Search results
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Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations
Abstract: We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... chick rearing period of the breeding cycle at South Georgia. At this time the activity range of these ... . In contrast, kernel estimation reveals that the main foraging areas of these two sympatric ...
Meeting Document : WG-FSA-99/19 : Author(s): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)
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A proposal for the establishment of a Ross Sea region Marine Protected Area
Abstract: The delegation of New Zealand proposes the establishment by the Commission for the ... Conservation of Antarctic Living Marine Resources (Commission or CCAMLR) of a marine protected area (MPA) in ... the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of the globally ... significant ecological, environmental, scientific and historic values of the Ross Sea Region, and in line with ...
Meeting Document : CCAMLR-XXXI/16 Rev. 1 : Author(s): Delegations of New Zealand and the USA
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Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations
Abstract: We develop a new approach to quantifying habitat use within the foraging ranges of ... satellite-tracked seabirds. We applied kernel estimation techniques to 167 days (3738 locations) of data ... -rearing period of the breeding cycle at South Georgia. At this time the activity range of these two ... contrast, kernel estimation reveals that the main foraging areas of these two sympatric, congeneric species ...
Meeting Document : WG-EMM-01/67 : Author(s): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)
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Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land
of the population monitoring show that the number of pairs with chick or egg varied between 55,387 ... -178,240 (mean 119,000). Assuming that about 10 % of the colony is situated in inaccessible parts outside ... the area covered by the monitoring system the mean number of pairs producing a chick each year is ... about 132,000. On average 52% of the reproductive fraction of the population breeds each year indicating ...
Meeting Document : WG-EMM-97/78 : Author(s): Lorentsen, S., Tveraa, T., Røv, N.
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Design of the used on Russian vessels Sparta and Chio Maru No. 3 bottom trot-line for toothfish fishing
Abstract: This work is prepared in accordance with recommendation of 4.18 WG-SAM-12 about ... submitting of data on fishing gears` construction that was used on Russian longliners Sparta” and “Chio Maru ... №3”. The trotline of a special design that was used is formed of main floating line and fastened ... catching of VME-organisms to a large extent, because at the presented design of a longline each line with a ...
Meeting Document : WG-FSA-12/22 : Author(s): I.G. Istomin, V.V. Akishin, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Proposal for a second longline survey of toothfish in the northern Ross Sea region (SSRUs 882A and B)
Abstract: We propose the continuation of a multi-member research project using standardised ... longline gear to sample the toothfish populations in the northern areas (61°‑ 66° S) of SSRUs 88.2A–B. The ... purpose of the research as requested by the Scientific Committee (SC-CAMLR XXXII, paragraph 3.76) is to ... patterns and improve estimation of population characteristics by Ross Sea spatial population models. Four ...
Meeting Document : WG-SAM-16/15 : Author(s): S.J. Parker, R.J.C. Currey, M. Söffker, C. Darby, D. Welsford and O.R. Godø
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Next steps in development of Marine Protected Area in the Argentine Islands Archipelago water area
Abstract: The results of the research aimed at further substantiation and development of the ... Marine Protected Area in the area of the Ukrainian Antarctic Station Academician Vernadsky are presented ... . In order to study the structure and biodiversity of benthic communities in the water area of the ... Argentine Islands, the underwater research and acoustic survey were conducted. During the period of 2014 ...
Meeting Document : WG-EMM-18/32 : Author(s): A. Utevsky, E. Sinna, D. Smyrov, M. Shrestha, Y. Gamulya, G. Ukhno, R. Khodzhaeva, Y. Utevsky, V. Levenets and S. Utevsky
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Variability and predictability of Antarctic krill swarm structure
Abstract: Swarming is a fundamental part of the life of Euphausia superba, yet we still know very ... -concentration and inter-swarm distance of 4525 swarms was derived by this method. Hierarchical clustering ... ) whereas type 2 swarms were an order of magnitude larger and had packing concentrations up to 10 times ... greater. Further sub-divisions of these types identified small and standard swarms within the type 1 group ...
Meeting Document : WG-EMM-10/P10 : Author(s): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper
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Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels
collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... use of torpedo-shaped steel weights. Steel weights are smaller, lighter for equivalent mass, more ... chartered Spanish-rig longline vessel to determine the statistical relationship in sink rates of longlines ... equipped with bags of rocks (4 kg, 6 kg and 8 kg) and lines with steel weights of equivalent masses. The ...
Meeting Document : WG-FSA-07/15 : Author(s): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)
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Last investigations of Ukraine in Antarctica connected with assumed marine protected area
Abstract: Description of some biological and ecological investigations of Ukraine in Antarctica ... in vicinity of Argentine Islands Archipelago are presented. Main activity: investigations of birds ... variations study of the atmosphere ozonedepleting organic halides, study of the ice caps and glaciers ... dynamics, influence on environment pollution. Author(s): Delegation of Ukraine Title: Last investigations ...
Meeting Document : WG-EMM-06/33 : Author(s): Delegation of Ukraine