Результаты поиска

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

   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 ... 1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for fifteen years ...

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

2. 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 ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ...

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

3. 2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   become available for the years 2005 and 2006. The assessment allows for a second fleet to accommodate ... 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 ...

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

4. 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 ... consumption were taken from Reilly et al. (in press) who reported the results of a marine mammal survey ... –1 .0 00 0 30 40 –3 17 0 91 Allocating krill catch limit among SSMUs in the Scotia Sea In ... land-based predators are assumed to have left the area. However, in some years the number of fur ... SSMU may change from year to year and that an index may have some predictive value in estimating ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Автор(ы): 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

5. 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 ... ) from both years were formed for use in a power analysis. Monte Carlo simulations were used to ... ------- ------- Females ------- mean mean Date n weight (kg) s.d. n weight (kg) s.d. 1988: 2 Jan 30 9.91 1.60 20 8.78 ... =O.1 • 5 10 15 20 25 PERCENT CHANGE IN 4 weighing dates 6. 28-day intervals 50 pups/day 3 ...

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

6. 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 : Автор(ы): van Wijk, E.M., R. Williams and A.J. Constable

7. Statistical problems in krill stock hydroacoustic assessments

   Paper Title:  Statistical problems in krill stock hydroacoustic assessments Abstract / Description ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... the population is fixed in space, relative to the sampling interval. There remain several unsatisfied ... biomass present in an area, but rather how it is distributed. The issue of patchy years vs more even ... distributed. Consider as a test case that we have two surveys in two consecutive years giving identical ... is approximately 20 n miles from Seal Island, a known penguin rookery. The large swarm observed in ... SC-CAMLR-VII/BG/22 STATISTICAL PROBLEMS IN KRILL STOCK ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Автор(ы): Macaulay, M.C.

8. Diet composition of Dissostichus eleginoides in Subarea 48.3, Dr Eduardo Holmberg survey March/April 1996

   Abstract:  A diet analysis of the patagonian toothfish Diissostichus eleginoides in the Subarea ... 48.3 in March/April 1996 was carried out by frequency of occurrence (F%) and coefficient "Q" ... ; (%) methods. The samples consisted chiefly of immature specimens, with predominant length ranges of 30-70 cm ... occurred scarcely in the stomachs and only at SR and SG respectively. Lepidonotothen kempi, Champsocephalus ...

   Meeting Document : WG-FSA-96/29 : Автор(ы): Barrera-Oro, E., Marschoff, E., Casaux, R.

9. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   Paper Title:  Analysis of variability of krill size and fish by-catch in the Japanese krill ... and haul) based on a state–space model, separating biological process error in the population dynamics ... from fishery process as observation error. In both krill length and by-catch fish number, the ... parameters estimated by the Markov chain Monte Carlo (MCMC) method hardly show difference among years ... th (m m ) 60 50 40 30 20 (a) Adult size in Subarea 48.1 Overall trend Year E st im at ... Year E st im at ed m ea n le ng th (m m ) 60 50 40 30 20 (c) Adult size in Subarea ... ed m ea n le ng th (m m ) 60 50 40 30 20 (b) Adult size in Subarea 48.2 Overall trend ... 40 30 20 (e) Year Area Y–A Ves. Cruise Haul Ind. Va ria ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Автор(ы): Okuda, T. and M. Kiyota

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

    Paper Title:  Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... selectivity of different types and sizes of hooks used in longlines. Original data obtained during 1991 off ... % more efficient than hooks No. 4. Using different bait does not result in significant differences. It is ... hooks in the VIII Region is presented in Table 3 together with mean length. Length frequency ... 50~-------------------------------------------- 40 30 20 10 0 40 50 40 30 20 10 ... , 1898) in Chile started as early as 1955, the year in which the exploration of the continental slope ... WG-FSA-91/11 HOOK SELECTIVITY IN THE LONGLINE FISHERY ...

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

Страницы