Resultados de la búsqueda
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High densities of pennatulaceans (sea pens) encountered at sites in the South Orkney Islands (Subarea 48.2): three potential Vulnerable Marine Ecosystems
marine ecosystem (VME) indicator taxa, were encountered at three sites on the northeastern shelf of the ... in bottom trawl catches, are provided. These three new sites are in close proximity to two other ... currently registered VMEs, one of which was based solely on high densities pennatulaceans. Although the ... three proposed new VMEs are consistent with requirements for designation as VMEs under CM 22-06, it is ...
Meeting Document : WG-EMM-18/36 : Autor(es): C.D. Jones
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The SCAR Antarctic digital topographic database
Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging ... from 1:200 000 to 1:5 000 000, were digitized for the project and reference was made to a similar ... coastline now available. The topographic database created, to be published on one CD-ROM, will form the ... foundation for future GIS needs in Antarctic research. Products already derived from the database include ...
Meeting Document : SC-CAMLR-XII/BG/16 : Autor(es): Delegation of United Kingdom
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Abundance, distribution, energy density and trophic position of euphausiids during winter 2012: preliminary results from the first US AMLR Winter Survey
collection and analysis of water samples from fixed depths. Net tows for euphausiids and other pelagic ... reporting the distribution, size and properties of krill and other euphausiids and present some data on ... water column properties. Future years will include more detailed sampling using a multi-net tucker trawl ... , ice cores for examination of ice properties, and continued development of genomic studies to ...
Meeting Document : WG-EMM-13/40 : Autor(es): C. Reiss and C. Jones (USA)
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Trade data analysis – A report of trends and supply chains in CDS data
largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ... identified the greatest trade relationship for both years was between France and Viet Nam. Author(s): CCAMLR ... Abstract: Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ...
Meeting Document : CCAMLR-XXXVII/BG/03 : Autor(es): CCAMLR Secretariat
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ANALYSIS OF ROSS SEA TAGGING AND RECAPTURE RATES
year and recapture year for tags released and recaptured in the same SSRUs on the slope of 88.1 was ... compiled for the years 2003-2006. Recapture rate was expressed as tags captured/tags released/fish scanned ... was some evidence for suggesting that recapture rates are highest when the fleet and tagging fish is ... , for inclusion in the Ross Sea stock assessment. Author(s): D.J. Agnew (UK) Title: ANALYSIS OF ROSS ...
Meeting Document : WG-SAM-08/07 : Autor(es): D.J. Agnew (UK)
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EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON
most areas south of 60 °S) to monitor longline bycatch for VME indicator organisms. Observers ... these samples for subsequent onshore classification by taxonomists. Comparison of the observer’s ... classification versus the taxonomist’s classification showed that for most groups, the observer classifications ... were reasonably accurate. Classification of two groups requires further development of training ...
Meeting Document : TASO-09/08 : Autor(es): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
juvenile krill. We found evidence for environmental controls on recruitment, including a reduced density of ... Abstract: High-latitude ecosystems are among the fastest warming on the planet. Polar species may ... Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... , with associated nonlinear adjustments in the roles of keystone species, poses challenges for the ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... . This process will fill an important gap in current discussions on climate change impacts on marine ... implementing an early-warning system to identify imminent climate change impacts on global ecosystem services ... Abstract: The first international workshop on implementing a Southern Ocean Sentinel program was ...
Meeting Document : WG-EMM-09/37 : Autor(es): A.J. Constable
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Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)
Abstract: Age determination was carried out on Notothenia gibberifrons specimens collected at two ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low I ... lower than the ones reported previously for specimens of South Bay, Palmer Archipelago. Possible reasons ... for these differences are discussed. It is expected that the Otoliths/Scales/Bones Exchange System ...
Meeting Document : WG-FSA-88/15 : Autor(es): E. Barrera-Oro (Argentina)
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Pilot test of techniques to mitigate seabird interactions with catcher processor vessels in the Bering Sea pollock trawl fishery: final report
streamer lines, the snatch block, and the warp boom on two factory trawlers retrofitted to allow for the ... require refinement for practical and safe application. Deterrents applied directly on the third wire were ... techniques for future testing that are likely to reduce seabird interactions with catcher processor trawl ... vessels operating the Bering Sea fishery for pollock (Theragra chalcogramma) and that are practical and ...
Meeting Document : WG-FSA-05/37 : Autor(es): E.F. Melvin, K.S. Dietrich and T. Thomas (USA)