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Analysis of haul data from the South Georgia krill fishery
Paper Title: Analysis of haul data from the South Georgia krill fishery Abstract / Description ... : Data from individual hauls carried out by vessels operating in the South Georgia krill fishery between ... variability are discussed in relation to previous attempts to model fisheries data and to derive suitable ... DATA FROM THE SOUTH GEORGIA KRILL FISHERY P.N. Trathan, I. Everson and E.J. Murphy British Antarctic ... Suite 303,5445 Mariner Street Tampa, F1.33609-3437, USA Abstract Data from individual hauls carried ... discussed in relation to previous attempts to model fisheries data and to derive suitable abundance indices ... t o stock i n CCAMLR Area 48 were derived from Haul Data from the South Georgia Krill Fishery ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Автор(ы): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
Paper Title: Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... krill consumption (Euphausia superba) are based on data obtained from the Atlantic sector which have ... the Sodruzhestva and Kosmonavtov Seas over many years by the YugNIRO institute. Data obtained from ... SC-CAMLR-X/BG/11 DATA ON KRILL (EUPHAUSIA SUPERBA DANA ... (Euphausia superba) are based on data obtained from the Atlantic sector which have then been extrapolated ... Sodruzhestva and Kosmonavtov Seas over many years by the YugNIRO institute. Data obtained from trawl and ... this amount fish consumed 30 to 32 million tonnes. For the most part these figures are based on data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Автор(ы): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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Note on estimating krill abundance from acoustic data on individual aggregations
Paper Title: Note on estimating krill abundance from acoustic data on individual aggregations ... , requires less data analysis and does not require any assumptions concerning aggregation distribution or ... ACOUSTIC DATA ON INDIVIDUAL AGGREGATIONS I. Hampton and D.G.M. Miller* Abstract The fundamental ... abundance and its variance since it is easier to apply, requires less data analysis and does not require ... account when the data are used in this way. The chief differences and other considerations are outlined ... estimated from Equation 1 as before. If the aggregation data is available in terms of density rather than ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Автор(ы): Hampton, I. and D.G.M. Miller
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Status of the Polish FIBEX acoustic data from the West Atlantic
Paper Title: Status of the Polish FIBEX acoustic data from the West Atlantic Abstract ... / Description: Acoustic data from the Polish FIBEX survey in the West Atlantic were analysed using recent ... STATUS OF THE POLISH FIBEX ACOUSTIC DATA FROM THE WEST ATLANTIC P.N. Trathan British Antarctic Survey ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract Acoustic data from the Polish FIBEX survey in ... acoustic data should be re-analysed using recent acoustic target strength (TS) estimates (SC-CAMLR, 1991 ... dataset used by Trathan et al. (1992) was that archived at the BIOMASS Data Centre. This dataset was ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Автор(ы): Trathan, P.N., J. Kalinowski and I. Everson
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Integration of CPUE data into assessments using the Generalised Yield Model
Paper Title: Integration of CPUE data into assessments using the Generalised Yield Model Abstract ... assessments. The use of the method is illustrated using data for Patagonian toothfish (Dissostichus ... CPUE DATA INTO ASSESSMENTS USING THE GENERALISED YIELD MODEL G.P. Kirkwood Renewable Resources ... GYM assessments. The use o f the method is illustrated using data for Patagonian toothfish ... and seasonal patterns in fishing mortality derived from existing data. In the assessment of ... to the rnodel as input data. Consequently, each trial will have a different initial population size ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable
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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
Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... of M have been studied using simulation. In application to the data obtained for the HIMI main trawl ... catch-curve data from the Ross Sea fishery using the Chapman- Robson estimator (Dunn et al., 2006). A ... recent update of the HIMI integrated assess- ment using comprehensive ageing data for the catch, CCAMLR ... hEard and mcdonald Islands usIng catch-at-agE and agEd mark-rEcaPturE data from thE maIn trawl ground ... time series of catch-at-age and mark-recapture data from the main trawl ground at HIMI were used to ...
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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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
Paper Title: Krill biomass in Area 48 and Area 58: recalculations of FIBEX data Abstract ... / Description: FIBEX acoustic and length frequency data held in the BIOMASS database were used to provide ... : RECALCULATIONS OF FIBEX DATA P.N. Trathan1, D.J. Agnew2, D.G.M. Miller3, J.L. Watkinsl, I. Everson1, M.R ... . Thorleyl, E. Murphyl, A.W.A. Murrayl and C. Gossl Abstract FIBEX acoustic and length frequency data ... the estimation of kriU abundance from acoustic survey data is acoustic target strength (TS) (cf ... analysing acoustic survey data. In order to refine the krill biomass and subsequent yield estimates used ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Автор(ы): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
Paper Title: Modelling catch and effort data using generalised linear models, the Tweedie ... standard method for modelling catch and effort data for Patagonian toothfish (Dissostichus eleginoides) for ... described. The methods are demonstrated using catch and effort data from two commercial D. eleginoides ... (2004): 59–80 59 MODELLING CATCH AND EFFORT DATA USING GENERALISED LINEAR MODELS, THE TWEEDIE ... current standard method for modelling catch and effort data for Patagonian toothfi sh (Dissostichus ... described. The methods are demonstrated using catch and effort data from two commercial D. eleginoides fi ... data Introduction Since 1995, standardisation of commercial catch- per-unit-effort (CPUE) data for ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Автор(ы): Candy, S.G
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Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
Paper Title: Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... operations in the Atlantic sector of the Antarctic Abstract / Description: Catch per unit effort (CPUE) data ... EFFORT (CPUE) DATA FROM THE EARLY YEARS OF COMMERCIAL KRILL FISHING OPERATIONS IN THE ATLANTIC SECTOR ... Catch per unit effort (CPUE) data are presented from krill fishing operations in CCAMLR Subareas 48.1 ... changes i n stock biomass. Some models were developed which use CPUE data to manage the harvesting of ... (Siegel, 1988; Siegel et al., 1997). We reduce this effect in the CPUE data by using the mean catch per ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Автор(ы): Siegel, V., V. Sushin and U. Damm
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Using ecosystem monitoring data to detect impacts
Paper Title: Using ecosystem monitoring data to detect impacts Abstract / Description: The ... using monitoring data with no control sites. These methods assess either (i) the expected probability of ... ECOSYSTEM MONITORING DATA TO DETECT IMPACTS S.L. Hill, J. Forcada, P.N. Trathan and C.M. Waluda British ... paper discusses a range of methods for inferring such impacts using monitoring data with no control ... perform- ance data to meet conservation objectives remains a significant challenge. CCAMLR oversees the ... been suggested that data such as that col- lected by CEMP and associated long-term monitor- ing studies ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Автор(ы): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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