Résultats de la recherche
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
become available in this respect (see Croxall et al., 1988) and should be considered as future ... ; • exito en la reproducci6n; y • peso del polluelo al emplumaje. 1 . INTRODUCTION Since the ... que deben ser hechas. A7: Peso del polluelo al emplumaje (2 al 21 de febrero 1988). Tamafio de la ... pesos al emplumaje (kg) de los polluelos del pingOino Adelia. a. 2-6 Feb. 1988 b. 7-11 Feb 1988 c ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
facteurs enviromementaux) doit Stre prkservee. Agnew et al. B Qespane 1999 r . y W r n ~ o i 4 ... 5 3 92 56 95 65 89 61 60 54 73 65 57 54 49 45 25 32 75 27 61 Agnew et al. Table 2 ... end of setting. Agnew et al. Table 4: Bird by-catch rates and numbers of feeding attempts in the ... . They have been recorded to reach depths of up to 5 m in this manner (Prince et al., Agnew et al ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity
vessels has been well documented (e.g. Brothers, 1991; Cherel and Weimerskirch, 1996; Ryan et al., 1997 ... early to mid-1990s (Polacheck and Tuck 1995; Weimerskirch et al., 1997). However, more recently the ... surrounding certain sub-Antarctic islands is cause for concern (e.g. Ashford et al., 1995; Croxall and ... spring of 1996 (Ryan et al., 1997; Purves, 1997) and continued for the time period of this study ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Auteur(s): Nel, D.C. and J.L. Nel
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
region in which the presence of D. eleginoides was uncertain (Moreno et al., 1997). The survey followed ... , for example, the diversity reported from the Kerguelen Islands (Duhamel et al., 1997), although the ... described by other authors (Duhamel, 1987; Moreno et al., 1997). In addition, changes in topography, such ... did not determine whether the sex ratio fluctuated over a 12-month period. Moreno et al. (1996 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez
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Champsocephalus gunnari stock status in the South Georgia area
variaciones utilizando los metodos de regresi6n F. El reclutamiento se tom6 al nivel mas bajo posible para ... todos esos anos (400 millones de ejemplares). La captura-por-unidad-de-esfuerzo se tom6 tambien al ... un perfodo previsto fue igual al valor medio de la mortalidad por pesca; ( b ) Para el periodo ... previsto la intensidad de pesca estuvo al mismo nivel que en 1987/88; (c) Para el perfodo previsto la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Auteur(s): Borodin, R. and P. Kochkin
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
can be seen in CCAMLR statistics (e.g. SC-CAMLR, 1994; Murphy et al., 1997). The relative stability ... where mesoscale hydrographic features were also found, while Murphy et al. (1997) and Trathan et al ... , 1996; Kasatkina et al., 1997). If we assume that fishing vessels moved northeastwards because they ... certaine variabilite avec un minimum en novembre de 3,2 tonnes/heure et des niveaux maximum en fevrier ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A
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Observation of seabirds in the Southern Ocean in 1988/89
distribucion numeric a y de las especies de aves en el area subantartica del oceano Austral al sur de los 600 ... noviembre de 1998 al 29 de mayo de 1989). 541 Figura2: Figura 3: Figura4: Figura 5: Figura 6 ... abundancia de ayes entre las estaciones Bunger Hills y Molodezhnaya (9 al 20 de abril de 1989). (para la ... (11 al 28 de diciembre de 1988). Claye: (1) petrel antartico; (2) petrel neyado; (3) petrel plateado ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov
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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