Résultats de la recherche

1. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   data collected from around South Georgia to look at interactions between 2000 and 2002 and concluded ... conducted during the austral summers of 1998, 1999 and 2000 also detected the presence of killer whales ... , although numbers could not be estimated (Leaper et al., 2000). This would also suggest that some form of ... at South Georgia. An acoustic sur- vey for sperm whales, conducted during 1998/99 and 2000 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Auteur(s): Moir Clark, J. and D.J. Agnew

2. Scientific observations in CCAMLR fisheries – past, present and future

   2000 2001 2002 2003 2004 CCAMLR season N um be r of c ru is es a nd fi sh er ie s 0 1000 ... introduced in 2000. na – not applicable. Logbook format 1996 1997 1998 1999 2000 2001 2002 2003 2004 ... 2000 3000 4000 5000 6000 7000 8000 9000 10000 N um be r of h au ls Cruises Fisheries ... validation. In 2000, electronic versions of the logbook (e- logbook) forms were produced in Excel for mat ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard

3. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   te d nu m be rs (m illi on s) 1998 1999 2000 2001 Year 50 40 30 20 10 0 P re di ct ... al., 2001; Smith and McVeagh, 2000) which demonstrates that fi sh from widely separated locations ... 1998 1 July 1999 1 July 2000 1 July 2001 M = 0.16 Left M = 0.10 Right 12 10 8 6 4 2 0 Av ai ... la bl e nu m be rs (m ill io ns ) 1998 1999 2000 2001 Year 0 10 20 30 40 50 Pr ed ic ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Auteur(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

4. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

   6 939 - - - 2000 752 14 081 - - - 2001 592 14 087 - 259 - 2002 1 355 16 612 831 684 1 2003 1 769 ... 800 1000 0 200 400 600 800 1000 0 1000 2000 3000 4000 0 ... 1000 2000 3000 4000 0.0 0.2 0.4 0.6 0.8 1.0 0 1000 ... 2000 3000 4000 –2 –1 0 1 2 No Yes ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Auteur(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker

5. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... from , the South Sandwich Island study area in March/April 1990. 119 49 47 AS 43 W 60 S 62 ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ... (traditional fishing ground) area of the Antarctic in autumn 1990 (from 13 March to 8 April in the South ... the Atlantic Ocean Sector of the Antarctic in March-April 1990. WG-KriU-90/24. Hobart, Australia ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Auteur(s): Fedotov, A.C.

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

   ) Krill density in each SSMU in 1970 was twice that in 2000: ,2000(1)2 ,1970(1) ,2000(1)2= = iB i i wK ... K (2) where Bi,2000(1) is an empirically derived esti- mate of krill biomass in SSMU i in summer ... 2000 and w is the mean mass of an individual krill. Table 3: Parameters included in the sensitivity ... 1970 was dou- ble that in 2000. Assumption (iii) allows analytical estimation of αi,1 as follows: The ...

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

7. Status of the Polish FIBEX acoustic data from the West Atlantic

   i e d l e c k i between 14 February and 12 March 1981. The survey collected acoustic data at 120 ... highlighted a seasonal increase in abundance between December and March, followed by a rapid decrease in ... abundance from March to June. Siegel (1988) suggested that the timing of this pattern varied between years ... Siedlecki survey was carried out between 14 February and 12 March 1981. Therefore, given the general ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson

8. Observation of seabirds in the Southern Ocean in 1988/89

   Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... occasionally. Single birds were encountered only twice; on 24 February 1989 (62°S, 166°W) and 11 March 1989 ... January to 2 February 1989); • Russkaya and Leningradskaya (26 February to 12 March 1989); • Bunger ... 8:00, 12:00, 16:00 and 20:00 ship-time. As the periods of daylight became shorter (March/April ... 21 March 1989. As a rule the southern fulmar was sighted in localized areas over a one or two-day ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

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

   cetaceans from longlines increased linearly from 2000 to a saturation level from 2002 onwards, as ... mean CPUE mean CPUE mean CPUE mean s s s s s s s where sCPUE is the slope of a log-linear ... catch: 2026 2007 1 20 s s y y C C = = å , where s represents simulation s. Risk to resource ... Final resource size: ( ) 2026 ( ) sp s sp s B K . (i) (ii) (iii) (iv) 39 Proposed ...

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

10. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

    lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... study 61 lines were laid from March to May 1997 using the Spanish double-line method. In accordance ... finish of each of the 61 longlining operations by BF Cisne Verde at South Georgia, from March to May ... sets were laid on 48 nights from 25 March to 27 April and 8 May to 23 May 1997, with 654 420 hooks ... Cisne Verde during setting operations around South Georgia, from March to May 1997. Ashford and ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Auteur(s): Ashford, J.R. and J.P. Croxall

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