Résultats de la recherche

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

   \ tv1ea n I \ ~ 29.73 mm j . \, /"J~ .\I\r /' \~~ ~, I ~ r /" '~ U I --r I I I I I I (] 10 20 ... 30 ~O 50 60 Length (rnm) 70 Figure 2: The length of frequency distribution of all krill measured ... based on the transect sections. 239 +- ro -5 --.J -5 -5 -40 -39 -38 -37 -36 -35 -34 -33 ... sample unit length is: (4) The estimated mean density for the whole region is then: (5) where Ai ...

   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

2. Archival and satellite-linked data recorders

   deployment. » Memory size from 64 KSytes to 256 KBytes. » Wide operating temperature: -20°C to +35°C ... fi::t...~ (4) Time-budget recorder 35x25x18 7.5 digital watch < US$ 20 direct obs (6 ... channel: -SaC to +20 o C, resolution O.loC. » Standard housing of anodized aluminum: optional titanium ... bulkhead. Wide operating temperature: _200 to +35 0 Centigrade. 3 multi-layered circuit boards in a ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Auteur(s): Hill, R.D.

3. Myctophids in the diet of Antarctic predators

   the present study is to review published data on the diet of various top predators (birds, seals ... diet of various top predators (birds, seals, whales, fish and squids) in order to help evaluate the ... Antarctic Convergence 35 species of myctophids are found, i.e. within the CCAMLR Convention Area (Hulley ... , 1990). Of these 35 species, 11 have circumpolar distributions and are mainly widespread from the ... species of top-level predators, such as marine mammals and birds, contain some myctophids (Croxall, 1984 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.

4. Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study

   Average distribution Standardised count 54 56 58 60 62 64 0.00 0.10 0.20 20 November 1990 R el at ... at iv e fre qu en cy 20 November 1990 55 60 65 70 ... additional statement ‘…the observations were carried out… from 20 to 24 January 1979…’ places some uncer ... %, and, to be conservative, that the counts were made some time from 20 to 24 January 1979. This case ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Auteur(s): McKinlay, J., C. Southwell and R. Trebilco

5. Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean

   approximately 25 cm around South Georgia and Kerguelen Islands, but approximately 35 cm around the South Orkney ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Auteur(s): Kock, K.-H.

6. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   Science, Vol. 20 (2013): 97–118 97 The sensITIvITy of mulTIple ouTpuT sTaTIsTIcs To InpuT parameTers ... which ensure its stable recruitment) Probability that krill abundance falls below 20% of median ... nominally beginning in 2007 and par- titioned into 20 years of fishing, using a can- didate catch allocation ... option and a specified allowable catch, followed by 20 years without fishing (SC-CAMLR, 2007a; Watters ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Auteur(s): Hill, S.L. and J. Matthews

7. Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96

   chick survival was 72% (n = 4 312). Trends in chick survival at the three colonies were significantly ... a n g0 4 n W 20 3 V) Van den Boogaard 5 0 2 I 0 Trypot Fault Trypot Hole Figure 10 ... summarised in Cooper and Brown (1990), the count of incubating macaroni penguins was conducted between 20 ... ). Mean chick survival for both species was similar (71-72%). DISCUSSION Breeding Population The ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Auteur(s): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford

8. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... 0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... Bay, 60 km north of the Italian station of Terra Nova Bay on the Victoria Land coast (Ross Sea ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

9. Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)

   . Total length (cm) 60 80 100 120 140 160 180 200 N um be rs o f f is h 0 20 40 60 80 100 120 ... f f is h 0 20 40 60 80 100 120 2001 fishing season 2002 fishing season females n = 2 234 x ... community (Pilling et al., 2001). D. mawsoni is not only a top fi sh predator but a source of food for ... fewer than 60 fi sh, making comparisons diffi cult. This study presents dietary observations on D ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Auteur(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet

10. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

    historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... range of krill. The biomass estimates fall between 60 and 155 million tonnes - at the low end of values ... Southeast Atlantic -20% of the total area), and Divisions 88.1 and 88.2 (the Pacific Ocean sector -22% of ... 20 93 0 0 0 0 0 16 24 24 8.4 2 0 Area (km2) 595 490 851 860 1 029 000 940 430 ... conducted regularly in some areas for nearly 20 years, and there is now a good appreciation of the range ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Auteur(s): Nicol, S., A.J. Constable and T. Pauly

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