Résultats de la recherche
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
Paper Title: A simulation study of the method of deriving natural mortality rate using data for ... Champsocephalus gunnari in Subarea 48.3 Abstract / Description: A method of determining the rate of natural ... mortality, based on the construction of a regression between the rate of annual fishing mortality ... (determined by VPA) and fishing effort is described. The intersect of this regression must be equal to zero if ... WG-FSA-91/2S A SIMULATION STUDY OF THE METHOD OF ... and R.S. Dorovskikh* * Abstract A method of determining the rate of natural mortality, based on ... the construction of a regression between the rate of annual fishing mortality (determined by VPA ... ) and fishing effort, is described. The intersect of this regression must be equal to zero if the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Paper Title: Analysis of variability of krill size and fish by-catch in the Japanese krill ... size of scientific observer data collected on Antarctic krill commercial fishing vessels, the ... Bayesian model. The models were composed of multistage cluster units (i.e. year, subarea, vessel, cruise ... variability in the size structure of the krill population, which is presumably derived from large variability ... In the Antarctic, there is much concern about the impact of climate change on biodiversity, species ... dynamics and spatial distribution of Antarctic krill (Euphausia superba), stock abundance estimates from ... CCAMLR Scientific Committee noted the importance of investigating the potential impact of climate ... change on krill recruitment variability, and agreed that a full review of the influence of recruit- ment ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ... EVALUATION OF THE EFFECTIVENESS OF WEIGHTING REGIMES IN REDUCING SEABIRD BY-CATCH IN THE LONGLINE ... , School of Mines Prince Consort Road London SW7 2BP, United Kingdom A.D. Black Marine Resources ... Abstract A series of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to ... examine the effects of different weighting regimes on the incidental mortality of birds caught on ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
Paper Title: Genetic variations and population structure of krill from the Prydz Bay region of ... Antarctic waters Abstract / Description: Samples of Antarctic krill E. superba from six locations near ... Prydz Bay were analysed electrophoretically to detect genetically-based protein variation. Analyses of ... allele distributions at four polymorphic loci indicate no evidence of significant heterogeneity, a result ... POPULATION STRUCTURE OF KRILL FROM THE PRYDZ BAY REGION OF ANTARCTIC WATERS C.M. MacDonald, R. Williams ... and M. Adams (Australia) Abstract Samples of Antarctic krill E. superba from six locations near ... Prydz Bay were analysed electrophoretically to detect genetically-based protein variation. Analyses of ... allele distributions at four polymorphic loci indicate no evidence of significant heterogeneity, a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Auteur(s): MacDonald, C.M., R. Williams and M. Adams
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Validation of sink rates of longlines measured using two different methods
Paper Title: Validation of sink rates of longlines measured using two different methods Abstract ... / Description: Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... of the ground line – IW-50 lines) were measured during commercial fishing operations using two ... methods: electronic time depth recorders (TDRs) and pieces of string of known length wrapped around empty ... . 11 (2004): 179–187 179 VALIDATION OF SINK RATES OF LONGLINES MEASURED USING TWO DIFFERENT METHODS ... , Australia Email – barbara.wienecke@aad.gov.au Abstract Sink rates of integrated weight longlines (lines ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... commercial fi shing operations using two methods: electronic time depth recorders (TDRs) and pieces of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
Paper Title: Moulting interval and growth of juvenile Antarctic krill fed different ... concentrations of the diatom Phaenodactylum tricornutum in the laboratory Abstract / Description: Juvenile ... –5.0 mgC 1 –1. Intermoult period (IP) decreased, but an increment of body length per moult (∆BL) of ... juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN ... period (IP) decreased, but an increment of body length per moult (6BL) of juvenile krill increased, up ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ... , maximum daily growth rate (6BL/IP) of juvenile krill was calculated to be 0.047 mm day-l, which is too ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
Paper Title: Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula ... : towards an improved understanding of off-peak census correction factors Abstract / Description: Penguin ... being conducted at the peak of egg laying. Additionally, the historical literature includes many census ... timed relative to the peak of egg laying, and (ii) how nest numbers change through the breeding cycle ... of cluTch iniTiaTion in Pygoscelis penguins on The anTarcTic peninsula: Towards an improved ... undersTanding of off-peak census correcTion facTors H.J. Lynch1,2, W.F. Fagan1, R. Naveen2, S.G ... . Trivelpiece3 and W.Z. Trivelpiece3 1 Department of Biology, University of Maryland College Park, MD 20742 ... conducted at the peak of egg laying. Additionally, the historical literature includes many census counts ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Auteur(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
Paper Title: Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... of the Southern Ocean Abstract / Description: Molecular markers were used to investigate the stock ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... Ocean. Four collections of D. eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and ... (2004): 21–32 21 POPULATION GENETIC STRUCTURE OF PATAGONIAN TOOTHFISH IN THE WEST INDIAN OCEAN ... SECTOR OF THE SOUTHERN OCEAN S.A. Appleyard CSIRO Marine Research GPO Box 1538, Hobart 7001 Tasmania ... , Australia Abstract Molecular markers were used to investigate the stock structure of Patagonian toothfi sh ... (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern Ocean. Four collections of D ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward
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Homogeneity of body length composition of Antarctic krill within the commercial zone
Paper Title: Homogeneity of body length composition of Antarctic krill within the commercial zone ... Abstract / Description: The homogeneity of krill (Euphausia superba) length composition in commercial ... trawl catches (hauls) was investigated by comparing length compositions from different parts of the same ... haul. There was no significant difference (P >0.5) in 53 out of 60 hauls. Therefore it is concluded ... WG-KRILL-90/ll REV.l HOMOGENEITY OF BODY LENGTH ... COMPOSITION OF ANTARCTIC KRILL WITHIN THE COMMERCIAL ZONE T.Ichii* Abstract The homogeneity of krill ... length compositions from different parts of the same haul. There was no significant difference (P>O.OS ... ) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Auteur(s): Ichii, T.
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Paper Title: A generalised model for evaluating yield and the long-term status of fish stocks ... under conditions of uncertainty Abstract / Description: This paper presents a general fish stock ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre-exploitation ... MODEL FOR EVALUATING YIELD AND THE LONG-TERM STATUS OF FISH STOCKS UNDER CONDITIONS OF UNCERTAINTY ... A.J. Constable School of Aquatic Science and Natural Resources Management Deakin University P.O ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare