Résultats de la recherche
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Оn seasonal and interannual dynamics of ice conditions in the Weddell Sea and its relation to the WS MPA proposal
Abstract: It is shown that the WS MPA boundaries should be revised in compliance with sea-ice ... research tasks in designated areas. Spatial planning in the Weddell Sea should make provisions that ice ... Federation Title: Оn seasonal and interannual dynamics of ice conditions in the Weddell Sea and its relation ...
Meeting Document : CCAMLR-38/BG/32 : Auteur(s): Delegation of the Russian Federation
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
to the 2007/08 fishing year. It focuses in particular on Antarctic toothfish catches taken from the ... fishing grounds of deep water (mainly > 800 m) off Terra Nova Bay, Ross Island, and in the south of ... . In preparing this paper we have identified some data sources which could potentially be used to ... in different years making interpretation difficult. Tag-recapture data from the Terra Nova Bay ...
Meeting Document : WG-EMM-09/40 : Auteur(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ... calculated and plotted against sample month. There was a weak positive trend in GSI between December and ... . Counts of growth zones in sectioned otoliths were used to determine ages and von Bertalanffy growth ...
Meeting Document : WG-FSA-07/25 : Auteur(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ... contrast, those from the Atlantic basin were found to have similar lower values in fish like haddock ... , halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... hydrographic barrier, as suggested in other studies on Patagonian toothfish, to anthropogenic sources of ...
Meeting Document : WG-FSA-06/24 : Auteur(s): K. Dawson Guynn and M.S. Peterson (USA)
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
Abstract: The biennial South Georgia Groundfish Survey was undertaken in January 2006 on board ... the N and NE of South Georgia. Fish in spawning condition (Stage IV) were found at the eastern end of ... + fish in 2003. The toothfish diet was dominated by Patagonotothen guntheri. Acoustic observations were ... made in association with both demersal and pelagic data and will help discriminate icefish from other ...
Meeting Document : WG-FSA-06/51 : Auteur(s): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)
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The utility of satellite remote sensing for identifying the location and size of penguin breeding sites in Antarctica: a review of previous work and specifications of some current satellite sensors
Antarctica and the sub-Antarctic islands, satellites offer obvious potential for such a task in this region ... with respect to the following issues: spectral response of surrounding material, variability in the ... spatial resolution of the technology and penguin breeding sites. Developments in satellite technology ... directions for further evaluation work, and possible survey design options for addressing deficiencies in ...
Meeting Document : WG-EMM-03/51 : Auteur(s): C. Southwell and L. Meyer (Australia)
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Foraging interactions of wandering albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean
Wandering Albatrosses breeding on Marion Island in order to assess the scale of interactions with known long ... island, in warmer waters, and showed high spatial overlap with areas of intense tuna Thunnus spp. long ... items. Independent of these seasonal differences, females foraged farther from the islands and in warmer ... in the survival probabilities of males and females. Non-breeding birds foraged in warmer waters and ...
Meeting Document : WG-FSA-01/10 : Auteur(s): D.C. Nel, P.G. Ryan, J.L. Nel, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)
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Aerobic dive limit: how often does it occur in nature?
constraint in their everyday behaviors. An important component of the physiological capability of any diving ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ... within the cADL. In contrast, many individuals of both sea lion species exceeded the cADL, some by ... with the dive pattern of individual animals. In both Antarctic Fur Seals and Australian sea lions ...
Meeting Document : WG-EMM-00/48 : Auteur(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)
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Summary of a three year mark-recapture experiment to estimate population size of Antarctic toothfish (Dissostichus mawsoni) in Southern Area of Statistical Subarea 48.4
Abstract: A three-year tagging experiment was initiated by the UK in 2008/09 fishing season with ... mawsoni) in South of Statistical Subarea 48.4. This paper presents the results for D. mawsoni. Fishing ... vessel between 2008/09 and 2009/10, but the spatial coverage of fishing effort was reduced in 2010/11 due ... decline in catch rates over the three year study, more so between 2010 and 2011. A total of 476 D. mawsoni ...
Meeting Document : WG-FSA-11/31 Rev. 2 : Auteur(s): R.C. Wakeford, J. Roberts and R.E. Mitchell (United Kingdom)
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JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
concentrated to the Subarea 48.3. The observer coverage was 32.2 – 51.4 %, and exceeded 50 % in 2007/08 season ... bycatch species in order to ensure their skill in data and sample collection. Resultant data and samples ... the krill samples revealed the occurrence of black-spot disease in Antarctic krill and its relation to ... FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS Approval: Approved ...
Meeting Document : WG-EMM-09/19 : Auteur(s): M. Kiyota and T. Iida (Japan)