Résultats de la recherche

1. Management and uncertainty: the example of South Georgia

   . From an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a ... examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison of ... IX 2(f} et XV 2(e,d} de la Convention de la CCAMLR, on deduit qu'une comparaison entre )es effets ... capacidad de tomar decisiones frente a la incertidumbre. A partir de un examen de los Articulos IX 2(f) Y ... XV 2(e,d) de la Convencion de CCRVMA se desprende que una comparacion de los efectos inrnediatos y ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Auteur(s): Gulland, J.A.

2. A rationale for conservation areas within Antarctic waters

   :  The application of potential conservation measures listed in Article IX 2 of the Convention requires ... marine living resources’ (Article IX 2 (b)). In order to select meaningful boundaries for such areas ... potential conservation measures listed in Article IX 2 of the Convention requires "the designation of ... " (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has been ... potentielles enumerees a l'Article IX 2 de la Convention necessite "la designation de secteurs et de sous ... IX 2 (b). Afin de selectionner des limites significatives pour ces regions, la circulation de ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Auteur(s): Chittleborough, R.G.

3. Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   169 to 2 150 m. Most effort was concentrated along the 1 000 m depth contour. Sperm whales were the ... . Killer whale pods were generally small (2–8 animals), while solitary animals and larger pods (>15 ... vessels, although smaller groups (2–3 animals) were also relatively common. Interactions with killer ... longlines, targeting Patagonian toothfi sh (Dissostichus eleginoides), were deployed in depths of 169 to 2 ... . Killer whale pods were generally small (2–8 animals), while solitary animals and larger pods (>15 ... vessels, although smaller groups (2–3 animals) were also relatively common. Interactions with killer ... eleginoides) ont été posées à des profondeurs de 169 à 2 150 m. L’effort de pêche était principalement ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Auteur(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins

4. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   measuring 1.25 x 10 6 km 2 off the northwestern side of the Antarctic Peninsula indicates that there were ... 6 km 2 /month. This index may be used in conjunction with studies of variability in biological ... curves of sea-ice cover were drawn from monthly estimates for each year (Figure 2). The area under the ... . Areal and Seasonal Extent of Sea-ice Cover 1980 1979-95 mean 1989 Month Figure 2: Annual ... of annual curves similar to Figure 2. These findings confirm much more extensive analyses ... the mean monthly ice cover for the subsampled area used in this study (Figure 2). Stammerjohn and ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R

5. Selectivity of commercial and research trawls in relation to krill

   abundance and biomass estimates. Estimates of krill mass density (g/m 2) and biomass are less dependent upon ... density (numbers/m 2) and abundance. File:  11kasatkina.pdf ... speed was 3.5 knots. IKMT Station l 2 3 The IKMT is a midwater trawl with a length of 26.8 ... codend against mechanical wear and tear. The trawl is towed with a single wire. Station 1 2 3 ... the same scientific observer and all samples were sorted by 2 mm length classes. Catch (tonnes ... and were observed as either individual swarms or as a near-surface dispersed layer (Table 2). Table ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Auteur(s): Kasatkina, S.M

6. Validation of sink rates of longlines measured using two different methods

   plastic bottles (bottle method). Sink rates measured to 2 m with bottles averaged 0.23 ± 0.07 m.s –1 ... measure sink rates to depths of more than 2 m down to the seabed. A major advantage of the TDRs is the ... string of known length wrapped around empty plastic bottles (bottle method). Sink rates measured to 2 m ... readings were required. TDRs can be used to measure sink rates to depths of more than 2 m down to the ... bouteille). Avec les bouteilles, la vitesse d’immersion à 2 m était en moyenne de 0,23 ± 0,07 m.s–1, alors ... mesurer les vitesses d’immersion à des profondeurs de plus de 2 m et jusqu’au fond. L’un des principaux ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson

7. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

   the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... toothfish (Dissostichus eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the ... 1 500-2 000 m. Numerically, catches were dominated by Patagonian toothfish (Dissostichus ... eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the genus Macrourus were the ... prelev6s sur les palangres posees perpendiculairement aux isobathes, jusqufB 1 500 B 2 000 m de profondeur ... . Dans les captures, la legine australe (Dissostichus eleginoides) dominait, en nombre, avec 2 822 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez

8. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   December 1990 to early February 1991. This increased krill density in early February 1991 (157 g/m 2) was ... 1.78 million tonnes (56 g/m 2) in late January 1991. The obtained estimate of krill biomass should be ... relation to water flow and chlorophyll a (ChI-a) distribution in 1990/91 austral summer. 2. MAlERIALS AND ... Islands (Leg II: 18 January to 4 February, 1991, Figure 2). 2.1 Physical Oceanography and Chlorophyll a ... Island (shown as shaded areas in Figures 1 and 2). Observations were conducted along closely-spaced ... (Figures 1 and 2) and tracked using the Argos system carried on TlROS-N and NOAA-A satellites. Typically ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

9. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   g m –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m –2, SD ... –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m–2, SD = 64.2). A ... faibles en hiver (moyenne = 18,7 g m–2, SD = 24,3), sont remontées considérablement chaque année avant ... l’été (moyenne = 89,5 g m–2, SD = 64,2). Un modèle de régression sinusoïdale (période = 52 semaines ... (среднее = 18.7 г м–2, SD = 24.3), но каждый год значительно возрастала к лету (среднее = 89.5 г м–2, SD ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Auteur(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

10. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

    approximately 3.5 million km 2 which is divided into four subareas (labelled Subareas 48.1 to 48.4) for ... subareas to monitor krill biomass in survey grids covering between 10 000 and 125 000 km 2. Cautious ... provided data on krill biomass in 2 million km2 of Sub- areas 48.1 to 48.4 in January 2000. (iii ... al., 2002, 2004a). It was conducted in early 2000 and covered an area of about 2 million km2. This ... (Table 2 and Figure 1). These monitoring programs provide valuable information about year-to-year ... Table 2: Summary of local krill monitoring programs in Subareas 48.1 to 48.3. Subarea Organisation ...

    Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Auteur(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

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