Resultados de la búsqueda
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Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
conducted by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division since ... biomass to update B(0) in the area and (2) oceanographic observations in the area to detect long term ... changes if any. The krill survey (echosounder–EK80 and RMT) and subsequent biomass estimation will follow ... the CCAMLR standard protocol. Utility of 70 kHz in addition to 3 standard frequencies (38, 120 and 200 ...
Meeting Document : SG-ASAM-18/03 : Autor(es): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii
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Unfolding connectivity patterns along the Antarctic Circumpolar Current in the sub-Antarctic region
Abstract: The sub-Antarctic region-here considered between the sub-Antarctic Front and the ... southern boundary of the Antarctic Circumpolar Current (ACC)-falls under many distinct jurisdictions ... , including Exclusive Economic Zones (EEZs) of several countries, as well as the areas of competence of ... several international bodies as the SEAFO, SIOFA and CCAMLR. However, in oceanographic terms, these zones ...
Meeting Document : WG-EMM-2019/71 : Autor(es): S. Sergi, G. Grizaud, C. Cotté and F. d’Ovidio
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at Heard Island
present study no euphausiid remains were found, so the increasing population at Heard Island has been ... remains. Pelagic myctophids constituted more than 50% of fish taken by fur seals at the beginning of the ... summer season and again at the end when there was an influx of non-breeding male seals. During the middle ... period from October to December, fish from the surrounding shelf area comprised the bulk of the diet ...
Meeting Document : SC-CAMLR-VIII/BG/53 : Autor(es): Delegation of Australia
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
Abstract: A Research and Monitoring Plan for the Ross Sea region MPA (RSRMPA) has been endorsed ... by the Scientific Committee (SC-CAMLR-XXXVI/20). The Plan identifies research questions that aim to ... facilitate assessment of the degree to which the RSRMPA achieves its objectives. The Plan also identifies a ... characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Autor(es): Delegation of the USA
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19
Abstract: The Amundsen Sea region toothfish fishery has been operating since 2003. The biological ... characterisation of the fishery showed a truncation of the right-hand limb of the age distribution between 2004 and ... the ASR be made a priority to develop annual age-length keys and age frequencies. We further recommend ... that catch limits in the ASR be calculated following the trend analysis rules developed by WG-FSA for ...
Meeting Document : WG-FSA-2019/12 : Autor(es): J. Devine and S. Parker
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
previous years which had little or no winter sea-ice development. The hypothesized relationships between ... 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 ... extensive sea-ice development. These trends potentially will have a major impact on the structure and ...
Meeting Document : WG-EMM-96/21 : Autor(es): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
. The standing stock for most species has fluctuated, with no signal of substantial year classes or ... Abstract: The United States Antarctic Marine Living Resources (U.S. AMLR) program has conducted ... bottom trawl surveys of the South Shetland Islands (Subarea 48.1) during the 1998, 2001, and 2003 austral ... patterns from the 2003 survey is presented. The spatial distributions and standardized densities for ...
Meeting Document : WG-FSA-03/38 : Autor(es): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)
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Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999
the water, however, no clear evidence of vertical migrations was found. Between February and April ... Abstract: The distribution, density and length composition of krill in commercial concentrations ... were investigated in the regions of South Shetland, Elephant, South Georgia and South Orkneys in spring ... and summer 1997-1999. The concentration densities varied with area and season. The densest ...
Meeting Document : WG-EMM-01/13 : Autor(es): E. Jackowski (Poland)
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
examined in the laboratory. There was no significant difference between the median length at maturity for ... Abstract: Photographs of skates taken by observers on New Zealand toothfish longliners in the ... ). Nearly all of the skates caught were returned to the sea (discarded or tagged). A considerable proportion ... of these were returned in good condition and were considered likely to survive. Estimates of the ...
Meeting Document : WG-FSA-08/20 : Autor(es): M.P. Francis and S. Mormede (New Zealand)
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
Abstract: The subject of research was geostrophic circulation of water masses, spatial ... flow at various spatial-temporal scales in the Scotia Sea. According the discussion at WG-EMM-2018 ... (paragraph 2.24-2.27), particular attention is paid to the special field studies across time to improve ... understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ...
Meeting Document : WG-EMM-2019/58 : Autor(es): S. Kasatkina and V. Shnar