Resultados de la búsqueda
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
48.4 near South Sandwich Islands. The main water masses were revealed and their boundaries determined ... : waters of Antarctic Circumpolar Current, Weddell Sea and Secondary Frontal zone of Weddell Gyre. The ... schematic maps of geostrophic waters circulation are made. The joint analysis of environment parameters and ... length frequency, maturity stages and waters inhabited. Distribution of the 1st krill group (juveniles 25 ...
Meeting Document : WG-EMM-00/33 : Autor(es): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)
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Some comments on the procedure of krill target strength assessment in echosurveys
Abstract: The impact of midwater trawl selectivity and catchability upon TS and TS 1 kg estimates ... . Application of the proposed method of mean weighted TS 1 kg estimation provides the biomass estimation ... determined actually only by MSBS (or MVBSS) acoustic parameter distribution and independent on the midwater ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ...
Meeting Document : WG-EMM-98/21 : Autor(es): S.M. Kasatkina (Russia)
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Marine Protected Areas in the Southern Ocean: update on current status of designated areas
Abstract: The development of a representative system of Antarctic marine protected areas (MPAs ... ) will require up to date information on the location, conservation aims and current status of protected ... areas designated within the Convention Area. As at August 2011, there is one designated MPA managed by ... CCAMLR. In addition, the ATCM has designated 6 exclusively marine Antarctic Specially Protected Areas ...
Meeting Document : WS-MPA-11/19 : Autor(es): S.M. Grant and P.N. Trathan (UK)
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Antarctic toothfish and macrourids are likely important prey of Arnoux’s beaked whales in the Ross Sea region
Abstract: On the basis of circumstantial evidence, an elevated likelihood exists that Antarctic ... toothfish and the most-caught by-catch species, macrourids, in the Area 88 fishery are important components ... in the diet of the Arnoux’s beaked whale (Berardius arnouxii), which is a component of the Ross Sea ... macrourids are likely important prey of Arnoux’s beaked whales in the Ross Sea region Approval: Approved ...
Meeting Document : WG-EMM-09/15 : Autor(es): R.L. Brownell Jr and D.G. Ainley (USA)
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PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
Abstract: Assessing the impacts of fishing on Vulnerable Marine Ecosystems (VMEs) in the Southern ... Ocean is hampered by the paucity of information on the resistance and resilience of these ecosystems to ... physical and chemical variables. Where records for the Southern Ocean exist, they fall within general ... data are presented for the phylum Cnidaria, an important group of habitat-forming organisms that are ...
Meeting Document : WG-EMM-09/35 : Autor(es): K. Martin-Smith (Australia)
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BOOK REVIEW: WHALES OF THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev
Abstract: Examined the distribution and migration patterns of whales in the Southern Hemisphere ... . The presence of a new species of killer whale in the Antarctic, Orcinus nana, is shown. The impacts of ... extermination of whales in the Antarctic ecosystem are examined. Regions are defined which could be used as ... THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev ...
Meeting Document : WG-FSA-09/11 : Autor(es): Delegation of Ukraine
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THE ANTARCTIC KRILL AND ECOSYSTEM SURVEY WITH R/V “G. O. SARS” IN 2008
Abstract: This report describes the multipurpose AKES survey (Antarctic Krill and Ecosystem ... Studies) carried out with R/V G. O. Sars, 4.01-27.03.08, including some selected results. The main ... purposes for the AKES project were to • evaluate the links between the krill resources and distribution in ... the area and Bouvetøya based mammals and birds • study krill biology and ecology • establish TS ...
Meeting Document : WG-EMM-08/28 : Autor(es): 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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Squeezed from both ends: Decline in Antarctic fur seals in the South Shetland Islands driven by both Top–down and Bottom–up processes
Abstract: Understanding the relative contributions of different sources of mortality and survival ... in predator populations can improve ecosystem models and management of marine ecosystems. Within the ... Antarctic fur seals, top-down processes are most cited as the primary driver for declining pup production ... . This has led to an under emphasis of the role of bottom-up drivers for controlling fur seal production ...
Meeting Document : WG-EMM-14/39 : Autor(es): M.E. Goebel and C.S. Reiss (USA)
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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 ... sp.). Several measures have been developed and tested over the years to mitigate depredation by ... 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 ...
Meeting Document : WG-SAM-15/28 : Autor(es): R. Faulkner, N. Edmonds and M. Soeffker (United Kingdom)
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A bioenergetics model assessment of the prey consumption of Adélie penguins in Subarea 48.1 and 48.2
Abstract: We present a preliminary analysis to estimate the consumption of prey by Adélie ... penguins Pygoscelis adeliae in Subareas 48.1 and 48.2 during the period when penguins are constrained by ... breeding. We parameterised our analysis using data from the population of Adélie penguins breeding at Signy ... Island, South Orkneys. We show that the highest levels of consumption occur during the crèche and pre ...
Meeting Document : WG-EMM-17/32 : Autor(es): C. M. Waluda, L. Emmerson, C. Southwell and P.N. Trathan