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THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ... Scientific Committee during 2008, and the caveats associated with that previous advice also apply here. Given ...
Meeting Document : WG-EMM-09/12 : Автор(ы): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)
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LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA
that primary endogenous growth can occur for an extended period with oocytes accumulating at the ... slope with the age distribution in the northern area and the lack of evidence for skip spawning in the ... spawn in a given year and is therefore appropriate to evaluate spawning stock biomass relative to stock ... cortical alveoli stage at least a year prior to spawning. Individual oocytes are then recruited into the ...
Meeting Document : WG-FSA-09/37 : Автор(ы): S.J. Parker and P.J. Grimes (New Zealand)
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
crab fishery were analyzed with generalized additive models and depletion estimators. Results from the ... uncertainty associated with these estimates. In general, the experimental harvest regime was successfU1. The ...
Meeting Document : WG-FSA-96/34 : Автор(ы): Watters, G.
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
setting of lines prior to whitechinned petrel activity peaks. Experimentation with levels of artificial ... lighting and with differentially weighted longlines to ensure that hooks sink immediately when placed in ... responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ...
Meeting Document : WG-FSA-95/21 : Автор(ы): Barnes, K.
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
fishing effort. Further, we update this paper with a set of simulations using a range of simple and ... carried out under a range of productivity assumptions, impact, and spatial scale, with and without ...
Meeting Document : WG-FSA-10/29 : Автор(ы): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
recruitment series derived from surveys has similarities with the recruitment series estimated by Welsford et ... al. (2006), but with a recognition that some age classes are only partially selected in these surveys ...
Meeting Document : WG-FSA-SAM-06/14 : Автор(ы): A. Constable, S. Candy and I. Ball (Australia)
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
assignment of survey data to the 2003 stratification along with the latest estimates of length at age. The ... estimates were found to be most sensitive to the estimated recruitment series interacting with the estimate ... abundance of cohorts present in any survey year such as could be derived through an age length key, and ...
Meeting Document : WG-FSA-SAM-06/15 : Автор(ы): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Research and monitoring to support an MPA in the Ross Sea Region
research pursuant to the specific objectives of the MPA; (b) other research consistent with the specific ... of what we present here can, where appropriate, be merged with elements developed by others to ... presented in SC-CAMLR-XXX/9 (the U.S. scenario presented last year), we acknowledge that other Members have ...
Meeting Document : WG-EMM-12/46 : Автор(ы): G.M. Watters and C.S. Reiss (USA)
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Chiller killers – first steps towards identifying krill pathogens
remains a deficit area with little to nothing known about infection dynamics. Over the past century the ... importance as components of the global food chain, and krill are no exception to this with very few studies ...
Meeting Document : WG-EMM-15/23 : Автор(ы): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015- Part C: Data analysis and MPA scenario development
accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three separate ... improvements and extensions that were proposed by WG-EMM 15 will be presented to WG-EMM in 2016 with a view for ...
Meeting Document : SC-CAMLR-XXXIV/BG/17 : Автор(ы): Delegation of Germany
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