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1. 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 ... database in the Elephant Island area (South Shetland Islands, Antarctic Peninsula) covering the years ... the study area after 13 days, but was then trapped in an eddy system for another 30 days before ... during summer when juvenile krill have already grown to their maximum size and in years when the first ... examination, and d, is all the other years. This results in 13 a posteviori tests. In multiple comparisons ...

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

2. 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

3. 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

4. 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

5. 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.

6. 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

7. 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.

8. Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses

   Paper Title:  Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the ... lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were very similar to those of ... toothfish and the trophic relationship between the toothfish and other species in the east Antarctic using ... a lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were Park et al. 30 ... , 1987; Michener and Schell, 1994). δ13C in an animal usually occurs within 1‰ compared with that of ... analyses to infer diet of Antarctic tooth- fish caught in the southern Ross Sea. CCAMLR Science, 20: 21–36 ... ° 95°E Sampling site 5841C 0 1 2 3 4 5 6 0 10 20 30 (32) Cu m ul at iv e n um be r o f ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Автор(ы): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*

9. Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina

   in the South Georgia area during the 1985/86 cruise of MT Carina Abstract / Description:  A fish ... survey in South Georgia waters was undertaken from November 1985 to January 1986 as a part of the on ... mesh sizes (47 and 60 mm) were used with a bottom trawl of 32 m head rope. Catch data were collected in ... % while N. rossii and D. eleginoides were present only as by-catch. In sampling catches two length groups ... + Age groups (years) O~~==~,==~==~,===;~~,==~==~,==~~ Figure 8 20 30 40 ~ Total length (cm ... the fishing grounds to make c.p.u.e. values comparable with those obtained in previous years. The ... . georgianus in research catches in subdivision 61 consisted of three separate length groups: 20-24, 32-41 ... there were more young fish (with lengths of 30-45 cm), which were not observed in catches made with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Автор(ы): Kreft, K. and J. Szynaka

10. Preliminary model of krill fishery behaviour in Subarea 48.1

    Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... Paper Title:  Preliminary model of krill fishery behaviour in Subarea 48.1 Abstract / Description ... :  A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... catches in the subarea. A number of management scenarios are considered which involve the closure of (i) a ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ... 48.1). Although only about 20% of the South Atlantic catch has been taken in Subarea 48.1, the catch ... periods (months were assumed to be 30 days long). Data from the Chilean fishery in Subarea 48.1 were ... Elephant Islands, the two major fishing areas, in alternate years. Closures were modelled by ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Автор(ы): Agnew, D.J. and V.H. Marín

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