Résultats de la recherche
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An idea to incorporate potential recruitments in the krill density model
involved uncertainties of age 1 krill. Present document improves the model by taking the uncertainties in ... accepted values of mortality M (0.8-1.0), the potential proportional recruitment should be larger than the ... in the model, dramatic variation of densities after 1994/95 season could not be clearly explained ...
Meeting Document : WG-EMM-99/51 : Auteur(s): S. Kawaguchi and M. Naganobu (Japan)
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PROPOSED AMENDMENTS TO CONSERVATION MEASURE 51-01 (2008) PRECAUTIONARY CATCH LIMITATIONS ON EUPHAUSIA SUPERBA IN STATISTICAL SUBAREAS 48.1, 48.2, 48.3 AND 48.4
Abstract: Due to current uncertainties in the status of Antarctic krill biomass stock, which do ... not allow scientists to provide a work on forecast of the ecosystem changes and provide the management ... statistical Subareas in statistical area 48 for krill fishery. Author(s): Delegation of Ukraine Title ...
Meeting Document : CCAMLR-XXVIII/48 : Auteur(s): Delegation of Ukraine
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Tendencia de la mortalidad incidental de aves en buques de la flota chilena durante la pesca de Dissostichus eleginoides, (Subárea 48.3)
Abstract: The incidental mortality of birds in the fishery of Dissostichus eleginoides was ... in 1997. The most vulnerable species was Diomedea melanophrys representing 41,% of the total bird ...
Meeting Document : WG-FSA-97/26 : Auteur(s): Gonzalo Benavides, A., Rubilar, P.S., Moreno, C.A.
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Stock size and tac estimation for the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Islands area
and TAC estimation of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen shelf ... area. Method of R. Jones (1964) was used for estimating population size and TAC. Calculations were done ... of D. eleginoides for these seasons was estimated at 43-50 x 103 tonnes. TAC was estimated at 7.3-7.5 ...
Meeting Document : WG-FSA-92/09 : Auteur(s): S.M. Pronenko, P.B. Tankevich, V.V. Gerasimchuk and V.N. Chikov (Ukraine)
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How many krill should we measure?
on its body length distribution. Krill samples collected from layers in the northern waters of ... measurements of 2000 animals per sample, comparisons were made in mean body length and cumulative frequency ... distribution with less number of measurements. Measurements on 50 animals seem enough to obtain reliable ...
Meeting Document : WG-KRILL-90/26 : Auteur(s): Y. Endo (Japan)
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Contribution de la CCAMLR à la sécurité alimentaire
resources. Since its establishment in 1982, CCAMLR Members have achieved this through the conduct of long ... -term research and integrated actions associated with: the acquisition of operational-level fishery data ... fishery-independent observation the collection and analysis of biological and environmental data along ...
Page : Site Section: The Organisation
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... illustrates the utility of the standardised approach and provides a methodological template for systematic ... necessary component of a full ecological risk assessment. File: 10sharp-et-al.pdf ... Paper Title: An impact assessment framework for bottom fishing methods in the CAMLR Convention ... fishery. This paper illustrates the utility of the standardised approach and provides a methodological ... purpose of this paper is to illustrate the utility of the standardised approach and provide a ... Zealand Ministry of Fisheries 101–103 The Terrace Wellington, New Zealand E-mail – ben.sharp ... @vanuatu.com.vu / ben.sharp@fish.govt.nz S.J. Parker National Institute of Water and Atmospheric Research Ltd ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
Abstract: This paper presents the Bayesian sex and age structured population stock assessment of ... 88.2C–H). We examined several models including the 2013 implementation of the 2011 base case (R1), using ... biomass than previously estimated, mainly due to the signal in the last three years of tag data. These are ... the data in which we have the highest degree of confidence for this fishery, due to improvements in ...
Meeting Document : WG-FSA-13/52 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results
Abstract: Minimizing the time gear is available to seabirds by increasing the sink rate of ... practical seabird mitigation device using multiple criteria: catch rates of seabirds and fish, seabird ... behaviour, sink rate of the gear and breaking strength. All mitigation technologies dramatically decreased ... difference did not manifest itself in the context of commercial fishing as increased line separations. We ...
Meeting Document : WG-FSA-06/52 : Auteur(s): K. Dietrich, E. Melvin and L. Conquest (USA)
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Age-structured production model for toothfish at South Georgia
through the introduction of a new annual selectivity function, modelled as a unimodal, algebraically ... decaying function of age, with three easily interpretable parameters. When only a single selectivity curve ... reaches preset parameter boundaries. With one or two parameters of the selectivity estimated only once the ... the CPUE very closely. Convergence problems were noted for the highly parameterised versions of this ...
Meeting Document : WG-FSA-SAM-05/18 : Auteur(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)