Resultados de la búsqueda

1. Attribtuion of acoustic echoes to squid in the south Atlantic

   r n o n a e ~ a o f i B 6 n ~ 3 n e ~ a 1 q ~ x BoAax, c qenbm onpenenmb aKycTIlvecKHe ... the Maurice Ewing Bank where the APFZ had been located a month before (Figure 1). Satellite tags on ... . ---__c-. Figure 1: Map of the South Atlantic Ocean showing the context of the squid study, the ... hauls within the survey area (stippled in Figure 1). Echosounder settings are summarised in Table 1 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Autor(es): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

2. Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile

   the slope waters lying between 47ºS and 58ºS at the southwestern tip of South America (Figure 1 ... between April 2002 and March 2003. A total of 222 hauls were observed and 1 310 585 hooks were ... ° –70° –68° –66° Figure 1: Study area in which operational interactions of marine ... ° –65° Scale: 1:16184071 at Latitude 0° 131 Interactions of sperm and killer whales with the ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Autor(es): Hucke-Gaete, R., C.A. Moreno and J. Arata

3. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   estan dispuestos a aceptar cambios en los regimenes de pesca existentes. 1. INTRODUCflON In ... among subareas or local areas: 240 (1) Amount of information on biological interactions explicitly ... among subareas are: (1) Historical catches, (2) Even division among subareas, (3) Shelf area, (4 ... limits according to historical catches gives a limit of 270 000 tonnes for Subarea 48.1 (1 500000 tonnes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Autor(es): Watters, G. and R.P. Hewitt

4. Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)

   A revised bathymetric chart of the Elephant Island shelf is shown in Figure 1. Areas of seabed ... to 100 m and within 100 m depth contours from 100 to 500 m are set out in Table 1. The previous ... during SIBEX (1983-1985). Arch. Fisch Wiss . , 37 (Beih.1): 129-186. SC-CAMLR. 1992. Report of the ... Table 1: Areas of seabed (n miles2) around Elephant Island by fine-scale grid of 15' latitude X 30 ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Autor(es): Kock, K.-H. and U. Harm

5. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   . Tixier1, N. Gasco2, G. Duhamel2, M. Viviant1, M. Authier1 and C. Guinet1 1 Centre d’Etudes Biologiques ... series of 1 km long sections fitted with approxi- mately 1 000 hooks each. Previous studies showed ... methods From 1 September 2003 to 31 August 2008, 4 289 lines were hauled by the seven legal long- liners ... season runs from 1 September to 31 August. Observer protocol The data were collected by fishery ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Autor(es): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

6. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   are shown in Figure 1 (krill length) and Figure 2 (number of by-catch fish). A summary de- scription ... interaction effect on the variation of krill length as follows: ij i j ijY µ α β γ= + + + (1) ( )~ N 0,10 ... iterations after a burn-in of 1 000 iterations, thinning at intervals of 50. Con- vergence of the posterior ... follows:  ( ) 2 2 2 2 1 1var 1 1 V C H I Y s s n nm s s nmr nmru = + + + (21) where n, m, r ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Autor(es): Okuda, T. and M. Kiyota

7. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   years considered is presented in Table 1. In all instances echosounders were fully calibrated. From ... cruises (Figure 1). From this it can be seen that before 1996, data were available from areas broadly ... cruises not depicted in Figure 1 (i.e. 1981, 1982 and 1992) are given in Trathan et al. (1992), Murphy ... ) Table 1: Summar of similarities and differences between acoustic surveys of krill density at South ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

8. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

   of Assessment of CCAMLR Measures to Mitigate Seabird Mortality Figure 1: Location of start and ... laid (mean = 13 634 hooks/ night; SD = 1 650). Set locations are shown in Figure 1. The number of ... between 1 and 7 April (with four on a Ashford and Croxall single line on 1 April), when streamer ... (SD = 553) laid each night was observed in the following hauls, and a mean of 12 990 hooks (SD = 1 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Autor(es): Ashford, J.R. and J.P. Croxall

9. Note on estimating krill abundance from acoustic data on individual aggregations

   Africa 219 1. INTRODUCTION At its Second Meeting in Leningrad, the CCAMLR Working Group on Krill ... : (1) where (jJ)i = mean echo-intensity (proportional to mean squared voltage) between depths RI and ... estimated from Equation 1 as before. If the aggregation data is available in terms of density rather than ... echo-intensity, Equation 1 simply becomes: p.= PA f j ' jg where P Ag is the mean within ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Autor(es): Hampton, I. and D.G.M. Miller

10. Scientific observations in CCAMLR fisheries – past, present and future

    waters located south of the Antarctic Convergence (or Polar Front) at about 50°S (Figure 1). These ... principles outlined in Article II of the CAMLR Convention (CCAMLR, 2004a, Part 1) embody an ‘ecosystem’ and ... – past, present and future Fi gu re 1 : M ap o f t he C C A M L R C on ve nt io n A re ... )). ______________________________________________________________________ 1 CCAMLR has interpreted Article XXIV of the Convention as ‘requiring the implementation of a ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard

Páginas