Résultats de la recherche
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Status of measures implemented by fishing companies involved in the longline fishery for toothfish in the French Southern and Antarctic Territories (TAAF) to control the incidental mortality of seabirds
Status of measures implemented by fishing companies involved in the longline fishery for toothfish ...
Meeting Document : CCAMLR-XXII/57 : Auteur(s): Delegation of France
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Proposal for a general conservation measure to implement an Representative System of Antarctic Marine Protected Areas (RSAMPA) in CCAMLR by 2012, including management arrangements needed in conservation measures that will govern the RSAMPA in the future
Marine Protected Areas (RSAMPA) in CCAMLR by 2012, including management arrangements needed in ...
Meeting Document : CCAMLR-XXIX/38 Rev. 1 : Auteur(s): Delegation of Australia
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f-cc-xxi-a5.pdf
application/pdf attached to:SCOI-02Meeting Report : SCOI-02
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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
Paper Title: Assessments of by-catch in trawl fisheries at Heard and McDonald Islands Abstract ... as by-catch: Channichthys rhinoceratus, Lepidonotothen squamifrons and Bathyraja spp. (deep-water ... model (GYM) used by the CCAMLR Working Group on Fish Stock Assessment (WG-FSA). Input data included ... commercial operations and the effectiveness of by-catch provisions (the 5% rule) set by CCAMLR in 1996 to ... ASSESSMENTS OF BY-CATCH IN TRAWL FISHERIES AT HEARD AND MCDONALD ISLANDS A.J. Constable, R. Williams and ... as by-catch: Channichthys rhinoceratus, Lepidonotothen squamifions and Bathyraja spp. (deep-water ... model (GYM) used by the CCAMLR Working Group on Fish Stock Assessment (WG-FSA). Input data included ... during commercial operations and the effectiveness of by-catch provisions (the 5% rule) set by CCAMLR in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Auteur(s): Constable, A.J., R. Williams and W.K. de la Mare
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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
distribution, random vessel effects and random stratum-by-year effects Abstract / Description: The current ... CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable in a ... addition, random vessel effects are introduced into the GLM, as specified by a generalised linear mixed ... realistic estimates of their precision. Extra efficiency is gained by recovery of inter-vessel information ... DISTRIBUTION, RANDOM VESSEL EFFECTS AND RANDOM STRATUM-BY-YEAR EFFECTS S.G. Candy Australian Antarctic ... eleginoides) for CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable ... values. In addition, random vessel effects are introduced into the GLM, as specifi ed by a generalised ... series and more realistic estimates of their precision. Extra effi ciency is gained by recovery of inter ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G
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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 ... relationship between statistical precision and sample size was estimated by using variance component analysis ... from fishery process as observation error. In both krill length and by-catch fish number, the ... parameters estimated by the Markov chain Monte Carlo (MCMC) method hardly show difference among years ... statistical precision than the data collected by research vessels. This is primarily because the data ... VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN THE JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA ... estimated by using variance component analysis. Observer datasets from the Japanese krill fishery from 1995 ... length and by-catch fish number, the parameters estimated by the Markov chain Monte Carlo (MCMC) method ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ... per day. In May to June, N. larseni juveniles were represented by fingerlings (mean length of 42.4 to ... CCAMLR Science. Vol. 1: 129-142 BY-CATCH, GROWTH AND ... caught during krill fishing by the FV Grigoy Kovtun in the area around South Georgia from May to July ... 1992. Two species were predominant in the by-catches: Charnpsocephalus gunnari and Nototheniops ... juveniles were represented by fingerlings (mean length of 42.4 to 47.4 mm) and yearlings (72.5 to 73.7 mm ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Auteur(s): Pakhomov, E.A. and S.A. Pankratov
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
Paper Title: Estimating the impact of depredation by killer whales and sperm whales on longline ... caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocephalus) around South Georgia ... toothfish, usually depressing CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 ... and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm ... Estimating thE impact of dEprEdation by killEr whalEs and spErm whalEs on longlinE fishing for toothfish ... longliners between 2003 and 2009 were analysed to look at the levels of depredation caused by killer whales ... CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 and 4 animals, and have ... a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm whales have been more ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Auteur(s): Moir Clark, J. and D.J. Agnew
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... is received by the Secretariat. The probability of large over-shoots of the TAC is reduced if ... TO CLOSE FISHERIES REGULATED BY CCAMLR: A SIMULATION MODEL DJ. Agnew* Abstract The methods ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored by ... shown by the fisheries. Non-fluctuating random and fluctuating random catch histories are simulated and ... fishery if these rates indicate that the T AC will be taken before the next report is received by the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
Paper Title: Size and density of krill layers fished by a Japanese trawler in the waters north of ... the northern waters of Livingston Island were determined during the co-operative survey carried out by ... were 3.25 km, 13.3 m and 228.0 g wet weight/m 2, respectively. The krill layers fished by the trawler ... BY A JAPANESE TRAWLER IN THE WATERS NORTH OF L1VINGSTON ISLAND IN JANUARY 1988 Y. Endo and Y ... Island were determined during the co-operative survey carried out by RV Kaiyo Maru and a Japanese ... wet weightlm2, respectively. The krill layers fished by the trawler during the co-operative survey ... on size, shape and density of Antarctic krill aggregations has been obtained by research vessels ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu