Résultats de la recherche

1. Management and assessment options for the crab fishery around South Georgia

   context of this crab fishery with specific reference to the principles of the CCAMLR Convention. We ... compatible with the expansion of the information base available for assessment. File:  14basson-hoggarth.pdf ... together with the requirements of Article I1 of the CCAMLR Convention. The objectives in sub-paragraph 3 ... then consider these options in the context of this crab fishery with specific reference to the ... develop at a rate compatible with the expansion of the information base available for assessment ... . spinosissirna h a d n o t been ta rge ted i n t he CCAMLR Convention Area before this fishing trip, so ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Auteur(s): Basson, M. and D.D. Hoggarth

2. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... three years from 2006 to 2008, with catches peaking in 2008, and a total catch of 927 tonnes (Table 3 ... for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used in this report ... 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... 0 1 0 * * * 1 Total 41 296 752 594 1 353 1 764 2 171 3 190 2 967 3 074 2 250 18 453 * SSRUs with ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Auteur(s): Hanchet, S.M., S. Mormede and A. Dunn

3. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   relative abundance of this species and G. gibberifrons are well below those found in the early 1980s. These ... with historical information on offshore commercial fishing and with the results of scientific surveys ... inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... of catch date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean ... with the observed split-year mean values. Annual marks correspond to 1 January each year ... below those found in the early 1980s. During the 16 years of observations the values observed were ... years, in parallel with the decrease of N. rossii and G. gibberifrons populations (Barrera-Oro and ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

4. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   other years appears to be associated with female maturity development and spawning during the early ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... . The length frequency distributions and maturity stage composition reflected relatively good year class ... success from the 1990/91 spawning season but poor success from 1991/92. Year class success from these and ... success. Years of good year class success, such as 1987/88 and 1990/91 (Table 2), were associated with ... with female maturity development and spawning during the early summer months. The overall abundance ... year class success, 1988/89 and 1990/91, were associated with the least developed female stages (3a ... maturity development during early summer is an important factor influencing year class success, due to ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

5. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   consistent with previous research. Regression equations for converting standard length to total length and ... mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ... about 370–400 mm TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to ... approached a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years ... the summer months. They observed spent females in early January and no females with maturing gonads ... ) = 1.0220 x 10–6). The data are plotted in Figure 3, with the fitted curves from the full model overlayed ... compared with model 1 range between <1% to 3%; differ- ences in BIC range between <1% to about 1%). The ... . dewitti are sexually mature at about 370–400 mm TL and 6–8 years of age. This finding is consistent with ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

6. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   operations concentrated on the outer shelf in the early 1980s, along the shelf slope in the mid to late 1980s ... , and from the shelf across to the outer shelf in the early to late 1990s. Intra-annually, trawling ... positions generally started from the outer shelf and proceeded towards the shelf later in the season ... each fishing season were initially large with a gradual decrease in the early 1980s. Mean STP for ... - ceeding towards the shelf, with some exceptions (1981/82,1986/87,1992/93) (Figure 3). The mean STPs for ... May) they again moved towards the outer shelf (Figure 3). Correlation of STP with Biological ... (Table 3). In other words, for fishing seasons with high krill density, trawling positions of krill ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa

7. Editorial

   Science coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several ... assessment of the population status of toothfish and of assessing the risk associated with gathering data and ... potential costs of research catches as well as the potential spatial overlap with vulnerable benthic ... Representative for their country (or the CCAMLR Secretariat) to investigate ways to maximise the potential impact ... coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several thousand ... population status of toothfish and of assessing the risk associated with gathering data and interpreting ... costs of research catches as well as the potential spatial overlap with vulnerable benthic habitats. In ... their country (or the CCAMLR Secretariat) to investigate ways to maximise the potential impact of their ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Auteur(s): Editors

8. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   caught with straight hooks Nos 3 and 4 are not significantly different, but hooks No. 3 are nearly 31 ... hooks is increased (e.g., from 4 to 3) or when circle hooks are used instead of straight hooks. File ... , 1898) in Chile started as early as 1955, the year in which the exploration of the continental slope ... hooks. The length frequency distributions of fish caught with straight hooks Nos 3 and 4 are not ... regulation does not consider types and sizes of hooks utilised. 3. FISIDNG WITH LONGLINES The first ... five sections with hooks No. 3 and five sections with hooks No. 4. The hooks used were also of Mustad ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

9. Food consumption by predators in a CCAMLR integrated study region

   . Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages. With ... composition and prey energy content) and comparing these with the original version which lacks these. 3 ... available. Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages. With ... discussion with Members and other appropriate specialists on how best to proceed towards this goal was ... Antarctic Survey (BAS), in conjunction with Dr J.P. Croxall and Mr P.A. Prince. The program was written in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Auteur(s): Croxall, J.P., C. Ricketts and A.G. Wood

10. Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors

    samples (layer between 0 and 1 m) taken with a sampler towed by RV Professor Vize, Corethron criophilus ... Weddell Gyre. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was ... associated with the southern branch of the Antarctic Circumpolar Current, while on tack 3 as well as on tack ... 11 (southern part, 203 Figure 3) it was associated with the central part of the Weddell Gyre ... ) taken with a sampler towed by RV Professor Vize, Corethron criophilus dominated over vast areas within ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Auteur(s): Makarov, R.R. and K.P. Fedorov

Pages