Résultats de la recherche

1. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

   eleginoides) took place from 28 June to 27 July 2003. This experiment was carried out by a Spanish longliner ... . eleginoides in the area should be able to be found by following these water masses at in- creasing depths ... 2003. This experiment was carried out by a Spanish longliner, following commercial fi shing procedures ... observations were conducted by a national observer. Using the Spanish bottom longline system, a total of 57 ... , followed by a mixture layer below, and the intermediate sub-Antarctic water masses in the layer deeper ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J

2. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   populations Abstract / Description:  In stocks that have been depleted by overfishing, the benefit of ... CCAMLR has closed several fisheries due to concerns that stocks have been depleted by over- fishing ... 2009 (SC-CAMLR, 2009b)) and declining catches by the authorised fleet in the fishery (Divisions ... depleted by overfishing, the benefit of additional fisheries remov- als for research purposes needs to be ... Mangel, 2006). This paper extends the work conducted by de la Mare and Constable (1990) on develop- ing ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C

3. Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands

   on ovarian development in Champsocephalus gunnari caught by the RV Dr Eduardo L. Holmberg in the ... generalised regression was found, which was observed in 41% of mature fish. A high proportion of juvenile ... individuals (45%) was found, together with a relatively low occurrence of females that spawned or were in ... histological analysis was carried out on ovarian development in Charnpsocephalus gunnari caught by the RV Dr ... , 1987; North and White, 1987). In many fish species these strategies are complemented by complex ... size Oocyte Development Stages (50 to 120 pm); this is accompanied by a diminution of the n / c ... development stages for C. gunnari and corresponding classification used by other authors. This Study ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Auteur(s): Macchi, G.J. and E.R. Barrera-Oro

4. Statistical power to detect changes in growth rates of Antarctic fur seal pups

   total number of pups weighed in a season,by decreasing the time between weighings. File:  23-Boveng-et ... number of pups weighed in a season, by decreasing the time between weighings. Resume Des simulations ... pups weighed per date, was drawn at random from normal distributions with means determined by our ... was drawn under similar conditions to the first, except that the underlying growth rate differed by a ... significantly different. The number of significantly different results divided by 500 is an estimate of the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Auteur(s): Boveng, P., J.L. Bengtson and M.E. Goebel

5. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   , probably because the birds at the former site are distracted from the longlines by the discharge of offal ... longlines by the discharge of offal from the side of the vessel opposite to where the longline is set. Le ... same period with catches taken by a mixture of longlining (12%) and trawling (88%). A trawl fishery ... season. (Croxall e t al., 1990). By-catch rates of u p t o 0.457 birds per 1 000 hooks have been ... ca tches a r e t aken mostly by trawling, and where longlines are used i n t h e Kergue len f ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville

6. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   krill abundance index Abstract / Description:  Haul-by-haul logbook catch and effort data from the ... -ku Shizuoka, 424-8633 Japan Abstract Haul-by-haul logbook catch and effort data from the Japanese ... are dictated by factory capacity and therefore the amount caught is usually regu- lated by this ... much as possible, to provide constant supplies to the factories by adjusting the catch to factory ... processing capacity. Adjusting catches can be done by regulating fi sh ing effort, but catch is also ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Auteur(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

7. Environment–krill relations in the South Georgia marine ecosystem

   strongly influenced by the oceanographic regime of the Scotia Sea. File:  02fedoulov-etal.pdf ... Georgia is strongly influenced by the oceanographic regime of the Scotia Sea. Resume La variabilite ... (Priddle et al., 1988). These va r i a t i ons a r e f r equen t ly accompanied by marked changes in ... ) concluded that a large-scale breakdown of hydrographic structure caused by prolonged periods of southward ... dominate. This will be the case in the South Georgia area as indicated by the restricted spatial extent ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Auteur(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

8. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   . Indices derived from these data indicate that although average prey density varied by a factor of almost ... indicate that although average prey density varied by a factor of almost five between 1990 and 1996, prey ... prey availability. Acoustic volume backscattering data, from surveys conducted by the US Antarctic ... . Acoustic data collection from 1992 to 1996 was described by Hewitt and Demer (1992, 1993a, 199310, 1994a ... 1995 1996 Acoustic data collection during 1990 and 1991 was described by Amos et al. (1990) and ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer

9. Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector

   effects of disturbance regimes, whether by iceberg scouring or historical commercial bottom trawling ... , whether by iceberg scouring or historical commercial bottom trawling. Patterns of benthic invertebrate ... , 1912; Hedgpeth, 1969). Such attempts have been plagued by difficult and per- plexing taxonomy or ... thwarted by sparse records. Even where advances in both have been so great as to allow the delineation of ... land-based stations, and have been limited by very small spatial scales with little attention given ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Auteur(s): Lockhart, S.J. and C.D. Jones

10. On the intensity of sampling krill trawl catches

    measurements of length from commercial krill;  catches should be made, as far as possible, by a single observer ... Figures 2 and 3. Again significant differences were found between mean lengths by station at both the ... made. as far as possible. by a sin~le obseryerlyessel; • consideration still has to be given to the ... by all vessels other than those of the Japanese fishing fleet, which already carry out such sampling ... . This recommendation was subsequently endorsed by the Scientific Committee (SC-CAMLR-VIII, paragraph ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.

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