Search results
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THE ANTARCTIC KRILL AND ECOSYSTEM SURVEY WITH R/V “G. O. SARS” IN 2008
(Target strength; the ability of an organism to reflect sound) for krill and ice fish • study aggregations ... purposes for the AKES project were to • evaluate the links between the krill resources and distribution in ...
Meeting Document : WG-EMM-08/28 : Author(s): S.A. Iversen (Norway), W. Melle, E. Bagøien, D. Chu, B. Edvardsen, B. Ellertsen, E. Grønningsæter, K. Jørstad, E. Karslbakk, T. Klevjer, T. Knutsen, R. Korneliussen, H. Kowall, B. Krafft, S. Kaartvedt, P.B. Lona, S. Murray, L. Naustvoll, L. Nøttestad, M. Ostrowski, V. Siegel, Ø. Skagseth, G. Skaret, H. Søiland, X. Zhao and C.B. Årnes
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Important Bird Areas (IBAs) in Antarctica
submitted a Working Paper (WP) and an Information Paper (IP) on Important Bird Areas to the Committee for ... recently completed analysis on IBAs based on the consistent application of global criteria for bird ...
Meeting Document : WG-EMM-15/32 : Author(s): P.A. Penhale (USA)
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Science
attention on scientific study as an essential basis for protection and rational use of Antarctic marine ... marine ecosystem as a basis for the future management of potential living resources ’. The scientific ... outcomes of the BIOMASS program laid the foundation for the primary role of science in the CAMLR Convention ... and its use by the Commission in achieving its objectives. The main route for scientific advice in ...
Page : Site Section: Science
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Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries
report these, this document provides an overview of the South African fishing sectors most likely to ... impact on these seabirds. A summary is provided of the recorded number of mortalities for each fishery ... Area. The demersal trawl and pelagic longline fisheries are responsible for the highest recorded ... mortalities of seabirds. Independent research and measures imposed in the permit conditions for these sectors ...
Meeting Document : WG-IMAF-11/11 : Author(s): C. Heineken and P. Mullins (South Africa)
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PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
(cachalotera nets). 2. CPUE (kg/1000 hooks and kg/set) was greater for trotlines than Spanish system lines when ... potential of this gear to reduce cetacean depredation. 3. By-catch to catch ratio was greater by number for ... in much poorer condition to the extent that they were unsuitable for tagging and releasing. 5 ... depredation. ii. Significant problems in understanding the meaning of CPUE for trotlines, and consequently in ...
Meeting Document : WG-FSA-08/44 : Author(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
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Reproduction in the mackerel icefish (Champsocephalus gunnari) at South Georgia
underlying cause is probably due to a shortage of krill, an important dietary item for Champsocephalus ...
Meeting Document : WG-FSA-91/07 : Author(s): I. Everson (United Kingdom), K.-H. Kock (Germany), G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)
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APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS
Abstract: A submersible multifrequency acoustic TS-probe was used for measuring the target ... strength of Antarctic krill in situ at short range. The experimental methods, procedure for data retrieval ... and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ... for pressure, compass, pitch and roll. A stereo camera system was also mounted directly on the ...
Meeting Document : SG-ASAM-09/13 : Author(s): G. Skaret, L. Calise and E. Ona (Norway)
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Monitoring and management in the Antarctic – making the link between science and policy
Abstract: Management of human impacts in the Antarctic requires an effective system of monitoring ... compared to agreed targets. However, defining such target levels for the Antarctic, where the aim is to ... minimise human impacts, is a complex process. Although potential analogues for target setting exist in ... . The challenge for scientists and policymakers working in the Antarctic is to provide quantitative ...
Meeting Document : WG-EMM-07/P9 : Author(s): K. Reid (United Kingdom)
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
Subareas 48.1 and 48.2). These areas, which have been proposed for inclusion in the CCAMLR VME registry ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ... trigger level that could be used to provide a basis for notification of a VME, based on CCAMLR Scientific ... for potential additional VMEs in Subarea 48.2 (not notified), based on rarity of taxa and/or ...
Meeting Document : WG-EMM-09/32 : Author(s): S.J. Lockhart and C.D. Jones (USA)
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Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015
directed to undertake an opportunistic marine science survey for 17 days during 21 February to 10 March ... 2015 using ship time that became available due to unexpectedly favourable ice conditions for Mawson ... variability, particularly along the shelf break, of the prey field for penguins, flying seabirds and marine ...
Meeting Document : WG-EMM-15/22 : Author(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)