Résultats de la recherche

1. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   Islands (Subarea 48.1), the fi shery operated from 1978/79 to 1989/90. A decrease in recruitment to the ... updating analyses of rela- tive abundances of the nototheniids mentioned at these localities, this study ... especie corresponde a la mitad del nivel a principios de la década de los 80, mientras que el nivel de G ... date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean values. 0 ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff

2. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   discussions (see Nicol, 1991 for review) and resulted in the establishment of a Precautionary Catch Limit of ... 1.5 million tonnes in the Atlantic Sector of the CCAMLR Convention Area at the Tenth Meeting of the ... sufficient k:rill remain available to meet the needs of predators. Also, the Commission agreed that feedback ... alter conservation measures based on options in Article IX of the CCAMLR Convention and dictated by the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

3. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   presents a revision of annual consumption of the species by higher predators and provides a brief review of ... species by higher predators and provides a brief review of information about the life cycle and ... , about 80 mm longer than those from the APFZ, and collected four months earlier in waters to the north ... generations. Date of Drift 17/18 June 18/19 June 19/20 June 20/21 June 21 /22 June 22/23 June 23/24 ... the limited information currently available, but as a precaution, a closing date from late August ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Auteur(s): Rodhouse, P.G

4. Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)

   1989/90. Since then the reported catch has been in the region of 3 000 to 4 000 tonnes, with the ... Chilean studies to provide a review of the methodology and its applicability to the stock assessment of ... of latitude and longitude, each point being labelled with the date on which the catch was taken ... mentioned is that the levels of catches taken are, in fact, insufficient to deplete the stocks and the ...

   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

5. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   accounts for over 90% of the echo energy (Foote, 1980a), and distributes the reflected sound more omni ... set higher (–80 dB re m–1) in ex situ experiments because the targets were sus- pended near the ... threshold (dB re m –1) –80 Noise margin (dB) 0 0 0 Azzali et al. 80 Table 2: Length classes of ... factors that pro- duce either systematic variations (trawl efficiency, avoidance reaction) or stationary ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Auteur(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

6. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   South shelf North South break South shelf 100 90 80 70 60 50 40 30 20 10 0 North South break ... initial descriptive review, based on the analysis of seasonal biological data collected on board the San ... done to pro- vide interannual comparability during the summer period. Comparisons of the northern ... information to date is that D. maw- soni builds up condition in the south over one or more seasons and then ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M

7. The utilization of seabird censuses for krill monitoring

   mentioned species are more or less suitable for direct observation, at the present state of the art it is ... Experimental Design, 2nd Ed. McGraw-Hill Book Company, New York. - 408 - Table 1. Eigenvalues obtained ... sensitive variates except Psygoscelis spp. in decreasing order. Log transformed data. ·90: I I I I ... (.), ler Cuartil (-), Mediana (*), 3er Cuartil (~) y 90 D~cil (,). Transformados a logaritmos. Trazado ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana

8. Cephalopod research in the Antarctic

   span is approximately one year; spawning occurs once and is quickly followed by death. Size ... successfully raised in rabbits and testing is being carried out for cross reactions with other pelagic ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Auteur(s): Rodhouse, P.G.

9. The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species

   overlaps between predator foraging areas and fishing activities (see SC-CAMLR, 1997 for review). The ... review) rather than specifically for the related species or assemblages. The aim of this criterion is ... to as 'the Convention') and the obligations contained therein (Article 11), which aim to ensure ... aim of this paper is to examine the mech- anisms needed to achieve that part of Article I1 of the ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J

10. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

    small ones were caught in the water column. The main food item (up to 60-80%) of both juvenile and adult ... to 60-80%) of both juvenile and adult fish taken by the sampling trawl in the water column was found ... les plus petits se trouvaient dans la colonne d'eau. L'aliment principal (60-80%) tant des poissons ... (no 60-80%) 6brn KpHnb. C ~ o n n e ~ m MononPi C. gunizari Ma6nKInanHcb TonbKo 3a npeAenaMPi ... agua. El kril fue el aliment0 m8s importante (hasta un 60-80%) de la dieta de 10s peces juveniles y ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

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