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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
Abstract: The Prince Edward Islands support the largest breeding population of the vulnerable ... Wandering Albatross Diomedea exulans. The number of birds breeding in this population has fluctuated over ... the past three decades and appears to be the result of both real changes in the size of the population ... and changes in the proportion of the population that attempts to breed in a given year. We describe ...
Meeting Document : WG-FSA-02/16 : Автор(ы): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current
Abstract: One of the longest continuing data sets involving a marine organism in the Antarctic is ... that of annual estimates of breeding population size of Adélie penguins Pygoscelis adeliae at colonies ... on Ross Island, Ross Sea, 1959 to 1997. The sizes of these colonies have displayed significant ... physical environmental factors during that part of the record with comparable sea-ice satellite imagery ...
Meeting Document : WG-EMM-01/23 : Автор(ы): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)
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The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995
Abstract: Long term fisheries observer data were used to analyse the influence of a range of ... environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... were set during summer, in southern areas of the zone, and during daylight hours. However ... , interpretation of changes in catch rates resulting from the use of mitigation measures or from weather effects ...
Meeting Document : WG-FSA-98/32 : Автор(ы): N. Brothers, R. Gales and T. Reid (Australia)
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Review of the technical recommendations for the Patagonian toothfish fishery in order to minimize by-catch
Abstract: The Patagonian toothfish fishery in the EEZ of Kerguelen (division 58-5-1) and Crozet ... (subarea 58-6) is under the management of the competent French authority, the French Southern and Antarctic ... National Museum of Natural History, Paris (MNHN). Within the context of this advice, the MNHN made ... recommendations in order to minimize fish by-catch of fish that are not targeted by the fishery campaign of 2011 ...
Meeting Document : SC-CAMLR-XXX/BG/10 : Автор(ы): Delegation of France
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IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION
decade, but little in the way of policy or operational change has resulted at CCAMLR. Over the past 50 ... years major alterations of the ecological workings of the Southern Ocean have been underway. These ... Western Antarctic Peninsula has warmed more than four times faster than the average rate of Earth’s ... the distribution and abundance of those species whose natural history patterns are closely tied to sea ...
Meeting Document : CCAMLR-XXVII/BG/27 : Автор(ы): Submitted by ASOC
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
Abstract: We present information to investigate the significance of Antarctic toothfish as a prey ... item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... overview of their use of the Ross Sea. As consumption of prey by Weddell seals (both the amount and type of ... prey) will vary between different life history stages at different times of the year in different areas ...
Meeting Document : WG-EMM-08/43 : Автор(ы): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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AN ECOSYSTEM-BASED MANAGEMENT PROCEDURE FOR KRILL FISHERIES: A METHOD FOR DETERMINING SPATIALLY-STRUCTURED CATCH LIMITS TO MANAGE RISK OF SIGNIFICANT LOCALISED FISHERIES IMPACTS ON PREDATORS.
single-species assessment of yield, and a method for implementing the procedure. The decision rule for ... setting catch limits for a given harvest strategy has a straight forward expression of the target ... of predator-prey dynamics beyond that evident in the data. It is a natural extension of the current ... precautionary approach of CCAMLR for krill and can utilise existing datasets, including B0 surveys, local scale ...
Meeting Document : WG-SAM-08/16 : Автор(ы): A. Constable and S. Candy (Australia)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands 1996/97
Abstract: The results of the first annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 1996/97 season. Neck collars of man-made debris were ... seen on 12 seals, all of which were juvenile males. Five entangled seals were observed in an area ... around Signy Island Research Station where approximately 1.3% of the fur seal population come ashore. It ...
Meeting Document : SC-CAMLR-XVI/BG/07 : Автор(ы): Delegation of the United Kingdom
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Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-Antarctic Crozet Islands
Abstract: The diet of king penguins, Aptenodytes patagonicus, rearing chicks was studied during ... of the 47 samples was 503 g. Percentages of wet and reconstituted masses showed that both fishes (66 ... and 36%, respectively) and squid (34 and 64%) are important components of the winter diet. Juveniles ... of the demersal onychoteuthid squid M oroteuthis ingens form the bulk of the cephalopod diet, and ...
Meeting Document : WG-EMM-97/09 : Автор(ы): Cherel, Y., Ridoux, V., Rodhouse, P.G.
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The fish diet of black-browed albatross Diomedea melanophrys and grey-headed albatross D. chrysostoma at South Georgia
Abstract: The fish component of the diet of black-browed and grey-headed albatrosses at South ... 1986 and 1994. Fish represented 30% and 72% by mass of the diet of black-browed albatrosses and 14% and ... 60% by mass of the diet of grey-headed albatrosses in 1986 and 1994 respectively. We determined the ... identity and quantified the contribution (by numbers, size and mass) of fish species mainly by using ...
Meeting Document : WG-EMM-96/11 : Автор(ы): Reid, K., Prince, P.A., Croxall, J.P.
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