Résultats de la recherche
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First global census of the Adélie penguin
% larger (3.79 million breeding pairs) than the last estimate in 1993. We provide the first abundance ... colonizations. These recent colonizations represent approximately 5% of the increase in known breeding ... territories. Additionally, we report on thirteen colonies not found in the survey, including eight we conclude ... changes in abundance and distribution, and finds that Adélie Penguin declines on the Antarctic Peninsula ...
Meeting Document : WG-EMM-14/P05 : Auteur(s): H.J. Lynch and M.A. LaRue
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Review of depredation mitigation methods applied within the CCAMLR Statistical Area
growing issue in fisheries around the world. Within the CCAMLR management killer whales and to a lesser ... sound, the physical protection of the catch by nets, hooks or wires or changes in fishing practise such ... of different length. However, deterrents and in particular acoustic deterrents have the potential to ... measures employed in the CCAMLR management area and their potential for disruption both in target and non ...
Meeting Document : WG-SAM-15/28 : Auteur(s): R. Faulkner, N. Edmonds and M. Soeffker (United Kingdom)
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Krill Fishery Report
summary of information related to the krill fishery in a similar format to the fishery reports that are ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ... in content to a finfish Fishery Report. Upon the recommendations from WG EMM-14 the report includes ... the same information provided in the previous report (i.e. an introduction on the background of the ...
Meeting Document : WG-EMM-15/30 : Auteur(s): CCAMLR Secretariat
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Reporting procedures for the continuous fishing method
imprecise and with some systematic errors in positioning the catch. In previous EMM meeting we proposed ... the quality of catch data. In this paper, we report a new evaluation of the reporting method. We find ... at the cost of a high uncertainty in the individual 2-hour catches. We still consider a 6-hours ... alternative approaches using instrumented observation of krill density in the mouth opening of the trawl as a ...
Meeting Document : WG-EMM-17/48 : Auteur(s): O.R. Godø and T. Knutsen
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A representative system of CCAMLR MPAs: taking stock and moving forward
Abstract: The adoption of the Ross Sea MPA in 2016 marked "the end of the beginning" of ... that the Ross Sea MPA designation was not a one-off for CCAMLR, but rather one important step in ... establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ...
Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Auteur(s): Submitted by ASOC
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Identification and speciation of Antarctic skates
(COI) were sequenced in 9 species of Bathyraja skates from the Southern Oceans and New Zealand. Based ... Ross Sea and South Atlantic. However, for Bathyraja n. sp. cf. eatonii and Bathyraja maccaini in the ... species in the North Pacific Ocean. Despite investigating four colour characters, eight meristic ... dorsal colouration was unreliable. Proportional disc width showed substantial changes in shape between ...
Meeting Document : WG-FSA-07/27 : Auteur(s): P.J. Smith, C.D. Roberts, A.L. Stewart, M. McVeagh and C.D. Struthers (New Zealand)
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CCAMLR 2000 revisited
Abstract: The total abundance of krill in the Scotia Sea was estimated from an international ... revise the precautionary catch level for krill in the area from 1.5 to 4 Mt (SC-CAMLR, 2000). By ... incorporating recent improvements in the remote identification and target strength (TS) of krill, a range of ... resulting estimates of krill biomass in the Scotia Sea are 197.78 Mt (CV=11.06%) and 37.29 Mt (CV=21.20 ...
Meeting Document : WG-EMM-07/30 Rev. 1 : Auteur(s): D.A. Demer, A.M. Cossio and C.S. Reiss (USA)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
43% on the 361 items recorded in 2003/04 that corresponded to the highest levels of summer beach ... than the previous recording period with only 23% of the total number of debris items being collected in ... stable with 4.1135kg collected this year, whilst 5.3957 kg was gathered in 2003/04. For the second ... pieces in 1995/96. Over the same 15-year period packing bands are still regularly recovered from the ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Auteur(s): Delegation of the United Kingdom
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Beach debris survey, Signy Island, South Orkney Islands, 2003/04
recovered (a decrease of 61% and 57.56% since 2002/03 respectively). There was a decrease in the number of ... reversing the rise in packaging bands experienced over the previous two seasons and marking a return to what ... has otherwise proved a declining trend since 1993/94. Despite this seasons decrease in these packaging ... fishing vessels brought into force by CCAMLR in 1995/96 has yet to prove entirely effective and should ...
Meeting Document : SC-CAMLR-XXIII/BG/15 : Auteur(s): Delegation of the United Kingdom
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Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?
Abstract: Water transported by the Antarctic Circumpolar Current (ACC) in the Southern Ocean may ... island groups with little energetic cost, and may constrain movement in other directions, influencing ... of the ACC, and off Kerguelen and South Georgia Islands, situated respectively in the southern Indian ... a likelihood method. Toothfish showed significant differences in VB parameters between the Falkland ...
Meeting Document : WG-FSA-03/84 : Auteur(s): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)