Résultats de la recherche
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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
of one size t.l3 .. const wi th ohe and the same step along transects !z.x" const (Kalikhman et al ... Bignificant) trend. Also note, that in data used (Kalikhman et al., 1986) va- lue () represents an average ... direccion de la prospeccion con respecto al eje de la elipse de correlacion y la frecuencia de las ... usadas en la practica para una estimacion a posteriori del error cometido al calcular la biomasa, asi ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
total number of pups weighed in a season,by decreasing the time between weighings. File: 23-Boveng-et ... echantillons de poids n'ont ete obtenus que trois fois par saison, et les moyens potentiels d'augmenter ... d'environ 34%, dans les memes conditions. Dans certains cas, I'efficacite peut et re legerement augmentee ... , tailles des echantillons, moyennes et ecarts-type du poids des jeunes otaries de Kerguelen males et ... femelles mesures a l'l'le Seal en 1988 et 1989. Resultats des rebroussements lineaires du poids des ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Auteur(s): Boveng, P., J.L. Bengtson and M.E. Goebel
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
respectively. Sedimentological analyses performed on the grounds surveyed (Acosta et al., 1989) showed that ... Pavalomis spp. (Rubilar et al., 1993) grasping onto baited hooks. In the South Orkneys and South ... (Rubilar et al., 1993) do in fact belong to this species. As regards the bathymetric distribution of P ... al low the deve lopment of a s se s smen t m e t h o d s a n d t h e e s t ima t ion of ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías
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SC-CAMLR-SSP/5 – Part I, 1988
close to the Antarctic ice-edge during the summer months [Butterworth et al (1987)]. It has therefore ... : stratum S1) are typically 2-4 times the densities further north [8utterworth et al (1987)]. 2.2.2 ... introducen dos modificaciones al modelo ad hoc para eliminar esta anomalia: alargar los cardumenes de krill ... operar en zonas pequenas al mismo tiempo que los buques de pesca. 1 . INTRODUCTION This document ...
Document : Site Section: Publications
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
computed using methods similar to those presented in Jones et al. (1999). These estimates are based on ... of the raw data follows that of Jones et al. (1999). Briefly, raw data of the combined information ... estimates from data obtained during the US AMLR survey of the South Orkney Islands in 1999 (Jones et al ... (sous-zone 48.2) est creke en utilisant plusieurs bases de donnees bathymetriques inthgrees et des ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
instrument for studies. File: 04-Dolzhenkov-et-al.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Auteur(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
BeJlllYAH CPUE C IIOMOwbK) J I ~ ~ e f i ~ o f i PerpeCCllll Parkes et al. ' ~ J I o B Ha KPIOYOK ... (Lemaitre et al., 1991). This paper draws on information from both the work on CCAMLR data and the ... model (Jones and Parkes, 1994; Rubilar et al., 1994; Anon., 1994). This 'experimental fishing ... . Table 1: Description of the datasets. Parkes et al. 1 Dataset C l Dataset C Figure 1: Map ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
fish. On the other hand, Young et al. (1992) demonstrated that for D. eleginoides the greatest ... . DISCUSSION AND CONCLUSIONS Young et al. (1995), who compared age readings of scales and otoliths of D ... underestimate the age of D. eleginoides in the South Georgia area. Although Young et al. (1995) found ... . eleginoides: Zakharov and Frolkina (1976) Lt = 204.3 [l-e-0.05631t + 0.5451 1 Shust et al. ( 1990) Lt ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Auteur(s): Cassia, M.C
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
aspects of change in predator populations and communities (e.g., Croxall et al., 1988) and the scale at ... which interactions between different species needs to be considered (e.g., Murphy et al., 1988) there ... (Croxall, 1989) or environmental features, such as ice conditions (e.g., Trivelpiece et al., 1990 ... -fishing human impacts on marine systems (see Green, 1979; Stewart-Oaten et al., 1986; Underwood, 1990 and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
suggestions are made in this regard. File: 11-Butterworth-et-al.pdf ... distance travelled since the last swarm was encountered, Al is proportional to the number of swarms per ... ~(y) = 0.238 e-A,1Y + (1 - O.238!Al) Az e-"A2Y (13) The results for this two-parameter version of ... para indicar, de mejor manera, el comportamiento de los ajustes al emplear valores altos y bajos de y ... simulation informatisee sont necessaires pour verifier si ces parametres d'estimation, et d'autres modeles ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Auteur(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller