Résultats de la recherche

1. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   fishing operations the netting bags abrade on the seabed causing rocks to be lost and the weights to ... seabed causing rocks to be lost and the weights to become progressively lighter, requiring ongoing ... snag on the seabed, potentially reducing the amount of gear lost in benthic habitats. This paper ... ) which lies in the eastern junction of the Beagle Channel and the South Atlantic Ocean. The vessel was ... Fuego is a 53.6 m Japanese-built (1972) tuna vessel con- verted to the Spanish system of fishing. In ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

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

   to replace the lost production of krill (i.e. if the predator switches diet and the new prey species ... ) will need to encompass the general effect of lost production aiid ensure that the lost production ... interactions distant in the food web from the fished species. Figure 4: Food web of the Eastern Bering Sea ... already present. For example, the Eastern Bering Sea ecosystem has been examined for its food web ...

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

3. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   /07 and 2008/09 seasons (Table 1). Discussion Yukhov (1972) suggested that the distribution of ... the bank, while D. mawsoni occupied the deeper slopes (Welsford et al., 2008). Yukhov (1972 ... temperatures (<1°C) occurred below 1 000–1 500 m depths on the eastern BANZARE Taki et al. 148 Ta bl e ... showed that a high propor- tion of juveniles were west of 90°E, but rarely in the eastern area. Thus, a ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Auteur(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami

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

   lost to birds. Murray et al. (1993) estimated a minimum of 3 652 seabirds caught in New Zealand ... . Hooks were baited individually by hand but a - - small proportion of baits was lost during setting ... baits were lost during setting, so mortality Ashford et al. Table 1: Timin and duration of lon ... those who died: Capitan Federico Horn Wheeler and Patricio Oyarzun. REFERENCES Ashford, J.R., J.P ...

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

5. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box in the ... -2 that was intermediate between the eastern and western areas. The size structure of the krill in ... density in the western box in the mid-season survey was less than that in the eastern box (80.4 g m-2 ... the eastern and western areas. The size structure of the krill in the central region also refl ected ... km survey box width. The eastern survey box was altered in two ways. First, the original western ... . Second, the eastern boundary of the eastern box was moved westwards by 16.66 km (reducing the box width ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

6. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   aspects of krill biology have been reviewed (e.g. Marr, 1962; Miller and Hampton, 1989; Quetin et al ... et al., 2010). Analy- ses of large-scale composites of net data (e.g. Marr, 1962; Mackintosh, 1973 ... the southwest (SW) Atlan- tic sector with 75% of the population in the 0–90°W sector (Marr, 1962 ... suggested that the climate had changed the ecosystems to such an extent that the old driv- ers lost their ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Auteur(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

7. The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters

   . Obviously, penguins do not observe religious fasts stipulating that only smaller krill be eaten on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Auteur(s): Marschoff, E. and B. González

8. A balanced model of the food web of the Ross Sea, Antarctica

   of animals that died due to predation but were not consumed at the time; (v) transfers of biota ... biota will make the choice of groupings somewhat of a compromise. Many of the lower and middle TL ... distinguished between in this model as the primary concern of this study is middle and upper TL groups. The ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

9. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   for here by 'pretending' that all these krill are lost to natural mortality on the verge of their ... of the initial deterministic age-stmcture has been lost. To avoid any possible confounding of ... / l2 to 5/12), while the pre-exploitation biomass survey is assumed to take place in the middle of ... middle of the growth season their mass-at-age (E,) is thus: For model 1, the spawning biomass of krill ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

10. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

    area stretching from the Antarctic Peninsula to the eastern part of the South Orkneys area. The ... eastern part of the Scotia Sea may cause it to be absent from the South Georgia region regardless of ... the area stretching from the Antarctic Peninsula to the eastern part of the South Orkneys area. The ... krill in the eastern part of the Scotia Sea may cause it to be absent from the South Georgia region ... Antarctic Peninsula to South Georgia, including Bransfield Strait, South Orkney Islands and the eastern ... meridional sections, located to the north of the island, then sailed to the eastern part of the Scotia Sea ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Auteur(s): Sushin, V.A. and K.E. Shulgovsky

Pages