Résultats de la recherche

1. Structure and distribution of the slope fish community in the vicinity of the sub-Antarctic Prince Edward Archipelago

   investigated during the pilot survey conducted in April 2001 onboard fishing vessel MV Ibis. A total of 56 fish ... shifts in communities have occurred at 500-600 m and 800-900 m depth strata, which were probably ... exceptions most species occupy the fourth trophic level and are tertiary consumers. Wide variability in ... distribution of the slope fish community in the vicinity of the sub-Antarctic Prince Edward Archipelago ...

   Meeting Document : SC-CAMLR-XXIII/BG/20 : Auteur(s): Delegation of South Africa

2. Interannual variability of polynya extent in the Antarctic Ocean

   are trending like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the ... 1981/82 (from July 1981 to June 1982), 1991/92 and 1995/96. In the Antarctic Peninsula area, peak years ... ), coastal polynya and open ocean polynya, in the Southern Ocean. Polynya accelerates oceanic and atmospheric ... polynyas influence biological activity in the winter and spring season. However, there are no minute ...

   Meeting Document : WG-EMM-01/34 : Auteur(s): M. Naganobu and K. Segawa (Japan)

3. Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica

   encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ... showed successive decreases in abundance. Five baleen whales where recorded: Humpback, Sei, Southern ... ). Annual dissimilarity in abundance of both birds and cetaceans occurred in conjunction with changes in sea ... largest aggregations of all top predators (seabirds and cetaceans) were recorded mainly in two regions ...

   Meeting Document : WG-EMM-14/06 Rev. 1 : Auteur(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)

4. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

   population. Unlike the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute ... little to the biomass in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery ... Abstract:  A random stratified trawl survey of Mackerel icefish in 2 populations (Plateau and ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ...

   Meeting Document : WG-FSA-98/54 : Auteur(s): A. Constable and D. Williams (Australia)

5. Antarctic sea ice losses drive gains in benthic carbon drawdown

   Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... flourish in the newly exposed coastal areas. This new productivity has important consequences as the ... drawdown per year on the West Antarctic continental shelf. Carbon accumulation differs significantly ... in benthic carbon drawdown Microsoft Word File:  sc-xxxiv-bg-34 abstract.docx Approval:  Approved ...

   Meeting Document : SC-CAMLR-XXXIV/BG/34 : Auteur(s): Delegation of the United Kingdom

6. A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011

   based data show that 2011 was a year of good recruitment, following two years of low recruitment. Krill ... . Recent changes in the acoustic methodology and target strength models are the basis for the recalculation ... biomass in the northern Gerlache Strait, an area of just over 1100 km2, exceeded 110 g m-2 which results ... in a biomass of more than 128 000 tons. Refining biomass estimates and estimates of recruitment will ...

   Meeting Document : WG-EMM-11/26 : Auteur(s): A. Cossio, C. Reiss and R. Driscoll (USA)

7. Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   adult birds spending longer at sea foraging than in normal years. In most previous seasons birds have ... Island during 1998-99, a season of high chick mortality. One thousand nests perished in the three weeks ... nests compared to previous "good" seasons in which between 1200 and 1800 chicks crèched on the ... ). This season male penguins carried out fewer local trips, and both sexes spent longer at sea than in ...

   Meeting Document : WG-EMM-99/25 : Auteur(s): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)

8. Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees

   of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... probability of detection (presence) and relative abundance of adults of this zooplankton species in surface ... ) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ...

   Meeting Document : WG-EMM-10/P14 : Auteur(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season

   entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... proportion of entanglements in synthetic string (41 %) was much greater than in recent years, with fishing ... Georgia for the sixth consecutive winter (1996) and eighth consecutive summer (1996/97) are reported. In ... winter 17 seals were observed entangled, double the number in 1995 and the third highest total so far. As ...

   Meeting Document : SC-CAMLR-XVI/BG/06 : Auteur(s): Delegation of the United Kingdom

10. Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015

    Abstract:  In 2014, CCAMLR endorsed a TAC of 4410 t of Patagonian toothfish in Division 58.5.2 ... . This report describes the recent fishing and data collection activities in the fishery. The fleet has ... enhance the tagging program that was established in 1998, the fleet has increased tagging rate in this ... Trawl survey, commercial fishing in 2013/14, and archived otoliths from tagged and recaptured fish from ...

    Meeting Document : WG-FSA-15/55 : Auteur(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)

Pages