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The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia
Abstract: The diet of the white-chinned petrel at Bird Island, South Georgia was studied during ... the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and ... number of individuals) of regurgitated or lavaged adult stomach contents. Antarctic krill was the most ... important constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight ...
Meeting Document : WG-CEMP-94/14 : Автор(ы): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)
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Catch rates and length composition data of the longline fishery for Dissostichus eleginoides at the Prince Edward Islands: 1996/97
Abstract: The first reports of commercial catches of Patagonian toothfish Dissostichus ... eleginoides made in the vicinity of the Prince Edward Islands, a South African territory in the Indian Ocean ... Sector of the Southern Ocean, surfaced early in 1996. This generated both national and international ... interest in the fishery leading to a great influx of vessels to the area. By the end of 1996 up to 40 ...
Meeting Document : SC-CAMLR-XVI/BG/28 : Автор(ы): Delegation of South Africa
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
Abstract: This paper provides an assessment of the long-term annual yield for three species ... undertaken with the aim of examining the potential for the commercial trawl fisheries to significantly affect ... the spawning biomass of these stocks in the longer term. The long-term annual yield for each of the ... literature. The second part of the analysis examined the amount of each species caught in the commercial ...
Meeting Document : WG-FSA-97/30 : Автор(ы): de la Mare, W.K., Williams, R., Constable, A.
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Pre-spawning and spawning biology of the Patagonian toothfish, Dissostichus eleginoides, around South Georgia (Subarea 48.3)
Abstract: Samples gathered from research expeditions of the longliners Medvezhy (April-June 1986 ... ) as well as Maksheevo and Mirgorod (June-July 1992) have produced new data on the biology of the ... reproductive part of the Dissostichus eleginoides population in Subarea 48.3. Analysis and synthesis of these ... data have established the bathymetric distribution patterns for different size-groups of toothfish ...
Meeting Document : WG-FSA-92/13 : Автор(ы): I.N. Konforkin and A.N. Kozlov (VNIRO, Moscow, Russia)
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An attempt to derive a composite index of abundance from acoustic surveys and fishery data
Abstract: Maps of krill (Euphausia superba) density derived from acoustic survey data and the ... distribution of fishing effort in the Chilean krill fishery indicate an area of high krill density wrapping ... around the northwestern end of Elephant Island during the austral summer of 1992. In this area, the ... distribution of catch-per-fishing-time and krill density (measured acoustically) show similar forms. Search ...
Meeting Document : WG-Krill-94/14 : Автор(ы): R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA)
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Bycatch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)
Abstract: A final report of scientific observations conducted aboard the Japanese krill fishing ... vessel Chiyo Maru No. 2 was presented to the first meeting of WG-EMM. The WG-EMM welcomed the report but ... . This manuscript presents a brief reanalysis of the bycatch data collected onboard the Chiyo Maru No. 2 ... ; means and variances are calculated according to the methods of Aitchison (1955) and Pennington (1983 ...
Meeting Document : WG-FSA-95/40 Rev. 1 : Автор(ы): Watters, G.
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
Abstract: Some biological peculiarities of E. carlsbergi from the Antarctic and notal areas of ... the Southern Ocean Atlantic sector have been studied on the basis of the data for 1987-1989. Mean ... length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ... current waters. Fish specimens from 62 to 97 mm long were registered in catches. About 95% of specimens ...
Meeting Document : WG-FSA-90/21 : Автор(ы): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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Analysis of spatial and temporal structure in long-term krill fishery in the Area 48 and its relation to climate variability
Abstract: The authors analyzed the influence of climate changes on space-time dynamic of ... Antarctic krill fishery in the Area 48 using the CCAMLR fishery data and time series of ААО induces ... (Antarctic Oscillation Index) as the indication of climate variability. Here we used the methods of the ... integrated ecosystem assessment used by ICES and the modern de-nosing data methods. The influence of climate ...
Meeting Document : WG-EMM-12/50 : Автор(ы): P. Gasyukov and S. Kasatkina (Russia)
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The case for including the Ross Sea continental shelf and slope in a Southern Ocean network of marine protected areas
marine ecosystem. This paper summarizes the case for including the Ross Sea within CCAMLR’s network of ... Abstract: Both the Convention for the Conservation of Marine Living Resources (CCAMLR) and the ... Environmental Protocol to the Antarctic Treaty provide for the establishment of marine protected areas (MPAs ... ) for purposes of scientific study and to conserve unique features and components of the Antarctic ...
Meeting Document : CCAMLR-XXIX/BG/26 : Автор(ы): ASOC Observer
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; A total of 186 D. eleginoides and 202 D. mawsoni were tagged and released in 2010, leaving a ...
Meeting Document : WG-FSA-10/40 : Автор(ы): J. Roberts and D. Agnew (UK)
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