Résultats de la recherche

1. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   South Georgia Abstract / Description:  This paper investigates the influence of mixing of fish, and the ... , simulating fish movements within this system and overlaying various combinations of tagging and recapture ... -scale boxes lying along the 1 000 m contour. The uneven distribution of fish was simulated by adjusting ... an average movement rate downwards when fish entered a high-density box (as indicated by high CPUE ... Group on Fish Stock Assessment. In: Report of the Twenty-third Meeting of the Scientific Committee ... Abstract This paper investigates the influence of mixing of fish, and the uneven distribution of tag ... constructing a spatial model of the South Georgia toothfish fishery, simulating fish movements within this ... contour. The uneven distribution of fish was simulated by adjusting an average movement rate downwards ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Auteur(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

2. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   of sensors, spatial resolution, mission dates, products relevant to this report and accuracy. The ... sectors which roughly correspond to the CCAMLR Statistical Report- ing Areas: The Weddell Sea sector ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Auteur(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

3. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

   pelagic surveys. Horizontal distribution and length composition of fish, as well as the comparative ... of young and adult fish was also different. Large fishes were most often taken near the bottom, while ... fish taken by the sampling trawl in the water column was found to be krill. Aggregations of juvenile C ... carried out during the six pelagic surveys. Horizontal distribution and length composition of fish, as ... area. Diurnal vertical distribution of young and adult fish was also different. Large fishes were most ... to 60-80%) of both juvenile and adult fish taken by the sampling trawl in the water column was found ... : The number of hauls carried out during surveys of juvenile fish in the shelf areas of South Georgia ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

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

   , Food and Rural Affairs). 2003. Adapted from the report: UK small cetacean bycatch response strategy ...

   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

5. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   between 0.22 and 0.38. The CCAMLR Working Group on Fish Stock Assessment later adopted 0.35 as the value ... , Beverton and Holt and several other methods. Therefore in 1989 the CCAMLR Working Group on Fish Stock ... composition data is used in estimating components of size classes in the catch: where n I = number of fish ... : where nl a a1 a2 = = = number of fish aged a of length I in the key; minimum age of fish of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Auteur(s): Frolkina, G.A. and R.S. Dorovskikh

6. Myctophids in the diet of Antarctic predators

   , whales, fish and squids) in order to help evaluate the importance of myctophids in their diets. This ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ... food samples is still difficult. Many species of fish, birds and seals take myctophids ... predator on myctophids. The Bathydraconidae fish, Gynmodraco acuticeps, from the Kosmonavtov Sea (Indian ... diet of various top predators (birds, seals, whales, fish and squids) in order to help evaluate the ... fish (Nototheniidae - eight, Channichthyidae - seven, Bathydraconidae - two and Rajidae - one), 18 ... fish, birds and seals take myctophids opportunistically in addition to their staple diet. Penguins ... area of the Indian Ocean is the only one specialist predator on myctophids. The Bathydraconidae fish ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.

7. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   Potter Cove Abstract / Description:  The long-term monitoring program of demersal fish at inshore sites ... , Australia: 40 pp. Kock, K.-H. 1992. Antarctic Fish and Fisheries. Cambridge University Press, Cambridge ... and N. coriiceps. Materials and methods Fish were caught in two localities in the South Shetland ... relative catches of fish at Potter Cove. Source Sum of squares Degrees of freedom Mean square F P (a ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff

8. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   g at the banks and 153 to 188 g in the Kerguelen Island area were recorded for fish at age 6 to 12 ... stable but on the Kerguelen Shelf there is a tendency towards younger fish being more abundant. File:  10 ... g in the Kerguelen Island area were recorded for fish at age 6 to 12. Growth parameters were ... Shelf there is· a tendency towards younger fish being more abundant. Resume L'age, la croissance et ... Authority) from around the Ob and Lena Banks and the Kerguelen Islands from 1969 to 1987. The age of fish ... was determined using standard methods (Chugunova, 1959). To this end, fish scales were used as an age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.

9. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   Japanese fisheries data in Subareas 48.1, 48.2 and 48.3 dur ing 1980 through 1997. Document WG-EMM-98 ... . Fisheries Oceanography, 7: 381-390. Reid, K.G., J.L. Watkins, J.P. Croxall and E.J. Murphy. 1999. Krill ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Auteur(s): Watkins, J.L

10. Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)

    of information on fish distribution and abundance from available surveys. The estimates of planar ... .-H. 1986. The state of exploited Antarctic fish stocks in the Scotia Arc region during SIBEX (1983 ... National Marine Fisheries Service US Antarctic Marine Living Resources Program PO Box 271, La Jolla, Ca ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Auteur(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III

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