Résultats de la recherche

1. Relative abundance of large whales around South Georgia

   whaling in 1965, we report three independent sighting databases: a cruise in 1997, observations from Bird ... growing at 7% per annum. In contrast, blue and fin whales appear to be less abundant. A single blue whale ... mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ... humans, an unusually high rate of natural mortality, habitat change such as alteration in sea ice ...

   Meeting Document : WG-EMM-99/34 : Auteur(s): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)

2. Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins

   Abstract:  Predator-prey interactions play an important role in determining the dynamics of ... pelagic ecosystems. Human intervention in such interactions can have effects that cascade throughout these ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ... the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ...

   Meeting Document : WG-Joint-94/12 : Auteur(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)

3. Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates

   krill fishing and minke whaling (Balaenoptera acutorostrata) data was investigated in relation to bottom ... sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... latitudinal position and shape of the pack-ice edge. Harvesting was frequently conducted in the vicinity of a ... more southerly positioned pack-ice edge. Whaling was also undertaken in the embayments created by the ...

   Meeting Document : SC-CAMLR-VIII/BG/31 : Auteur(s): Delegation of Japan

4. Admiralty Bay (South Shetland Islands) - long-term marine monitoring program

   Abstract:  Dynamic climate changes have become noticeable in recent decades, especially in the ... biotic elements in Admiralty Bay. In this paper we provide WG-EMM with an update on proposed project ... ) marine monitoring program in the region of Admiralty Bay was started. Biological, chemical and geological ...

   Meeting Document : WG-EMM-15/47 : Auteur(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)

5. Données de base proposées pour des indicateurs de l'écosystème de la région de la mer de Ross. Partie A : Présentation sommaire des données

   characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying background ... paper (SC-CAMLR-XXXVII/BG/xx), we suggest candidate baseline data for seven indicator species listed in ... juvenile Antarctic silverfish in the RSRMPA; zone-specific estimates of the numbers of nesting pairs of ...

   Meeting Document : SC-CAMLR-XXXVII/11 : Auteur(s): Delegation of the USA

6. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   Abstract:  The Spanish system is used in a range of demersal and semi-pelagic longline fisheries ... autoline vessels, that are effective in reducing the mortality of white-chinned petrels, one of the world’s ... differences in sink rates between traditional Spanish system line weights (netting bags of rocks) and ... elliptically-shaped steel weights. In the vessel charter experiment there was a statistically significant ...

   Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

7. UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS (DIVISION 58.5.2)

   significant loss of information. Pooling the ALKs in this way meant that all commercial catch data could be ... account uncertainty due to haul-level variability in catch-at-length proportions, ALK sampling error and ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... catches and catch-at-age data for additional sub-fisheries (2 longline, 1 trawl) and pot fishing in the ...

   Meeting Document : WG-FSA-09/20 : Auteur(s): S.G. Candy and D.C. Welsford (Australia)

8. Preliminary announcement of ‘Workshop on Krill Culturing Techniques’

   techniques’ at Port of Nagoya Public Aquarium, Japan, in September 2002. Port of Nagoya Public Aquarium ... recently succeeded in reproducing and raising Antarctic krill up to juvenile stages under an artificial ... condition. Several research groups in the world are also independently developing their culturing techniques ... . Developing techniques of culturing krill in large number is thought to be a major break through for further ...

   Meeting Document : WG-EMM-01/37 : Auteur(s): Delegation of Japan

9. Light-mantled sooty albatross on Campbell Island, 1995–96: a pilot investigation

   conducted on western Campbell Island in November 1995. An extrapolation from 292 nests counted on 19 km of ... coastline, more than 77 seen on offshore islands, and 32 found in four inland areas, suggests that there ... were at least 1600 nests on the island in 1995-96. Standard vantage points were established for future ... index counts. Sixty nests were monitored, and 50% were still successfully rearing chick in January ...

   Meeting Document : SC-CAMLR-XVII/BG/09 : Auteur(s): Delegation of New Zealand

10. The Southern Ocean Observing System (SOOS): an update

    (SOOS), noting in particular the importance of the SOOS to the work of CCAMLR and the key role of CCAMLR ... in implementation of the SOOS, for example through the CCAMLR Ecosystem Monitoring Programme (CEMP ... Science and Implementation Strategy will be published in October 2011, an International Project Office has ... recently been established, hosted by the Institute of Marine and Antarctic Studies in Hobart, Australia ...

    Meeting Document : CCAMLR-XXX/BG/13 : Auteur(s): A joint submission by SCAR and SCOR

Pages