Resultados de la búsqueda
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Report about court’s process in Chile for infraction CCAMLR measures at July 2000
Delegation of Chile ... Report about court’s process in Chile for infraction CCAMLR measures at July 2000 ...
Meeting Document : CCAMLR-XIX/BG/11 : Autor(es): Delegation of Chile
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
program, in particular the effects of the size (tag size-overlap) and numbers of tagged fish, the duration ... of the tagging program, the type of auxiliary data used in the assessment, and the catch history ... emerged within this overall trend. The results show that in the early stages of the tagging program, a ... and the resulting data should not be used in stock assessments with only few years of data available ...
Meeting Document : WG-FSA-12/18 : Autor(es): P.E. Ziegler (Australia)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
) of fish in the catch, determining the ages in the sample, and calculating proportions in each age ... the length frequency distribution, and thus that of the age distribution, are over-represented in the ... younger age classes in terms of the accuracy of integrated assessments that employ catch-at-age ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Autor(es): S.G. Candy (Australia)
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
and 88.2 in the Ross Sea are presented. The morphological parameters, indices of gonads have been ... % of total cell number. The oocytes in the ovaries of analyzed fish did not reach the maximum size ... Abstract: The results of the histological analysis of the Antarctic toothfish (Dissostichus ... mawsoni) reproductive system, caught in December-March, 2004-2005 by the longliner VOLNA in subareas 88.1 ...
Meeting Document : WG-FSA-07/49 : Autor(es): S. V. Piyanova and A.F. Petrov (Russia)
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
compared to evaluate important factors for the formation of foraging areas of Chinstrap penguins ... foraged in the inshore region, while overnight foraging penguins foraged in the slope region. It was ... suggested that important factors for the formation of daytime foraging areas may be mainly 1), while those ... difficulty in perceiving prey at night. Antarctic fur seals foraged mostly in the slope/offshore region ...
Meeting Document : WG-EMM-97/28 : Autor(es): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study
numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... breeding success calculated. As for most long-lived seabird species, growth/decline rates of the Adélie ... rates, especially of young breeding adults, than to changes in fecundity parameters. These findings are ... characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study Approval: Approved ...
Meeting Document : WG-EMM-02/48 : Autor(es): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)
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The use of Antarctic shags to monitor coastal fish populations: evaluation and proposals after five years of test of a standard method
. Likewise, the history of the development of this theme in relation to the EMM and FSA Working Groups of ... and quantitatively the diet of shags and can reflect differences in fish availability between seasons ... Abstract: This overview reflects the main points of the feasibility of using the Antarctic Shag ... CCAMLR since the onset of the 1990s until the recent five year testing period of the Standard Method, is ...
Meeting Document : WG-EMM-03/5 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)
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Review of Russian investigations of krill escape through the meshes of commercial trawls: approaches to estimating gross removal at krill fishery
Abstract: In this study the review of Russian investigations of krill escapement through the ... studies in two aspects: the problems and approaches to elaboration of the efficient methodology for the ... mortality» assessment in krill fishery. It is suggested to use the models of probability-statistical theory ... of fishing systems developed in AtlantNIRO, for solving the following tasks: quantitative ...
Meeting Document : WG-EMM-10/19 : Autor(es): S.M. Kasatkina (Russia)
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
Abstract: At Marion Island, there was considerable correlation in numbers of adults breeding at ... proportions of birds breeding. For both species the time of arrival of females for breeding, and for ... Rockhopper Penguins the mass of females on arrival, was significantly related to breeding success. Therefore ... significantly correlated with that of females. Although both species had low weights on arrival after the El ...
Meeting Document : WG-EMM-05/38 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)
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To the problem of distribution of different species of toothfishes Dissostichus
Abstract: According to the results of the long-term studies (1967–1991) in expeditions to the sub ... species were not overlapped in the area under review. Author(s): Prutko, V.G. Title: To the problem of ... -Antarctic and Antarctic waters of the Indian Sector of the Southern Ocean, distribution areas of the ... Patagonian and Antarctic toothfish are clearly cut. It was concluded that the areas of these toothfish ...
Meeting Document : WG-FSA-97/20 : Autor(es): Prutko, V.G.