Resultados de la búsqueda
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
Mackerel icefish (C. yzinnavi) has been, and continues to be, one of the most important com- mercial ... trawl was towed at 3-3.5 knots for 30 minutes. Catch- ability was assumed to be 100%. Approximately ... be attributed to a strong year class which remained abundant over the years (Frolkina, 1993). At ... and 1988. This may be an artefact of sampling, however, because in 1974 only survey data, and not ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
continental slope as deep pelagic fauna can be upwelled with the Modified Circumpolar Deep Water. These ... coastal. The workshop held in Brest at the end of May 2011 agreed that the Mertz area will be more likely ...
Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
is needed before such models can be used as the basis for the simulation studies required- some ... is needed before such models can be used as the basis for the simulation studies required - some ... effort available), the area should be pre-stratified on the basis of a priori expectations of density ... , the directions of the transects should be chosen to lie parallel to any a priori expectation of ... density trend. Substitution of a fully random survey design by a systematic one would be a satisfactory ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Autor(es): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
(sections) serve as survey parameters. The relationships described here can be used in practice for both a ... parameters. The relationships described here can be used in practice for both a posteriori estimation of ... might depend and how this dependence can be expressed mathematically with account for the probability ... nature of the estimate in question. If such a dependence has been revealed, it would be possible to ... (which can be assumed as known) introduced by the method of obtaining init1alinfo:rmation, one should ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Autor(es): Kizner, Z.I.
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Further progress on modelling the krill–predator dynamics of the Antarctic ecosystem
models, and it is suggested that this should be a key focus of the proposed joint IWC-CCAMLR workshop on ...
Meeting Document : WG-EMM-06/19 : Autor(es): M. Mori (Japan) and D.S. Butterworth (South Africa)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season
entanglements where the animal could be sexed, males made up the majority of both seasons. After the high ...
Meeting Document : SC-CAMLR-XXIV/BG/16 : Autor(es): Delegation of the United Kingdom
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
this problem it may be proposed to apply the modern version of the method by MacDonald and Pitcher. The ...
Meeting Document : WG-FSA-05/78 : Autor(es): P. Gasyukov (Russia)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season
summer observations). Of the entanglements where the animal could be sexed, males made up the majority in ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Autor(es): Delegation of the United Kingdom
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A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting
be suitable for developing an ecosystem approach to management. To facilitate the development of ...
Meeting Document : WG-EMM-04/67 : Autor(es): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)
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Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point
. Meal size for chicks was found to be higher during the crèche than the guard period and males were ...
Meeting Document : WG-EMM-04/38 : Autor(es): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)