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e-sc-xiii-a7.pdf
... concern. This should be primarily directed at the development of an ecosystem approach to management (SC ... krill catch in the season 1993/94 was 82 600 tonnes and was concentrated in Statistical Area 48. The ... targets can now be discriminated on a fine scale, and estimates of target strength have been refined ... . The latter may be obtained from (i) dense aggregations by echo integration followed by trawl haul to application/pdf attached to:WG-KRILL/CEMP-94
Meeting Report : WG-KRILL/CEMP-94
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... excessive concentration of catch at the subarea scale. Finer-scale management might be necessary to manage ... 1981/82 48.3 256 206 1986/87 312 134 1986/87 48.4 10 1982/83 19 1972/73 Total 619 465 676 303 ... Science, Vol. 23 (2016): 31–51 31 Is current management of the Antarctic krill fishery in the Atlantic ... of the regional biomass in recent years. This suggests that fishing at the trigger level would be ... fished stocks. Fished stocks must be maintained at or above the level ‘which ensures the greatest net ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
relationships. In the authors’ opinion the model could be used to give a first indication of the absolute ... abundance of P. antarcticum in the Ross Sea. A critical point is the decision rule to be used to ... ), some sizes of P. antarcticum could be confused acoustically with E. crystallorophias, but not with E ... 21 41 8 45 3 20 9 56 93 3 30 11 5 47 13 7 % b y nu m be r 82 .3 % 82 .9 ... CCAMLR Science, Vol. 17 (2010): 75–104 75 TargeT ... could be used to give a first indication of the absolute abundance of P. antarcticum in the Ross Sea. A ... critical point is the decision rule to be used to differentiate P. antarcticum from Euphausia superba and ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Autor(es): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Chapter 7: Organisation and business practices of CCAMLR
of managing the business of the Scientific Committee through an informal executive group be ... Commission Bureau be established involving the Scientific Committee Chair, the chairs of the standing ... ), whereas a strategy for meeting the requirements of 6 Article XV.1 (general science on Antarctic marine ... living resources) should be primarily developed through mechanisms other than the annual work program of ...
Page : Site Section: The Organisation
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Australian research on Antarctic bird and seal diets
continuing studies will be useful to assess the natural variability of the system. Around the sub-Antarctic ... penguins (by split year). 81/82 82/83 83/84 84/85 85/86 86/87 87/88 Overall weight(g) 450 141 202 114 ... of prey populations is thus very limited, although continuing studies will be useful to assess the ... HeOnYOJIHKOBaHHhle ,l{aHHhle CBe,l{eHhI BOe,l{HHO, B pe3YJIbTaTe "4erO B03HHKaeT P.H,l{ Ba)l(HbIX BOnpOCOB. B ... 3aJIHBe I1pIO,l{C, KOTOPhIH .HBJI.HeTC.H lleHTpOM paHOHa HCCJIe,l{OBaHHH nepBOCTeneHHOH Ba)l(HOCTH ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Autor(es): Williams, R.
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
(determined by VPA) and fishing effort is described. The intersect of this regression must be equal to zero if ... estimate of the intercept of the regression is other than zero. A bias in the intercept will be positive if ... . 78 Table 1. Age composition of catches of C. gunnari (n x 1()6). 82/83 83/84 84/85 85/86 86/87 ... ) for C. gunnari in Subarea 48.3 82/83 83/84 84/85 85/86 86/87 87/88 88/89 89/90 1 29.7 35.8 23.4 ... mortality rate of C. gunnari in Subarea 48.3. 82/83 83/84 84/85 85/86 86/87 87/88 88/89 89/90 1 0.036 ... standardised effort. Year Total catch Effort 80/81 29464 14142 81/82 47454 7182 82/83 131576 20420 83/84 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Autor(es): Gasyukov, P.S. and R.S. Dorovskikh
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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
uncertainty, which must be taken into account when it is used. The sources, assumptions and calculations at ... 01 hill et al proof.indd CCAMLR Science, Vol. 14 ... Southwest Fisheries Science Center NOAA Fisheries Antarctic Ecosystem Research Division 8604 La Jolla ... Shores Drive La Jolla, CA 92037, USA G.M. Watters Southwest Fisheries Science Center NOAA Fisheries ... most others, is associated with considerable uncertainty, which must be taken into account when it is ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Autor(es): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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SC-CAMLR-SSP/5 – Part II, 1988
1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 0,35 24,7 26,3 27,8 38,3 32,8 20,5 31,1 36,5 2 ... : B0312acT 2 90 2 20 2 60 3 60 1980/81 1981/82 1982/83 1983/84 17,02 5,87 25,97 98,63 71,49 159,37 ... /77 1977/78 1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 0,35 0,0000 0,0258 0,0002 0,0421 ... /77 1977/78 1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 2 3 4 5 6 HToro B03paCT- Ha5I ...
Document : Site Section: Publications
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
appropriate, since SLOF could not be removed to an acceptable degree. The issues concerning the effect of the ... respectively. Model parameters and estimation The parameter set to be estimated by CASAL consisted of B0 pre ... = 1) and, therefore, B0. As a result, the estimate of B0 will be sensitive to shifts in the ... respectively, it can be seen from Tables 3 and 4 that although the estimate of B0 is similar for these two ... CCAMLR Science, Vol. 15 (2008): 1–34 1 An ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Autor(es): Candy, S.G and A.J. Constable
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Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
results 9. MCMC results Model B0 SSB Status Catch limit 2015 Assessment 87 077 (78 500-97 547) 0.64 ... Patagonian toothfish populations from otolith DNA. Antarctic Science 2016:1-14 Juveniles Patagonian ... 80 82 76 66 68 70 72 74 78 62 64 80 82 76 Longitude(°E) L a ti tu d e ... to be able to distinguish between signals in biomass and year-class strength (YCS) in the survey ...
Document : Site Section: Meetings