Résultats de la recherche
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Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
are presented and discussed in the paper. Detailed results of these studies are compiled in tables ... such as age-length keys, mean fish length by age, length and age frequency distributions in catches ... . Soviet vessels had first carded out fishery for the species in the 1984/85 season. Fishing grounds during ... this period were located in the west shelf area (48°30’- 49°30’S and 66°50’- 67°20’E). Total catch was ...
Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G
and length frequency data. Although 880 tagged fish have been released in this region, only 2 tagged ... fish have been recaptured. It is likely that the lack of recaptures of tagged fish in this region has ... effort. By drawing on the success of tagging programmes in other CCAMLR fisheries, we develop an approach ... identify four main grounds previously fished in SSRUs 88.2C–G. We recommend that in the short term (the ...
Meeting Document : WG-FSA-14/59 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of Adelie penguins in the Southern Ocean are variability in sea ice cover, ocean circulation patterns ... and terrestrial topography. We analyzed Adelie distributions in the Antarctic Peninsula region and ... concluded that Adelie penguins have discrete subpopulations in the northeastern and southwestern regions of ...
Meeting Document : WG-EMM-96/58 : Auteur(s): Fraser, W.R., Trivelpiece, W.Z.
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
describes possible ways and means (mechanisms) by which this species carries out meridional migration in ... Zone (SPFZ) occurs regularly although its intensity changes in time. The densest concentrations are ... observed here in the spring-summer period (November to February) when zooplankton. the main dietary ... component for E. carlsbergi, is undergoing rapid development. In various areas of the SPFZ and in all ...
Meeting Document : WG-FSA-93/18 : Auteur(s): A.N. Kozlov (Russia)
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Potential effects of UV-B on krill – experimental and genetic studies
Abstract: We irradiated captive juvenile Euphausia superba in the laboratory with lower than ... spring surface levels of ultraviolet-B, ultraviolet-A and photosynthetically active radiation, in order ... to examine their response in terms of mortality and generalised activity. Levels of ... animals in the dark survived. Addition of ultraviolet-B typical of depths up to 15 m were found to ...
Meeting Document : WG-EMM-99/24 : Auteur(s): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
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KRILL FISHERY REPORT: 2009 UPDATE
Abstract: Five Members (6 vessels) are fishing for krill in Area 48 in 2008/09, and have taken ... ). Most of this catch was taken in Subarea 48.2 (51316 t) with the remainder in Subarea 48.1 (31533 t ... ). The forecast total catch of krill for the current season falls in the range 109000-147000 t. This ... compares with 156521 t of krill reported in STATLANT data in 2007/08. Recent developments in the krill ...
Meeting Document : WG-EMM-09/06 : Auteur(s): Secretariat
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Finfish research proposals for Subarea 48.6 and Divisions 58.5.2; 58.4.3a by Koryo Maru 11 for 2012/13
Abstract: South Africa has played an active part in CCAMLR since its establishment in 1982 and ... has contributed to the scientific rationale for ecosystem management in a large area of the Southern ... Marine Living Resources. The Koryo Maru 11 started with exploratory fishing in the CCAMLR Convention ... Area in 1996 and has completed a total of 47 trips to date. Regions fished include Statistical Subarea ...
Meeting Document : WG-SAM-12/21 : Auteur(s): R. Ball (South Africa)
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HEARD ISLAND AND MCDONALD ISLANDS EXCLUSIVE ECONOMIC ZONE 2009/10 IUU CATCH ESTIMATE FOR PATAGONIAN TOOTHFISH
(IUU) fishing in Australia’s exclusive economic zone (EEZ) off Heard Island and the McDonald Islands ... (HIMI). There have been no apprehensions for illegal fishing in the HIMI EEZ since the Maya V in January ... 2004. The most recent apprehension in the neighbouring French EEZ off Kerguelen Island was the Apache ... in June 2004. Despite the deterrence to IUU fishing in the HIMI region, the Australian patrols have ...
Meeting Document : CCAMLR-XXIX/BG/29 : Auteur(s): Delegation of Australia
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Estimation of the fishery–krill–predator overlap
by CCAMLR (catch in the Critical Period and Distance [CPD], Agnew-Phegan index, and Realised ... distributions. Only catch in the CPD can presently be used to estimate overlap in areas other than Subarea 48.1 ... . The catch in the CPD and the Agnew-Phegan index were closely correlated, as were the RPO and Schroeder ... reduced overlap in Subarea 48.1 after 1990. The RPO and Schroeder index indicated a greater increase in ...
Meeting Document : WG-EMM-99/11 : Auteur(s): Secretariat
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Antarctic's pelagic ecosystem: how environmental change will affect Salpidae population structure
Abstract: Dynamic climate changes have become noticeable in recent decades, especially in the ... - Euphausia superba. Presumably as a result of climatic fluctuations, a decrease in the numbers of this ... crustacean has been recorded, followed by an increase in the population of the gelatinous zooplankter Salpa ... thompsoni. In the inquiry herein presented, population and morphometric analyses on Salpa thompsoni have ...
Meeting Document : WG-EMM-15/P08 : Auteur(s): A.W. Słomska, A.A. Panasiuk-Chodnicka, M.I. Żmijewska and M.K. Mańko (Poland)