Résultats de la recherche

1. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   influencing krill distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean ... swarms (Kalikhman, 2001). Halving the integration interval (to 0.25 km here), however, would increase ... . Can. J. Fish. Aquat. Sci., 47: 1282–1291. Kalikhman, I. 2001. Patchy distribution fi elds ... distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean krill densities ... répartition du krill et, de là, les interactions krill/prédateurs. La technique de MaxEnt fournit de plus ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Auteur(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

2. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

   sections approximately 30 n miles in length. Each section was further divided into 1 n mile integration ... (MVBS). 226 At the end of each section various 'station' activities were carried out as part of ... . An estimate of the mean bottom depth was available for each section. The CTD profiles collected at ... either end of a section allowed an estimate of the mean temperature minimum to be obtained and used to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray

3. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   methodology described by Pope et al., (1983). Each section comprised of 150 hooks placed 2 m apart on 60 cm ... proportion of females was 1:3.6. Figure 4 presents data collected in August 1991 off the coast of Valdivia ... 2001 to 3 000 3 72 - 131 97.0 4 75 - 133 95.4 113 O°r-__ ~96~0 ______________ ~~~~ __ -r ______ ... HOOK SIZE 3 2001-3000 n=29 12 2001-3000m n=69 10 6 8 4 6 4 2 2 0 0 50 60 70 90 110 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

4. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   . Further, the inclusion of an area stratum by fishing year interaction as an additional random effect in ... the GLMM is investigated. Fitting the stratum-by-year interaction as a fixed effect is problematic ... may be difficult. Fitting the stratum-by-year interaction as a random effect avoids this difficulty ... , and diagnostic methods to evaluate the validity of considering this interaction as random are ... -classifi cation. Further, the inclusion of an area stratum by fi shing year interaction as an additional ... random effect in the GLMM is investigated. Fitting the stratum-by-year interaction as a fi xed effect is ... estimates may be diffi cult. Fitting the stratum-by-year interaction as a random effect avoids this diffi ... culty, and diagnostic methods to evaluate the validity of considering this interaction as random are ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G

5. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   for the current year (TACy’) as described in the next section which specifies the MP. 4. The ... , K.-H., J.M. Clark and C.A. Moreno. 2008. Interactions between cetaceans and fisheries in the ... . Killer whale (Orcinus orca) and sperm whale (Physeter mac- rocephalus) interactions with longline ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Auteur(s): Brandão, A. and D.S. Butterworth

6. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   from studies of predator- prey interactions between P. bransfieldensis and inshore demersal fish of ... conducted near Elephant Island in late autumn/winter 1986. Archive of Fishery and Marine Research, 42 (1 ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

7. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   CCAMLR Scier~ce, Vol. 8 (2001): 93-105 FISHING FOR ... scientific observers on board, as per CCAMLR guidelines. Observations indicated that the interaction of ... , or accessible to, scavenging birds. The only witnessed interaction with setting operations was when ... -section of sizes and sexes, were subjected to reimmersions. All individuals were 'lively' before ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

8. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   diamond­edged saw. One half of the sectioned block was mounted (otolith section down) onto a microscope slide ... various studies on Antarctic silverfish age and growth are presented in La Mesa and Vacchi (2001) and ... (2): 111–119. La Mesa, M. and M. Vacchi. 2001. Age and growth of high Antarctic notothenioid fish ... Smith, W.O. Jr., D.G. Ainley and R. Cattaneo­ Vietti. 2007. Trophic interactions within the Ross Sea ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn

9. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   section of the streamer line was recovered during hauling and reattached. All lines set, except numbers ... caught was dependent on the weighting regime long-term health of the bird concerned. In total, and the ... around South Georgia in the 1998 winter fishery (April to August). By-catch rates from the 8.5 kg/ 40 m ... interact with the vessel during setting operations. From early sets it was found that the high number ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

10. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

    The CCAMLR 2000 Krill Synoptic Survey of Area 48 (CCAMLR-2000 Survey) (Trathan et al., 2001; Hewitt ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull

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