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Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters
Abstract: The use of allozymes as a tool in stock structure analysis was examined in the ... . Clearly resolved enzyme phenotypes were obtained at 18 loci, of which 7 exhibited polymorphism at the 0.95 ... ; phosphoglucose mutase, PGM-II 2.7.5.1; pyruvate kinase, PK 2.7.1.40). Routine scoring of 116 fish at the 18 loci ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ...
Meeting Document : WG-FSA-90/10 : Автор(ы): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...
Meeting Document : SC-CAMLR-VII/BG/05 : Автор(ы): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region
Abstract: High resolution VME taxa bycatch data (at the longline segment level) has been ... these data allows the detectability of sponges and gorgonian corals to be estimated, along with changes ... % of the time when present, and gorgonian patches are detected more than 60% of the time. Video ... transects on the Ross Sea slope from New Zealand’s 2008 IPY voyage provided data on the fine scale ...
Meeting Document : WG-EMM-10/28 : Автор(ы): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... Marine Protected Areas (MPAs) in Domain 1 of CCAMLR. The workshop was held in Buenos Aires, Argentina ... , from 25 to 29 May 2015. During the workshop, discussions were concentrated in reviewing and analyzing ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ...
Meeting Document : WG-EMM-15/42 : Автор(ы): Second WS-MPA Domain 1
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Adélie penguins’ response to unmanned aerial vehicle at Cape Hallett in the Ross Sea region, Antarctica
Antarctica, but there are concerns about the disturbance it causes to penguins in the process. Since 2016 ... count Adélie penguins’ nests at Cape Hallett, but the impact of using this method on breeding penguins ... has not been investigated. An annual survey should be conducted to determine the population size of ... Adélie penguins in this area, because Cape Hallett was designated as a new site for the Ecosystem ...
Meeting Document : WG-EMM-2019/36 Rev. 1 : Автор(ы): J.-H. Kim, Y.-S. Kim, J.-W. Jung, W.Y. Lee, H.-C. Kim, J.H. Kim, H. Chung and H.C. Shin
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January – February 1987
Abstract: Surveys of the South Shetland Islands, Antarctica in 1987 provided data on the size and ... location of penguin and Antarctic Blue-eyed Shag colonies and the breeding status of other seabirds. Our ... estimate of 1,618,370 to 2,084.570 breeding Chinstrap Penguins, the most abundant penguin in the study area ... . is two to three times the previous estimate. Other seabird species were also found to be more ...
Meeting Document : SC-CAMLR-VI/BG/19 : Автор(ы): W.D. Shuford and L.D. Spear (USA)
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New data on trematodes (Plathelminthes, Trematoda) of fishes in the Ross Sea (Antarctic)
Abstract: Records of 14 trematode species, collected from bottom fishes from the western and ... northern parts of the Ross Sea, are given. Trematodes Otodistomum cestoides van Beneden, 1871, Lecithaster ... . are recorded from the Ross Sea for the first time. Proctophantastes sp. differs from other species of ... Proctophantastes Odhner, 1911 by the morphology of the ventral equatorial ridge of the ventral sucker. Author(s ...
Meeting Document : WG-EMM-14/P08 : Автор(ы): S.G. Sokolov and I.I. Gordeev
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New data on trematodes (Plathelminthes, Trematoda) of fishes in the Ross Sea (Antarctic)
Abstract: Records of 14 trematode species, collected from bottom fishes from the western and ... northern parts of the Ross Sea, are given. Trematodes Otodistomum cestoides van Beneden, 1871, Lecithaster ... . are recorded from the Ross Sea for the first time. Proctophantastes sp. differs from other species of ... Proctophantastes Odhner, 1911 by the morphology of the ventral equatorial ridge of the ventral sucker. Author(s ...
Meeting Document : WG-FSA-14/P02 : Автор(ы): S.G. Sokolov and I.I. Gordeev
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
Abstract: This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the ... fins and in the buccal cavity of 621 large D. mawsoni (mostly 120-150 cm). Up to five D. mawsoni per ...
Meeting Document : WG-FSA-06/28 : Автор(ы): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea
georgiana, which are the major bycatch species in the exploratory fishery for toothfish in the Ross Sea ... vulnerable to overfishing. The risk to A. georgiana is mitigated due to a CCAMLR programme to cut all skates ... from longlines whilst still in the water and release them. Macrourus whitsoni were categorized as ... overfishing, catch rates in the toothfish fishery have not declined, juveniles are not selected by the fishery ...
Meeting Document : WG-FSA-05/21 : Автор(ы): R.L. O’Driscoll (New Zealand)
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