Resultados de la búsqueda
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
, fecundity levels and population numbers) were analysed for the Béchervaise Island Adélie penguin colony in ... changes in annual survival rates, especially of young breeding adults, than to changes in fecundity ... parameters. Results are discussed in comparison with data from a declining Adélie penguin population in the ... Ross Sea studied during the 1960s and 1970s (Ainley et al., 1983), and in relation to other CEMP ... po nd er s. A ll ch ic ks d ie d o f st ar va ti on in 1 99 5. ( a) N um be ... f m al e ad ul ts a t Bé ch er va is e Is la nd c ar ry in g im pl an te d tr ... t B éc he rv ai se Is la nd c ar ry in g im pl an te d tr an sp on de rs . (a ... paramètres démographiques (taux de survie selon l’âge, fécondité et effectif de la population) de la colonie ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Autor(es): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... the distribution of animal orientations. Due to the high variability of TS to realistic changes in ... variability of krill in the area of investigation. In a multifrequency context, the girth–length relationship ... at in a ll th e D em er a nd C on ti w or ks th e w av e in ci de nc e an gl ... rb a M . n or ve gi ca N [4 5. 3, 30 .4 ] N [5 3. 8, 64 .2 ] O bs er va tio n in ... , 34 .1 ] N [0 ,3 0] O bs er va tio n in si tu w ith u nd er w at er c am er a ... ] O bs er va tio n in a qu ar iu m C hu e t a l., 1 99 3 E. su pe rb a N [ 20 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Autor(es): Calise, L. and G. Skaret
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A hybrid approach to acoustic classification and length estimation of krill
the acoustic estimates of species and sizes to net samples collected during three surveys conducted in ... et à l’estimation de la taille de deux espèces d’euphausiidés par acoustique. Une concentration ... probabilités de classifi cation, on a intégré les décisions individuelles. La structure des tailles de la ... concentration classifi ée est dérivée d’un modèle de sphère fl uide. L’effi cacité de la méthode est démontrée ... при различных условиях окружающей среды. Resumen Se considera el problema de la identifi cación ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Autor(es): Azzali, M., I. Leonori and G. Lanciani
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Conservation Measure Conservation Measure 10-10 (2012)
tendrá en cuenta conjuntos de datos de cumplimiento apropiados, así como datos de otras fuentes relevantes. ii ... de la Convención 23-06 Sistema de notificación de datos para las pesquerías de Euphausia superba ... , o es insuficiente para la verificación Datos insuficientes, poco claros o incorrectos Ambigüedad ... CCAMLR Compliance Evaluation Procedure Adopted at Meeting: CCAMLR-XXXI Period in Force: 2012 ...
Conservation Measure : 10-10 (2012)
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
ecosystem Abstract / Description: The history of human harvests of seals, whales, fish and krill in the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... ) species. The model commences in 1780 (the onset of fur seal harvests) and distinguishes the Atlantic ... /Indian and Pacific Ocean sectors of the Southern Ocean in view of the much larger past harvests in the ... de la interacción entre especies por sí solos pueden explicar las tendencias observadas de la ... the discovery of high levels of fluoride in the exoskeleton of krill (Nicol and de la Mare, 1993 ... discussions de cette question. L’objectif de cette étude est de déterminer si, à elles seules, les ... sur les espèces de krill, de quatre baleines mysticètes (la baleine bleue, le rorqual commun, la ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth
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WS-AREA 48-98
Full Name: Workshop on Area 48 Location: La Jolla, Ca., USA Date(s): Monday, 15 June 1998 to ... evidence from the krill fisheries S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M ... . Trathan and E.J. Murphy (UK) WS-AREA 48-98/11 Concordance of inter-annual fluctuations in densities of ... variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic I.L. Boyd (UK) WS-AREA ...
Meeting
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B0-WS-00
Full Name: B0 Workshop Location: La Jolla, Ca., USA Date(s): Tuesday, 30 May 2000 to Friday, 9 ...
Meeting
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Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
method, which is described in the works by Metropolis, N., Ulam, S. (1949) and Sobol, I.M. (1978), is ... assessment of complex stochastic systems, including the assessment of the effectiveness of trawl nets used in ... of various configurations. The algorithm for solving this problem is constructed in such a way that ... equations and two double inequalities). The proposed algorithm can be realised by computer in algorithmic ... redes de arrastre empleadas en la pesca de krill. Sin embargo, el metodo Monte-Carlo por si mismo, no ... in the works by Metropolis, N., Ulam, S. (1949) and Sobol, I. M. (1978), is used as a basis. The ... l'evaluation de l'efficacite relative des engins de peche du krill au moyen de modeles statistiques. La ... methode Monte-Carlo, decrite dans les ouvrages de Metropolis, N., Ulam, S.(1949) et Sobol, I. M.(1978) a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Autor(es): Kizner, Z.I.
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A balanced model of the food web of the Ross Sea, Antarctica
model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an average ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... ) in trophic flows between groups. Parameters for biomass, production rate, growth efficiency, diet ... changes in biomass, production/biomass and production/consumption parameters were needed to balance the ... these groups due to the fishery. Résumé Un réseau trophique quantitatif de la mer de Ross est ... présenté ici en vue de l'étude des effets sur l'écosystème de la pêcherie de légine antarctique ... biote de la mer de Ross sont consolidées dans le modèle qui teste la cohérence des données. Le modèle ... une année moyenne récente (1990–2000). L'accent y est mis sur le rôle de la légine antarctique dans ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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SC-CAMLR-SSP-2
meetings of the Scientific Committee and Working Groups of the Scientific Committee in 1985. Abstracts of ... OF CCAMLR 1985 COMMUNICATIONS SELECTIONNEES PRESENTEES AU COMITE SCIENTIFIQUE DE LA CCAMLR ... pour examen I.ors de sa reunion de 1995 figurent dans cc volume. Les communications sont presentees ... .:as I.es langues officielles de la CCAMLR_est annexe A chaque document. traduites les 1egendes aes ... . Xock (South Afr fl. ca) T,G. Lubimo va S.A.. Miz:roc t , et -!i l 1 33 59 79 113 ...
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