Résultats de la recherche

1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13

   in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H. Unstandardised ... Antarctic toothfish CPUE in the Ross Sea and Subarea 88.2 fisheries have fluctuated over the past 10 years ... Slope. Mean ages and ages of larger fish increased in the first few years of the fishery in each area ... vessels fishing shallower there in the last four years. There is some evidence for a similar reduction in ...

   Meeting Document : WG-FSA-13/48 : Auteur(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)

2. A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17

   . Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Abstract:  This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ... the 2017 season. In 2017, sea ice constraints were minimal and catch rates were the second highest on ... record, resulting in the shortest season to since the fishery started. Median and 90%ile scaled lengths ...

   Meeting Document : WG-FSA-17/07 : Auteur(s): S. Parker and S. Mormede

3. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   one- and two-year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in ... Paper Title:  Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... and 53 o-57 o 30´W) for proportional recruit and density indices. Proportional recruitment indices ... the study area after 13 days, but was then trapped in an eddy system for another 30 days before ... -year-old animals in the population in that year. 111 a few cases the recalculated values differ ... distribution range adequately and therefore results in an underestimation of the proportion of l-year-old ... Island survey area), but, in the same year, on a much larger scale throughout the Antarctic Peninsula ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Auteur(s): Siegel, V., W. de la Mare and V. Loeb

4. Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides

   Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ... evaluation of escapement of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in ... fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... of 3800 tonnes. Of 21 otoliths found in Elephant Seal stomachs at Heard Island that have previously ...

   Meeting Document : WG-EMM-97/42 : Auteur(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.

5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11

   1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... in Subarea 88.1 and for ten years in Subarea 88.2. This report summarises the timing, depth, and ... location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... slope SSRUs 88.1H and 88.1I, and SSRU 88.1K. About 63% of the catch limit in the north was taken from ...

   Meeting Document : WG-FSA-11/45 : Auteur(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

6. Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities

   Workshop will be held in Hobart in April 2018 in association with the MEASO2018 conference. This paper ... Abstract:  The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ... CCAMLR to develop joint activities in this regard, planning is underway for an ICED Workshop focussed on ...

   Meeting Document : WG-EMM-17/36 : Auteur(s): E. Murphy on behalf of ICED SSC

7. 2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   data from a pot fishery that operated in 2004 and 2005. Updated biological parameter values for Subarea ... % of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... raised at WG-FSA-SAM 2006 about this assessment are addressed. Author(s):  A. Brandão and D.S ... . Butterworth (South Africa) Title:  2006 assessment of the toothfish (Dissostichus eleginoides) resource in the ...

   Meeting Document : WG-FSA-06/58 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

8. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   fishery would be restricted in some of its traditional fishing grounds during years of low krill ... management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... SSMU may change from year to year and that an index may have some predictive value in estimating ... consumption were taken from Reilly et al. (in press) who reported the results of a marine mammal survey ... catch limit in the two South Georgia SSMUs and the two Bransfi eld Strait SSMUs could vary from year ... –1 .0 00 0 30 40 –3 17 0 91 Allocating krill catch limit among SSMUs in the Scotia Sea In ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

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

   changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... Paper Title:  Statistical power to detect changes in growth rates of Antarctic fur seal pups ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Monitoring Program Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island ... :=,8=0.1 0:=,8=0.1 + + 15 20 25 CHANGE IN 30 35 40 GROWTH 45 50 RATE Figure 2: If the ... each sex and year in Table 1. There were no significant differences in variances of pup weights among ... dates, for either sex in either year (P > 0.13 in all cases). Table 2 shows estimates of growth rates ... reduction in statistical power that would occur if samples of 50 female pups were weighed each year on ...

   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

10. Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries

    McDonald Islands (Division 58.5.2) in 1992 and 1993. The range of estimated ages was 4 to 25 years. There ... Paper Title:  Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in ... were no significant differences in growth parameters calculated for males and females. Von Bertalanffy ... operations in the Heard Island region in 2000. The length at first maturity (L 50) was 418 mm (total length ... Ross Sea. 0 100 200 300 400 500 600 700 0 5 10 15 20 25 30 Age (years) To ta l l en gt h ... Dorsal Ventral van Wijk et al. 142 0 5 10 15 20 25 30 -500 -400 -300 -200 -100 0 100 200 300 ... width (distance from last ring to second last ring). The number of fi sh with a birthday in each 30 ... corresponding to the upper end of each bin. 0 5 10 15 20 25 30 200 250 300 350 400 450 500 550 600 650 ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Auteur(s): van Wijk, E.M., R. Williams and A.J. Constable

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