Resultados de la búsqueda
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Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
, halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... yet to be adequately explored. Author(s): K. Dawson Guynn and M.S. Peterson (USA) Title: Mercury ...
Meeting Document : WG-FSA-06/24 : Autor(es): K. Dawson Guynn and M.S. Peterson (USA)
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Contrasting population changes in sympatric penguin species in association with climate warming
and linear. Chinstrap penguins, considered to be better adapted to ice-free conditions, were affected ... persistent sea ice reductions were likely to increase their available niche, which is likely to be ...
Meeting Document : WG-EMM-06/P3 : Autor(es): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
were significantly different between 88.1H and 88.2F. These area differences do not appear to be ... difference in prevalence and intensity of E. antarctica needs to be tested with large scale sampling in ...
Meeting Document : WG-FSA-06/28 : Autor(es): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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The effects of global climate variability in pup production of Antarctic fur seals
breeding cycle. Reductions in Antarctic fur seal pup production could thus be predicted in advance by the ... detection of large-scale anomalies, which appeared to be driven by trends in global climate perturbation ...
Meeting Document : WG-EMM-06/P2 : Autor(es): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)
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A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05
either dataset. There are a number of inconsistencies within the observer data which need to be resolved ... before these data can usefully be used for estimating bycatch. These include a consistent definition of a ...
Meeting Document : WG-FSA-05/24 : Autor(es): S.L. Ballara and R.L. O’Driscoll (New Zealand)
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
, in contrast to the Pacific which is much more stable; iv) baleen whales have to be able to achieve ... tons for the krill surplus may be appreciably too high as a result of his calculations omitting ...
Meeting Document : WG-EMM-05/34 : Autor(es): M. Mori and D.S. Butterworth (South Africa)
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A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.
required, and even within a fishery there is likely to be individual vessel refinement of mitigation ... are likely to be the most effective regime at this point to mitigate seabird interactions with the ...
Meeting Document : WG-FSA-05/P8 : Autor(es): Bull, L.
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
been in the same proportion as the catch by area. However, recapture rates have tended to be higher in ... without significant damage to fish, and there appears to be a trade-off between maximising size of ...
Meeting Document : WG-FSA-SAM-05/10 : Autor(es): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
year. Unless these long-term declines can be halted or reversed, there must be some doubt over the long ...
Meeting Document : WG-FSA-04/71 : Autor(es): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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An interlaboratory comparison of ages estimated for Dissostichus eleginoides from the Argentine Sea, southwest Atlantic Ocean
otolith margin where the zones can be very narrow. Consequently, INIDEP has adopted the NIWA method to ... otoliths could not be classified as easy to read, the clarity of their zones is quite similar in the South ...
Meeting Document : WG-FSA-04/45 : Autor(es): M.C. Cassia (Argentina), P.L. Horn (New Zealand) and J.R. Ashford (USA)