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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Abstract: Discussed in this paper is an investigation on juvenile antarctic fish caught during ... krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... -June 1992. Two species were predominant in the by-catches: Champsocephalus gunnari and Nototheniops ... % when only tows made in shelf waters were considered. Juvenile fish abundance, normalised to 1 t of ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Автор(ы): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Size variations associated with abundance changes in juvenile Notothenia rossii, observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Shetland Islands, are used to study the decline in abundance previously reported fro fjord Notothenia ... rossii, in association with changes in the size and age structure of the juvenile population. Mean ... lengths increased in correlation with poor recruitment to inshore waters and sharply decreased as stronger ... year classes entered the cove. In comparison, Notothenia neglecta, a non commercially fished species ...
Meeting Document : WG-FSA-93/13 : Автор(ы): E.R. Marschoff and E.R. Barrera-Oro (Argentina)
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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ... will be carried out within three years. Implementation of the tagging program in the long-term ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... year 2016 we propose to remain the majority of surveys in the Northern Block as were conducted in year ...
Meeting Document : WG-FSA-15/45 : Автор(ы): Delegation of Ukraine
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An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
collected between 67 and 74° S, an investigation to test for latitudinal differences in growth rates was ... conducted. Length-at-age of Dissostichus mawsoni was compared across five zones in a 15.5° latitudinal range ... (62.5°–78.0° S). Between-zone comparisons were confounded by marked differences in the age structure of ... in the length-at-age data. There is no statistically significant difference in mean growth rates of D ...
Meeting Document : WG-FSA-03/30 : Автор(ы): P.L. Horn (New Zealand)
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CPUEs and body length of Antarctic krill within commercial hauls of polish trawler FV Lepus in the fishing ground off South Orkneys in January and February 1991
Abstract: Length composition of krill in diurnal and night hauls of FV Lepus, off S. Orkneys in ... in night hauls was slightly higher than within diurnal hauls. CPUE values in February were higher ... than those in January. No larval fish were recorded in krill catches. Only few specimens of Electrona ... antarctica (of length range 53- 103 mm) were found in some night hauls. Author(s): I. Wójcik and R ...
Meeting Document : WG-KRILL-91/37 : Автор(ы): I. Wójcik and R. Zaporowski (Poland)
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Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model
Abstract: We present a method to evaluate potential biases and uncertainty in the tagging ... assumptions of the stock assessment for Antarctic toothfish in the Ross Sea region using spatially explicit ... operating models. The method allows investigation of potential biases and uncertainty in the assumptions of ... spatial distribution and fish mixing used in the standard stock assessments for the Ross Sea region (and ...
Meeting Document : WG-FSA-12/45 : Автор(ы): S. Mormede and A. Dunn (New Zealand)
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...
Meeting Document : WG-FSA-13/45 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Winter distribution and condition of Antarctic krill in relation to sea-ice and water column production in the South Shetland Islands during Austral Winter 2013
. Abundance and demographic patterns revealed that Antarctic krill were concentrated in the southern ... Bransfield Strait, and that these krill were approximately 33mm in length, about 10mm larger than found ... during the 2012 winter survey (Reiss and Jones 2013; WG-EMM 13/40) but similar in size to krill found in ... the German survey during summer in 2013 (Siegel 2013; WG-EMM 13/24). Large krill (>50mm), although ...
Meeting Document : WG-EMM-14/13 : Автор(ы): C.S. Reiss, J. Walsh, K. Dietrich and J.A. Santora (USA)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.4
fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... , Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... 24-01. France notifies its wish to collaborate in this research fishery over the coming years in ... order to participate in the tagging program and achieve a robust stock assessment. The aim is to provide ...
Meeting Document : WG-FSA-14/04 : Автор(ы): Delegation of France
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.3a in 2014/15
Abstract: In this document, we revised stock status assessments of D. eleginoides in research ... area size for the CPUE method. Detailed results using CASAL models in the research block are described ... in a separated document. The estimated stock size in the block was 2 393, 394 and 647 tonnes in CPUE ... analogy method, Petersen method and R.0.1 model (vulnerable biomass in 2013), respectively. Predicted ...
Meeting Document : WG-FSA-14/20 : Автор(ы): Delegation of Japan
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