Résultats de la recherche

1. Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island

   than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ... and, to a lesser extent, adult survival. These survival changes were coincident with changes in ...

   Meeting Document : WG-FSA-04/50 : Auteur(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)

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

   line-transect acoustic survey data gathered in the boxes during austral summers from 1996 to 2000 ... 80 km transects in each box, providing about 1 600 density estimates per box. The MaxEnt technique ... × 0.5 km cells in each box, taking explicit account of the spatial relationship between densities in the ... observed data. Despite some very large interannual and regional differences in mean krill density, the ... year to the next in the MaxEnt reconstructions. These are not immediately obvious in the acoustic ... (MaxEnt) have been used successfully for many years in numerous branches of physical science to ... . Although there are some very large differences in mean krill density between years (ranging from 36 to 12 ... consistent features between years for each box. In the west, in three of the four years for which data are ...

   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

3. SC-CAMLR-XXXIV

   CCAMLR-XXXIV/22 Precautionary seasonal restrictions in fisheries for Euphausia superba in Area 48 ... Delegation: European Union CCAMLR-XXXIV/37 IUU fishing activity and trends in 2014/15 and IUU Vessel Lists ... ongoing discussions in the Commission Delegation of Australia SC-CAMLR-XXXIV/02 Proposal for developing ... of ice conditions in the Weddell Sea and a list of candidate sites to be afforded protection ...

   Meeting

4. Fishery Report 2017: Dissostichus eleginoides and D. mawsoni South Sandwich Islands (Subarea 48.4)

   season is represented by the year in which that season ended, e.g. 2015 represents the 2014/15 CCAMLR ... -wide catch limits were set by species. 6. In 2017, the UK began a multi-year effort-limited ... number of fish measured (n) in each year are provided. 13. The length-frequency distribution of D ... by that vessel. In exploratory fisheries since 2015, each vessel releasing more than 30 tagged fish ...

   Document : Site Section: Publications

5. Investigations of required sampling regimes for environmental parameters

   speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in ... / Description:  The sensitivity of different sampling regimes in identifying inter-annual changes in ... 1987. Strong daily, depressional (4 to 5 days) and yearly cycles were seen in temperature, wind speed ... and pressure. Sampling daily maxima and minima would be sufficient to detect a 2 to 3°C change in ... temperatures in that 563 year were lower than for the other two years (see Figure 1). Maximum and minimum ... would be sufficient to detect a 10 to 20% change in monthly mean log-transformed wind speed a of 0.05 ... Working Group (1989) suggested that sampling strategies should be able to detect a 10% or 20% change in a ... -30 per month) may produce data sufficient to identify 10% changes in maximum wind speed in January ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Auteur(s): Agnew, D.J.

6. The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)

   Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... Abstract:  The most abundant icefish species observed in catches off the northern tip of the ... Joinville – D’Urville Islands (CCAMLR Statistical Subarea 48.1) and in the Cosmonauts and Cooperation Seas ... and Prydz Bay in the Indian Ocean sector (CCAMLR Statistical Division 58.4.2). This paper presents new ...

   Meeting Document : WG-FSA-07/P1 : Auteur(s): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))

7. SCAF-17

   ):  Monday, 16 October 2017 to Friday, 20 October 2017 Support:  Mr Andrew Wright (CCAMLR Secretariat ... capacity building in the GEF-eligible CCAMLR Members Delegations of Chile, India, Namibia, South Africa ... 2016 Executive Secretary CCAMLR-XXXVI/04 Review of the 2017 Budget, Draft 2018 Budget and Forecast ...

   Meeting

8. SCIC-2019

   in 2018/19 and IUU Vessel Lists CCAMLR Secretariat CCAMLR-38/13 Rev. 2 CCAMLR Compliance Evaluation ... /BG/34 Offal found in toothfish stomachs during the 2018/19 Ross Sea toothfish fishing season ... and in CCAMLR Statistical Area 58 in the 2018/2019 season Delegation of France CCAMLR-38/BG/40 An ... Platform Delegation of the European Union CCAMLR-38/26 Proposal to introduce a vessel cap in the ...

   Meeting

9. Benthos: Trophic modelling of the Ross Sea

   generic bacteria and detrital model groups. We use a definition here of megabenthos >20 mm in size ... near-shore Ross Sea megabenthos in waters shallower than 30 m depth. The majority of studies of ... order of 1.3 gDW ind-1. This gives an average biomass density of A. colbecki of 30 gDW m-2 in Terra ... defined here as organisms between 0.2 and 20 mm in size. A strict size- based demarcation between mega and ...

   Document : Site Section: Publications

10. The Antarctic toothfish: how common a prey for Weddell seals?

    common (as evidenced by more than 30 years of sustained research projects on that toothfish population ... Antarctic toothfish (Dissostichus mawsoni) in McMurdo Sound, Antarctica, during 2001-2003 austral summers ... . In addition to past reports of isolated toothfish captures, the frequency of these observations and ... Weddell seals, and that the recent development of a toothfish fishery in the Ross Sea may have broader ...

    Meeting Document : WG-EMM-07/P4 : Auteur(s): P.J. Ponganis and T.K. Stockard (USA)

Pages