Résultats de la recherche

1. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   of fish feeding activity was also observed at night. Fishing during this period with bottom trawls ... observed at night. Fishing during this period with bottom trawls had yielded almost no catches at all. The ... ). With the onset of dusk (17:00 to 19:00 hr) fish begin migrating to the upper layers and the size of ... concentrations when fishing with midwater trawls. Trawls were set at depths where concentration of fish was the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov

2. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   -1987/88 were used to analyse N. guntheri stock status. On the basis of these data using VPA method with ... . guntheri stock status. On the basis of these data using V P A method with different adjustments stock ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Auteur(s): Shust, K. and R. Borodin

3. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   species, Gasyukov and Dorovskikh (1990) suggested a new approach to the determination of natural ... practical calculations, with regard for the random pattern of the initial data and the final sample amount ... Butterworth (ICSEAF, 1989) and simplified for our modelling study seems to be most consistent with our ... recruitment rate on parent stock size; E is random number from normal distribution with mean 0 and variance ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh

4. Do krill and salps compete? Contrary evidence from the krill fisheries

   were stern trawlers which fished with midwater trawls. Ten-kilogram subsamples were taken from each ... analysis of deviance was carried out using a generalised linear model (GLM) with an identity link ... function and binomial errors (Venables and Ripley, 1994), with the proportion of green krill as the ... low salp densities were observed during months with relatively high percentages of green krill ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

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

   alternative model (equivalent to one with no seasonal component, as investigated by Beddington and Cooke) are ... must therefore be correlated to some extent with the growth curve assumed. Finally, it must be ... Foundation for Research Development, South Africa. Discussions with Mr D. Miller (Sea Fisheries Research ... , Australia: 95-144. W ALTERS, C.J. 1986. Adaptive Management of Renewable Resources. New York: Macmillan ...

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

6. Review of length-weight relationships for Antarctic krill

   often collected during laboratory experiments and may be difficult to compare with field data, however ... -calculated to facilitate direct comparison with other published coefficient values. Tables 1 and 2 show ... seasonal change in krill weight. For different months (with different dominant adult maturity stages) a 50 ... spawning season, with minimum weight during winter. This seasonal variability partly explains the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Auteur(s): Siegel, V.

7. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   ., 1987), and used a semipelagic trawl with dimensions substantially different to other surveys. Hence ... to each stratum was similar for each survey, with the fewest hauls in the 50-150 m strata and the ... Hard Bottom Snapper Trawl (HBST) with vented V-doors, both manufactured by Net Systems Inc ... . (Bainbridge Island, Wa., USA). The overall length of the trawl was about 63 m, with an average horizontal ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías

8. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   . Mitigation measures Atlantic Navigator The Atlantic Navigator was equipped with a seal- exclusion device ... second net was also confi gured with measure 3. Esperanza The Esperanza did not deploy any specifi c ... Kaisha Ltd. A section of roof panel netting, measuring 6 x 4 m is removed, and replaced with a panel of ... net acted as an excluding device, preventing the seals from entering the codend. A panel with a ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew

9. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

   effective subdivision (Watters and Hewitt, 1992; Everson, 2000; Miller and Agnew, 2000). With the recent ... and the krill population can be matched with the larger scale of the fi shery (see Schneider, 1994 ... ecosystem interact, with little interference from external factors. These can be viewed in a number of ... area with a well-mixed group of individuals is known as a ‘local population’. A collection of local ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Auteur(s): Constable, A.J. and S. Nicol

10. Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae

    drop in feeding was 23.10/ 000 per hour with a daily food intake of about 5.6% of body weight ... es, aproximadamente, 15 veces el peso del pez. * Polar Research Institute of Marine Fisheries and ... value of marine zooplankton. Okeanologiya,22 (1): 102-107. TARVERDIEVA, M.I. 1986. Comparative ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Auteur(s): Gerasimova, O.V.

Pages