Search results
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
fish, observer data sets on Japanese krill fishery from 1995 to 2008 were analyzed by using a ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ... of krill length and bycatch fish number by sampling stages were calculated by the multistage sampling ...
Meeting Document : WG-EMM-11/39 : Author(s): T. Okuda and M. Kiyota (Japan)
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PROGRESS REPORT (2008-2009) ON THE ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL DIVISION 58.5.1 AND SUBAREA 58.6
seabird by-catches by longliners operating in the Crozet and Kerguelen EEZs. The plan’s objective was to ... bird mortality. The aim of this paper is to provide a progress report on the resources employed by ... France since the initiation of the plan to limit bird mortality, and to present a brief report on by ... Title: PROGRESS REPORT (2008-2009) ON THE ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH ...
Meeting Document : SC-CAMLR-XXVIII/11 : Author(s): Delegation of France
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Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR Convention Area
Abstract: Some methods used by observers to record by-catch data in the longline toothfish ... fishery are discussed. Proposals on implementation of a uniform process reporting accurate by-catch data ... : Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR ...
Meeting Document : WG-SAM-16/24 : Author(s): Delegation of the Russian Federation
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
gunnari. This paper presents available by-catch information for the three fisheries including estimates of ... total removals by fishing season and ground, and length composition of rajids and macrourids ... . Preliminary results from a rajid tagging program are also presented. Total removals of by-catch in the trawl ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch was ...
Meeting Document : WG-FSA-03/73 : Author(s): E.M. van Wijk and R. Williams (Australia)
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
fish as a proportion of the total number of fish caught), using haul by haul data from the Ross Sea ... toothfish fishery from 2008 – 2014, was used as a single metric to examine the amount of bycatch reported by ... ) in the index from two groups of Members flagged vessels, that together contribute 84% of the haul by ... haul data. These differences do not appear to be explained by differences in gear or location and are ...
Meeting Document : WG-FSA-15/04 Rev. 1 : Author(s): CCAMLR Secretariat
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Spatial distribution of foraging by female Antarctic fur seals
by female Antarctic fur seals breeding at the island of South Georgia was influenced by physical ... gradients in the oceans and also by the need to avoid local competition for food. It also tested the ... support of dependent offspring, fur seals travelled down physical gradients defined by the bathymetric ... by lactating female fur seals predicted spatial distributions that were consistent with past ...
Meeting Document : WG-EMM-01/26 : Author(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data
sample size by using variance component analysis. Observer datasets on Japanese krill fishery from 1995 ... –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... length and bycatch fish number, the parameters estimated by MCMC hardly show difference among years, sub ... datasets were calculated by the multistage sampling formula with the variance terms derived from the ...
Meeting Document : WG-EMM-12/68 : Author(s): T. Okuda and M. Kiyota (Japan)
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A Marine Protected Area scenario by New Zealand for the Ross Sea region
the planning method by which the scenario was developed, and provides supplemental information ... requested by the CCAMLR MPA Workshop, for consideration by the Scientific Committee. Author(s): Delegation ... of New Zealand Title: A Marine Protected Area scenario by New Zealand for the Ross Sea region ...
Meeting Document : SC-CAMLR-XXX/10 : Author(s): Delegation of New Zealand
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A review on the Antarctic ecosystem models published by Japanese scientists and some comments
by Japanese scientists were reviewed. The concept and treatment of Lotka-Volterra type model by ... model such as developed by Doi(1879) is able to deal with many component in the Antarctic ecosystem ... Title: A review on the Antarctic ecosystem models published by Japanese scientists and some comments ...
Meeting Document : SC-CAMLR-III/INF. 06 : Author(s): Japanese Delegation
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An investigation of avoidance by Antarctic krill of RRS James Clark Ross using the Autosub-2 autonomous underwater vehicle
of the research vessel by Antarctic krill Euphausia superba. The AUV was equipped with the same type ... between the amount of krill detected by the ship or the AUV, either at the transect level or at finer ... scales within transects. We conclude, therefore, that avoidance by krill of RRS James Clark Ross will not ... significantly bias krill abundance estimates by this vessel. Author(s): A.S. Brierley, P.G. Fernandes, M.A ...
Meeting Document : WG-EMM-01/14 : Author(s): A.S. Brierley, P.G. Fernandes, M.A. Brandon, E. Armstrong, D.G. Bone and the Autosub Team (United Kingdom)