Résultats de la recherche
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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
requirements at the nest increase, they increment the number but reduce the duration of the feeding trips. A ... as regulators of populations of its main fish prey species that have a marked site fidelity. The ...
Meeting Document : WG-FSA-05/P5 : Auteur(s): Casaux, R., Barrera-Oro, E.R.
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Informe preliminar sobre un viaje de pesca de merluza negra (Dissostichus eleginoides) del B/P Viarsa I, en el Océano Indico oriental (Área Estadística 57) – Abril–junio 2002
Dissostichus elegjnoides, obtained by a Scientific Observer from DINARA on board of the uruguayan F/V “Viarsa I ... in the Grade 4 of gonadic maturity (C, D, E fishing zones). The A and B zones corresponded with the ...
Meeting Document : WG-FSA-02/67 : Auteur(s): H. Nion y O.D. Pin (Uruguay)
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First Annual Report of the CCAMLR Otolith Network, 2002
; Central Ageing Facility, Victoria Australia; and CQFE, each provided a sample of otoliths, processing and ... estimated. Instead, there appears from these data to be a broad consensus on the otolith micro-features that ...
Meeting Document : WG-FSA-02/51
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Morphometrics, maturity and movement of the Antarctic skates Amblyraja georgiana and Bathyraja eatonii in the Ross Sea
. The regressions for these species should be used with caution. The length at 50% maturity for male A ... . georgiana is about 91 cm TL, and females appear to mature at a similar or slightly greater length. The ...
Meeting Document : WG-FSA-02/42 : Auteur(s): M.P. Francis and N.W. McL. Smith (New Zealand)
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Sources of variance in studies of krill population genetics
Abstract: There is a long-term interest in the population genetics of Antarctic krill species ... stocks of these species would affect the design of management strategies for conserving them. A recent ...
Meeting Document : WG-EMM-01/12 : Auteur(s): S.N. Jarman and S. Nicol (Australia)
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Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years
fish populations, the comparison of our results with historical data may be indicating a recovery of G ... . gibberifrons in inshore waters around the archipelago. Author(s): R. Casaux and A. Ramón (Argentina) Title ...
Meeting Document : WG-EMM-00/8 : Auteur(s): R. Casaux and A. Ramón (Argentina)
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
more intensively on G. gibberifrons than those at the South Shetland Islands. This finding indicates a ... low abundance of this fish species in inshore waters (Author(s): R. Casaux, A. Baroni and E. Barrera ...
Meeting Document : WG-EMM-00/9 : Auteur(s): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Estimation of the fishery–krill–predator overlap
fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... reduced overlap in Subarea 48.1 after 1990. The RPO and Schroeder index indicated a greater increase in ...
Meeting Document : WG-EMM-99/11 : Auteur(s): Secretariat
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Results of the Dissostichus spp. new fisheries projects in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
Abstract: During February and March 1998, a 43-day cruise on FV Tierra del Fuego was conducted as ... ), 19.1 g/hook (Subarea 48.1) and 3.0 g/hook (Subarea 48.2), with a total average of 11.1 g/hook. Author(s ...
Meeting Document : SC-CAMLR-XVII/BG/07 Rev. 1 : Auteur(s): Delegation of Chile
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Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area
before 1982/83 with abrupt ozone depletion. With a gentle-ascending gradient of ozone depletion, however ... , krill stock density seems to be slightly recovering year by year after 1990 indicated a minimum of it ...
Meeting Document : WS-AREA 48-98/5 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)