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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets ... used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 ...
Meeting Document : WG-SAM-17/23 : Автор(ы): S. Kasatkina
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets ... used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 hooks ...
Meeting Document : WG-FSA-17/56 : Автор(ы): S. Kasatkina
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ANNUAL CHANGES IN SPECIES COMPOSITION AND ABUNDANCE OF BY-CATCH FISH COLLECTED BY JAPANESE KRILL SCIENTIFIC OBSERVERS IN THE NORTH OF SOUTH GEORGIA (CCAMLR SUBAREA 48.3), DURING AUSTRAL WINTER FROM 2002 TO 2008
Abstract: Species composition and abundance of by-catch fish were analyzed using the fish by ... north of South Georgia during the austral winter from 2002 to 2008. A total of 19 species belonging to 8 ... most abundant. Different life stages of K. anderssoni, Gymnoscopelus nicholsi, C. gunnari and L ... around South Georgia. The length frequency distribution of C. gunnari varied with years and may indicate ...
Meeting Document : WG-EMM-11/40 : Автор(ы): T. Iwami, K. Taki and M. Kiyota (Japan)
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DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY
Abstract: The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ... standardization process consisting of isolating all those exogenous factors from temporal variations in abundance ... vessel efficiency, variations in fishing strategies, and environmental fluctuations. The selection of the ... latter has been considered to be one of the most difficult, arbitrary, and poorly documented stages since ...
Meeting Document : WG-EMM-11/P3 : Автор(ы): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras
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Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2
slightly lower than the permissible level of 0.5 mg/kg-1 set by the New Zealand Food Safety Authority ... (NZFSA). In contrast, mean levels of mercury for D. mawsoni were 0.10 mg/kg-1 in the 1998 samples and ... 0.16 mg/kg-1 in the 2006 samples, both of which are well below the permissible level. Mercury levels ... whitsoni) being only slightly lower than D. eleginoides, whilst the levels of ice fish (Chionobathyscus ...
Meeting Document : WG-FSA-07/24 : Автор(ы): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)
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History of development and completion of tasks put forward by WG-EMM (2001–2003)
Abstract: A history of development and completion of tasks put forward by WG-EMM is summarised ... for the period from 2001 to 2003 (SC-CAMLR-XXI, Annex 4, paragraph 6.41). This is a new series of ... records since the adoption by WG-EMM in 2001 of a new five-year plan of work. A history of tasks for the ... period from 1995 to 2001 is archived in WG-EMM-02/12. Author(s): Secretariat Title: History of ...
Meeting Document : WG-EMM-04/13 : Автор(ы): Secretariat
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Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)
fisheries by F/V Niitaka Maru were made from 3 January to 4 February 1999 in the vicinity of the South ... Shetland Islands. Among 74 net hauls quantitatively examined, only a total of 5 specimens of juvenile ... hauls and those estimated value was 20 to 3560 ind./t of krill. By-catch fishes fed on Thysanoessa ... macrura and Euphausia superba was not found in their stomachs. Abundance of salps in krill catches could ...
Meeting Document : WG-EMM-00/54 : Автор(ы): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
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The importance of Antarctic Toothfish as prey of Weddell Seals in the Ross Sea: a Review
Abstract: Uncertainty exists over the importance of Antarctic toothfish (Dissostichus mawsoni) as ... prey of top predators in the Ross Sea. We herein assess relative weight given to direct, observational ... evidence of prey taken, as opposed to indirect evidence from scat and biochemical analysis, and conclude ... of large toothfish and therefore they are not detected in scat or stomach samples; biochemical ...
Meeting Document : WG-EMM-09/P02 : Автор(ы): D.G. Ainley and D.B. Siniff
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A history of the exploitation of the Ross Sea, Antarctica
Abstract: Recent analyses of anthropogenic impacts to marine systems have shown the Ross Sea to ... be the least affected stretch of ocean on Earth, although historical effects were not included in the ... study. Herein the literature is reviewed to quantify the extent of extraction of biological resources ... from the Ross Sea continental shelf and slope beginning at the start of the 20th century; none preceded ...
Meeting Document : WG-EMM-09/P03 : Автор(ы): D.G. Ainley
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UPDATED PRELIMINARY RESULTS OF AN ECOLOGICAL RISK ASSESSMENT FOR SEABIRDS AND MARINE MAMMALS WITH RISK OF FISHERIES INTERACTIONS
Abstract: We examined a methodology for assessing potential risk of interactions between ... fisheries and species of special interest (seabirds and marine mammals) by applying a Productivity ... -Susceptibility Analysis to a data set of species distribution, biological information and fishing effort. This ... type of Level Two Ecological Risk Assessment (ERA) has been used across fishery management regimes to ...
Meeting Document : WG-FSA-08/51 : Автор(ы): S. Waugh, D. Filippi, N. Walker (New Zealand) and D.S. Kirby
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