y where a = [Ai1{1-e-A,lY} + Ail e-A,lY ... distribution, i.e. the negative exponential: (3) Though this is the same form as fitted by Miller ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

  9. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

    niveaux proches de ceux permettant un accroissement maximum net annuel dans les 20 ou 30 annees it venir ... stock en 20 ou 30 ans, et que, par consequent, les stocks surexploites devraient faire l'objet de ... be extremely difficult, and some form of model will have to be selected which is compatible with the concepts ... (or other target level) in 30 years; and (iv) the fishing mortality corresponding to FO•l • A TAC (which ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Author(s): de la Mare, W.K. and A. Constable

  10. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

    coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was determined by a technique ... scientific trawl with a 30 sq. m opening. Trawling speed was 2.5 to 3.0 knots. During the night when krill ... 1). Mean density in the area was 48 g/m2 (Table 1). Dense but unstable concentrations of krill in the form ... ° and 62°30'E. Daily catches by scientific survey vessels varied within a range of 10 to 35 tonnes ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev

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