Resultados de la búsqueda
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Proposal of extension of research block 48.6_2 to complete planned research and examine the habitat model and the stock structure
model and elucidate stock structure. The distribution of densities (catch per haul in 20-minute grid) of ... Dissostichus mawsoni is shown in Figure 1. The research operation for the block 48.6_2 has been concentrated in ... Status: Content Approved Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : WG-SAM-16/08 : Autor(es): T. Namba, T. Ichii and K. Taki
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Dynamoe and albatross papers 2003–2004
Abstract: This list of publications is for information only; it comprises a set of BAS papers ... . These papers were produced by two BAS core funded science programmes: Dynamics and Management of Ocean ...
Meeting Document : WG-EMM-04/36 : Autor(es): British Antarctic Survey (United Kingdom)
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Estimation of the fishery–krill–predator overlap
the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ... small difference in the values of the Agnew-Phegan and Schroeder indices, but had little influence on ...
Meeting Document : WG-EMM-99/11 : Autor(es): Secretariat
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Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications
fishery and to a lesser extent the Patagonian tooth-fish fishery operating on the Kerguelen shelf ... recent years has probably resulted in the slow recovery of these albatross populations as a result of ...
Meeting Document : WG-FSA-96/09 : Autor(es): Jouventin, P., Brothers, N., Weimerskirch, H.
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Detecting trends in the krill fishery
developments that could later herald an expansion in krill fishing. Information on new products from the krill ... different sources of information. Information on current catches and scientific information on the krill ... of their future plans are also of limited use because they ultimately depend on the underlying ... . Economic information on the krill fishery has been difficult to access in the past but will be necessary to ...
Meeting Document : WG-EMM-02/25 : Autor(es): S. Nicol and J. Foster (Australia)
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Stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at South Georgia
whereas the Shag Rocks’ shelf may be a nursery ground for juveniles. An assessment of the stock has been ... Abstract: Recently a longline fishery has developed for the Patagonian Toothfish, Dissostichus ... made by extrapolating the population parameters from trawl surveys to derive estimates for the whole ...
Meeting Document : WG-FSA-91/20 : Autor(es): I. Everson (United Kingdom)
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A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model
is highly dependent on priors for estimated parameters and information in CPUE and catches ... contribution to estimate abundance in a simple biomass dynamic model for both species of toothfish in northern ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ...
Meeting Document : WG-SAM-13/29 : Autor(es): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Stable isotope analysis reveals trophic variation in adult Antarctic krill (Euphausia superba) around the Antarctic Peninsula from austral fall to early winter
ecosystem and an important link in the food web of the Antarctic ecosystem. The trophic information for this ... known overwintering mechanisms. However, the few studies on the topic differ in their results, in terms ... Approved Document Release Consent: No Delegation responsibility for releasing documents: China ...
Meeting Document : WG-EMM-2019/P03 : Autor(es): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang
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Preliminary assessment of toothfish in Subarea 48.3
continue for the next 35 years then appropriate long-term yields could be as low as 975 tonnes. This ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... recruitment suggests a long-term yield of 3 200 t. If year class strengths have been low since 1994 and ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Autor(es): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey
Abstract: The international CCAMLR Survey 2000 was conducted to support an updated estimate of ... midnight and midday stations. Additional samples were take by opening-closing nets for the identification ... of acoustic targets. Analyses on the combined data sets from the net sampling program indicate that ...
Meeting Document : WG-EMM-00/6 Rev. 1 : Autor(es): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)