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Midwater trawl catchability in relation to krill and possible ways of assessing gross catch
Paper Title: Midwater trawl catchability in relation to krill and possible ways of assessing ... the basis of data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A ... methodology was developed for and applied to determining the rate of krill filtration through the trawl rope ... and netting and also the probability that krill will come into contact with various parts of the net ... TO KRILL AND POSSIBLE WAYS OF ASSESSING GROSS CATCH Yu.V. Zimarev*, S.M. Kasatkina* and Yu.P ... . Frolov** Abstract Research into midwater trawl catchability rates was carried out on the basis of ... developed for and applied to determining the rate of krill filtration through the trawl rope and netting ... and also the probability that krill will come into contact with various parts of the net as it passes ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Автор(ы): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
Paper Title: Fishing for toothfish using pots: results of trials undertaken around South Georgia ... , March–May 2000 Abstract / Description: During the period March to May 2000, the UK undertook trials of ... commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... method successfully caught D. eleginoides, there was a large by-catch of crab species. The catch rate of ... TOOTHFISH USING POTS: RESULTS OF TRIALS UNDERTAKEN AROUND SOUTH GEORGIA, MARCH-MAY 2000 D.J. Agnew ... Renewable Resources Assessinent Group Imperial College, Royal School of Mines Prince Consort Road ... period March to May 2000, the UK undertook trials of a pot fishing method to catch Patagonian toothfish ... the trial and the results, and discusses the commercial viability of this fishing method for ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
Paper Title: Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... selectivity of different types and sizes of hooks used in longlines. Original data obtained during 1991 off ... the coast of Valdivia, South East Pacific, are also taken into consideration. The data show that ... OF DISSOSTICHUS ELEGINOIDES (NOTOTHENIIDAE) OFF THE CHILEAN COAST Carlos A. Moreno* Abstract ... Existing information from technical publications on Chilean fisheries of the Patagonian toothfish ... , Dissostichus eZeginoides is reviewed in order to study selectivity of different types and sizes of hooks used ... in longlines. Original data obtained during 1991 off the coast of Valdivia, South East Pacific, are ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Автор(ы): Moreno, C.A.
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
Paper Title: Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal ... / Description: Four studies on the early life history stages of Antarctic fish at South Georgia are reported ... abundant near the coast, but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland ... East Bay the early stages of many species were found throughout the water column. In summer only four ... , and the midwater fishes (mainly Myctophidae). The purpose of this paper is to communicate ... - 105 - WG-FSA-87/16 DISTRIBUTION OF FISH LARVAE AT ... the early life history stages of Antarctic fish at South Georgia are reported. In winter and summer ... , but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East Bay the early ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Автор(ы): North, A.W.
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
in the South Georgia area during the 1985/86 cruise of MT Carina Abstract / Description: A fish ... survey in South Georgia waters was undertaken from November 1985 to January 1986 as a part of the on ... -going fish stock monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two ... mesh sizes (47 and 60 mm) were used with a bottom trawl of 32 m head rope. Catch data were collected in ... /1986 CRUISE OF MT CARINA K. Kreft, J. Szynaka Poland Abstract A fish survey in South Georgia ... waters was undertaken from November 1985 to January 1986 as a part of the on-going fish stock ... monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two mesh sizes (47 and 60 ... mm) were used with a bottom trawl of 32 m headrope. Catch data were collected "in 249 hauls using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Автор(ы): Kreft, K. and J. Szynaka
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
Paper Title: Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... ) models by Candy (2011), (see that paper for a detailed descrip- tion of the models and estimation ... - ity of a stock when considered in combination with annual number of recruits, growth rate in body ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... (D. mawsoni) in the Ross Sea (Subarea 88.1) (Dunn and Hanchet, 2007) apply a fixed value of M of ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Автор(ы): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Exclusive Economic Zones: an assessment of depredation levels Abstract / Description: Interactions between ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... monitored. Interactions were observed in all fishing areas. The effect of depredation was assessed by ... 11 to 19) (Figures 1a and 1b). In this paper, depredation is defi ned as the loss of longline ... EXCLUSIVE ECONOMIC ZONES: AN ASSESSMENT OF DEPREDATION LEVELS C. Roche and C. Guinet CEBC-CNRS, UPR 1934 ... or in co-occurrence with each other, were observed in 71% of the 1 308 longlines set. In the ... in co-occurrence with each other, were observed in 54% of the 6 262 longlines monitored ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Автор(ы): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Paper Title: The sensitivity of multiple output statistics to input parameters in a krill ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... the status of predator groups more than they affected statistics indicating the status of the target ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... provide advice to CCAMLR on the spatial allocation of the Antarctic krill catch limit for the Scotia Sea ... required 2 311 separate inputs for each of four alternative scenarios (Table 1). The word scenario here ... means a mathematical representation of a hypothesis about ecosystem dynamics consisting of a model and ... its inputs (sensu Rademeyer et al., 2007). This reference set of alternative scenarios brackets key ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
Paper Title: The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land ... , Antarctica, and its overlap with the krill fishery Abstract / Description: The foraging ranges of six female ... point. Birds feeding chicks also made journeys of one to two days ranging up to 12 km after 17 January ... when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... WG-CEMP-92/36 THE FORAGING RANGE OF ADELIE PENGUINS AT ... . Kerry, J.R. Clarke and G.D. Else* Abstract The foraging ranges of six female and four male Adelie ... . Birds feeding chicks also made journeys of one to two days ranging up to 12 km after 17 January when ... the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Автор(ы): Kerry, K.R., J.R. Clarke and G.D. Else
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
Paper Title: An assessment of CCAMLR measures employed to mitigate seabird mortality in ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a Chilean ... specifications was also used, except during an experiment that attempted to assess the effectiveness of the ... CCAMLR Science, Vol. 5 (1998): 217-230 AN ASSESSMENT OF ... seabirds and the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an ... agreement between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a ... assess the effectiveness of the streamer line in mitigating incidental mortality of seabirds during ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Автор(ы): Ashford, J.R. and J.P. Croxall
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