Resultados de la búsqueda

1. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

   02 brandao et al proof for pdf.indd CCAMLR Science ... , production model, steepness, surveillance, toothfi sh, CCAMLR Brandão et al. 13 for the fi shery (31 ... , 1999, for methodology), for tuna (e.g. Punt et. al., 1995) and for orange roughy (e.g. Francis, 1992 ... natural mortality M, greater steepness corresponds to Brandão et al. 15 greater sustainable yields ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Autor(es): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller

2. An assessment of the impact of krill fishery on penguins in the South Shetlands

   available for the 1990/91 season (Figure 9(1)) (Ichii et al., 1991). Krill biomass was estimated to be 1 ... fishing takes place. Croll et al. (1993) suggested that chinstraps do not require extremely dense ... or space for nest sites. According to the sea-ice maps (Zwally et al., 19831, Low Island is located ... with the date of break-out of ice in spring (Croxall et al., 19881, the earlier annual occurrence of ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Autor(es): Ichii, T., M. Naganobu and T. Ogishima

3. Fish stock assessment survey in Subarea 48.3

   that this decline may be due to either a massed migration or high mortality. File:  03-Everson-et ... . The survey design was similar to those of previous years (Parkes et al., 1990) with a series of ... the bottom. A net as close as possible to that used for the Professor Siedlecki survey (Parkes et al ... for fish >25 cm as there was in last year's survey (Parkes et al., 1990). By contrast, at Shag Rocks ... equation used in Everson et al. (1991) from samples examined during the survey. The results are given in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Autor(es): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

4. Consideration of major issues in ecosystem monitoring and management

   was developed by Butterworth et al. (1991, 1994) and Constable and de la Mare (1996) is a ... example of this is given by Thomson et al. (2000). The key input parameters for such a calculation are ... species’ diet, condition and reproductive indices (Kock et al., 1994; Everson et al., 2000a; Everson and ... movement that may be related to feeding and spawning activity (Everson et al., 2001), although movement ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Autor(es): Everson, I

5. Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994

   considerablement la mortalite des albatros Ashford et al. et la restreindrait aux petrels a menton blanc. La ... lost to birds. Murray et al. (1993) estimated a minimum of 3 652 seabirds caught in New Zealand ... around South Georgia (Ashford et al., 1994). At the 1993 CCAMLR meeting, the Scientific Committee ... . MATERIALS AND METHODS Fishing equipment and operations were as described in Ashford et al. (1994). Most ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

6. Commercial krill fisheries in the Antarctic, 1973 to 1988

   trend has been independently confirmed by Dolzhenkov et al. (1988) and in the absence of further ... two fisheries (cf Ichii, 1987; Dolzhenkov et al., 1988) and, second, Soviet effort data are only ... theories for observed patterns exist (e.g. Marr. 1962; Makarov et al., 1970; Mackintosh, 1973; Lubimova et ... the immediate vicinity of the fishing fleet. Both the Soviet (Dolzhenkov et al., 1988) and to some ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.

7. WG-SAM-10/20

   benthic bioregionalisation of the Ross Sea region (Sharp et al. 2010). We conclude that bottom fishing ... Zealand’s notification for new and exploratory fisheries in 2008/09 (New Zealand 2008, Sharp et al. 2008 ... subsequently published separately (Sharp et al. 2009) for wider consideration within CCAMLR. In 2009 SC-CAMLR ... areas of importance for conservation, to inform spatial management planning (Sharp et al. 2010). The ...

   Document : Site Section: Publications

8. A simple approach for calculating the potential yield of krill from biomass survey results

   . File:  12-Butterworth-et-al.pdf ... (a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit to data ... can both be set equal to 1 for convenience. Rosenberg et al. (1986) estimate .eoo = 60 mm and p ... season corresponding to the parameter estimates obtained by Rosenberg et al. (1986) for the growth model ... growth curve form used by Rosenberg et al. (1986), together with the assumption that mass is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Autor(es): Butterworth, D.S., A.E. Punt and M. Basson

9. Relevamiento de desechos marinos en la costa septentrional de la Base Científica Antártica Artigas (BCAA) en la Isla Rey Jorge/25 de Mayo – temporada 2002/03

   playas seleccionadas de acuerdo al método establecido por la Comisión, en un área Norte de la costa ...

   Meeting Document : SC-CAMLR-XXII/BG/20 : Autor(es): Delegación de Uruguay

10. Importancia de los estudios patológicos en depredadores tope del ecosistema marino Antártico

    ante el desconocimiento que sobre esta materia había y como una contribución al conocimiento de ...

    Meeting Document : SC-CAMLR-XX/BG/18 Rev. 1 : Autor(es): Delegación de Chile

Páginas