Résultats de la recherche
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A statistical assessment of the status and trends of Antarctic and sub-Antarctic seabirds (prepared for the SCAR Bird Biology Subcommittee and SC CAMLR) Working draft as of June 2000
. Weimerskirch (France) Title: A statistical assessment of the status and trends of Antarctic and sub-Antarctic ... seabirds (prepared for the SCAR Bird Biology Subcommittee and SC CAMLR) Working draft as of June 2000 ...
Meeting Document : WG-EMM-00/16 : Auteur(s): E.J. Woehler (Australia), J. Cooper (South Africa), J.P. Croxall (United Kingdom), W.R. Fraser (USA), G.L. Kooyman (USA), D.G. Miller (South Africa), D.C. Nel (South Africa), D.L Patterson (USA), H.-U. Peter (Germany), C.A. Ribic (USA), K. Salwicka (USA), W.Z. Trivelpiece (USA) and H. Weimerskirch (France)
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
biomass. Much of the A. georgiana catch occurs in SSRUs 88.1H and 88.1I in an area remaining open to ... between 1.6 and 2.8%. However, there is still uncertainty in the impact of exploitation on skates, and ... for skates in the Ross Sea region, we summarise skate catch and mark-recapture data through the 2016 ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Auteur(s): S. Parker and M. Francis
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Oceanic debris observations in the southern ocean whale sanctuary, from Antarctic Peninsula to the Ross Sea: December 1994 to March 1995
Ross Sea, whereas non-penguin feathers dominated north and northwest of the Ross Sea. In the southern ... Abstract: Observations of natural and man-made floating megalitter, macrolitter and mesolitter in ... the Pacific section of the Southern Ocean Whale Sanctuary from December 1994 to March 1995 are ... reported. Natural megalitter, mostly seaweed, was concentrated In the more northern latitudes near the ...
Meeting Document : SC-CAMLR-XVI/BG/29 : Auteur(s): ASOC Observer
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Benthos by-catch study and benthic cameras deployment during the Poker 4 fish biomass survey for habitat characterisation in the Kerguelen Plateau
CCAMLR a new data acquisition protocol for benthos bycatch in the French fisheries of the Southern Ocean ... , benthic cameras permitted to observe the substrates in this northern part of the Kerguelen Plateau ... Abstract: The Muséum national d’Histoire naturelle presented at the 2017 EMM Working Group of the ... protocol is based on the sampling of specimens and the weighing and photographic sampling of the whole ...
Meeting Document : WG-EMM-18/20 : Auteur(s): A. Martin, J. Blettery, N. Améziane and M. Eléaume
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Preliminary information on inshore demersal fish from the Danco Coast, Antarctic Peninsula, in the 1999/00 summer season
), Danco Coast, West Antarctic Peninsula, in the summer season of 2000. The families Nototheniidae ... occurrence of G. gibberifrons in the Danco Coast. This supports the hypothesis that the commercial fishery ... around the South Shetland Islands at the end of the 1970s was responsible for the decrease in the inshore ... population of G. gibberifrons in that area during the last seventeen years. Information on reproduction and ...
Meeting Document : WG-FSA-00/63 : Auteur(s): R. Casaux, E. Barrera-Oro, A. Baroni and A. Ramón
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
function of the Antarctic marine ecosystem. In the Antarctic Peninsula region winter sea-ice coverage is a ... blooms, and decreased abundance of krill-dependent Adelie penguins (Pygoscelis adeliae) in the past 15 ... Abstract: There is a growing body of evidence that the climate of the Antarctic Peninsula region ... has been warming over the past 40 years with an associated decreased frequency of winters with ...
Meeting Document : WG-EMM-96/21 : Auteur(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur
monitoring. Realistic understanding of what can and cannot be achieved with the available sampling techniques ... -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... , for example the FBM. Sustainable management of fisheries resources requires quantitative knowledge ... . Conventional sampling by physical capture is inconsistent with the spatial and temporal scales on which many of ...
Meeting Document : WG-EMM-15/P01 : Auteur(s): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen
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A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic
fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... , was examined to verify the calibration result. The analysis result confirmed the possibility of ... calibration by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S ...
Meeting Document : WG-EMM-16/61 : Auteur(s): Delegation of the Republic of Korea
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999
% more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ... the same vessel, using the same gear design and at the same time of year, show marked decreases in ... Petrels P. cinerea (6%). A worrying development is the increase in numbers of Grey Petrels killed (only ... primarily linked to daytime sets, with most birds caught in the late afternoon or shortly after dusk. Use of ...
Meeting Document : WG-FSA-99/42 Rev. 1 : Auteur(s): P.G. Ryan and B.P. Watkins (South Africa)
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Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997
. Given the low reproductive rate of these species, these levels of mortality (exacerbated by mortality in ... the impact of uncontrolled fishing renders the last option impractical in the short term. It is ... . This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996 ... fishing trips. Some 3.2 million hooks were observed during the period November-June, representing 84 % of ...
Meeting Document : WG-FSA-97/51 : Auteur(s): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.