Search results
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Hydrographic conditions around Elephant Island during austral spring 1994
Abstract: Based on a data set sampled during November/December 1994 in the Elephant Island ... Plateau Region by RV POLARSTERN, a water mass analysis is performed which reveals the approximate location ... of the Weddell-Scotia Confluence. Vertical distribution of oceanographic parameters temperature ... outline the genera! flow as given by the geostrophic part of the circulation. Compared to American field ...
Meeting Document : WG-EMM-95/16 : Author(s): Stein, M.
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A conceptual model of Japanese krill fishery
Abstract: The behaviour patterns of Japanese krill fishery vessels in Area 48 were analysed using ... questionnaires on the reasons why the vessel changed their fishing grounds, which were sent out to of the ... Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ... , krill density, krill, size, ice condition, transshipment, and salp-by catch accounted for 95.6% of the ...
Meeting Document : WG-EMM-05/30 : Author(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land
Svarthamaren, Dronning Maud Land from five field seasons between 1991/92 and 1996/97 is presented. The results ... 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 ...
Meeting Document : WG-EMM-97/78 : Author(s): Lorentsen, S., Tveraa, T., Røv, N.
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Entanglement of Antarctic fur seals in man-made debris at Bird Island, South Georgia
Abstract: The incidence of entanglement of Antarctic fur seals (Arctocephalus gazella) in Man ... -made debris at Bird Island, South Georgia, was monitored throughout the austral winter and summer of ... 1991 as part of an on-going study by the British Antarctic Survey. Only seven seals were observed ... entangled during the winter months (April- October) while 48 were sighted during the pup-rearing period ...
Meeting Document : SC-CAMLR-XI/BG/09 : Author(s): Delegation of United Kingdom
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Development of an algorithm designed to assess observer data quality and performance
Abstract: As part of the Secretariat task to ensure the quality and consistency of the data ... arising from the CCAMLR SISO, an algorithm was designed to automatically import and check data entered by ... observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ...
Meeting Document : WG-SAM-13/40 : Author(s): Secretariat
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Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas
this purpose. 2. We assessed the effectiveness of a network of MPAs around Macquarie Island in the ... Southern Ocean by examining the foraging areas of black-browed and grey-headed albatrosses that were ... breeding on the Island. 3. During late incubation and brood periods over 90% of time spent foraging by ... black-browed albatrosses Thalassarche melanophrys was contained within MPAs, principally the Economic ...
Meeting Document : WG-FSA-04/49 : Author(s): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)
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Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
Abstract: The breeding biology of the gentoo penguin, Pygoscelis papua, was studied over a three ... later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ... 14.5 days or less. The incubation period was 35 days and the laying interval, between the two eggs, 3.3 ... supply and chick growth. Chicks left the colony for the first time between 75 and 85 days of age. The ...
Meeting Document : WG-CEMP-90/38 : Author(s): T.D. Williams (United Kingdom)
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Key considerations for planning a large-scale krill survey
Abstract: Article II of the Convention requires the Commission to maintain harvested populations ... management (FBM) approaches for the krill stock in subareas 48.1 to 48.4. These approaches include some which ... (subarea or less). However, periodic large-scale surveys (comparable to the CCAMLR 2000 synoptic survey ... ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ...
Meeting Document : WG-EMM-15/27 : Author(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
like seabirds. In the Southern Ocean, there is an extensive fishery for Antarctic krill Euphausia ... this context, it is important to consider not only predators breeding near the fishing grounds but also ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... Antarctic krill fisheries and the distribution of a krill dependent seabird, the Antarctic petrel ...
Meeting Document : WG-EMM-16/P15 : Author(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe
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Notification for scientific research in 2017/18: proposal to participate in research plan for Antarctic toothfish in Subarea 88.3
Abstract: New Zealand proposes to contribute to a multi-member research plan to sample the ... toothfish population in Subarea 88.3. Although this has been written as a stand-alone proposal, the ... conduct research in this subarea. There is considerable uncertainty about the abundance of Antarctic ... toothfish in Subarea 88.3 and the Scientific Committee has requested members complete research in this area ...
Meeting Document : WG-SAM-17/38 : Author(s): Delegation of New Zealand