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1. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... and about two-thirds of the sampled fish could not be sexed. Precision estimates and age bias plots ... –11.0 and 15.1–15.5 cm. Mean lengths of 4.9 and 7.3 cm (at ages 1.3 and 2.3 years respectively ... on board and again after one year stored frozen at –20°C did not differ in length. Von Bertalanffy ... sampled from the Ross Sea. 0 10 20 30 40 50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Age (years) Fr eq ... ue nc y Age (years) Fr eq ue nc y 50 40 30 20 10 ... frozen for almost two years. SL has been used for all analyses as caudal fins were frequently damaged ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn

2. Analysis of haul data from the South Georgia krill fishery

   neighbourhood. The range of measurements describing the fishery indicates that differences existed between years ... neighbourhood. The range of measurements describing the fishery indicates that differences existed between years ... "30fW), a two-sample T-test based on 10 daylight hours (hours 0700 to 1659) and 14 night-time hours ... CCAMLR Science, Vol. 5 (1998): 9-30 ANALYSIS OF HAUL ... . The range of measurements describing the fishery indicates that differences existed between years ... , BbInOnHeHHbIM TpaynepaMH, ocyqecTsnaBmmm npoMbrcen KpHnrr B pafio~e K ) x ~ o f i l -eopr~u 3a nepr?on 1994 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

3. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

   in the Scotia Sea. Only one or two vessels operate off Wilkes Land and none operates off Enderby Land ... as representative. One set comprises two samples from the same haul each containing 150 individuals of krill, one ... n-300 No.489 n=314 No.490 n=309 No.491 n=303 20 30 40 50 Length 20 30 40 50 ... Paper Title:  Observations of fishing operations on a krill trawler and distributional behaviour ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... a good index to measure abundance of a concentration. Comparison of such an index across time and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.

4. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   are categorised as being both biologically explicit and immediately available for implementation. However, two ... current fishing patterns. These two alternatives could be implemented immediately if the CCAMLR Member ... are categorised as being both biologically explicit and immediately available for implementation. However, two ... current fishing patterns. These two alternatives could be implemented immediately if the CCAMLR Member ... subarea in a single year. Then, for the following two years, that subarea would be closed to fishing ... be closed to fishing during the two following years while Subareas 48.2 and 48.3 were subsequently opened ... are categorised as being both biologically explicit and immediately available for implementation. However, two ... current fishing patterns. These two alternatives could be implemented immediately if the CCAMLR Member ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt

5. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... of special relevance to the CEMP. File:  30-Croxall-and-Williams.pdf ... Based on dietary and other biological information collected over several years at Bird Island ... , unpublished data). Only in one year (1985) did the proportion of E. superba fall below 65%. During ... at two and three years old (Williams, 1990), gentoo penguins have the shortest period of immaturity ... and other biological information collected over several years at Bird Island, South Georgia ... , Cambridge CB30ET, UK 483 Resumen Basandose en la informaci6n dietetica y bio16gica recopilada ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Author(s): Croxall, J.P. and T.D. Williams

6. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... during years between periods of extensive ice cover decreased during the second half of the time series ... of the Antarctic Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... years is apparent and is consistent with features described by Stammerjohn and Smith (1996) for ice ... cover during the summer months and winter ice cover during years between periods of extensive ice cover ... , BbrpamaeMoro B eAI4HHqaX ~ ~ ( ' K M ~ / M ~ c R Q . TOT HHAeKC M O X H O HCnOJIb30BaTb B MCCJleAOBaHHSIX ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Author(s): Hewitt, R

7. On reproduction of Electrona carlsbergi (Tåning)

   , and that of the nucleus reaches 56 to 69 Ilm. The membrane consists of two layers: an internal one - a membrane in itself ... E. carlsbergi Ha CTa,llHH 11. Pe30p6~H5I 6bICTPO paCTYII{HX OO~HTOB. YBeJIHlIeHHe - 20 x 10. Tab1a ... WG-FSA-90/20 ON REPRODUCTION OF ELECTRONA CARLSBERGI ... . C03peBaHHe 5IHQHHKOB HenpepbIBHoe, HepeCT nepHO,llHQeCKHti. HepecToBbIti ce30H npO,llOJI)KHTeJIbHbIti ... Paper Title:  On reproduction of Electrona carlsbergi (Tåning) Abstract / Description:  This paper ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Author(s): Mazhirina, G.P.

8. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between years ... between subareas, years and shelf/oceanic regions. Obviously, a consistent pattern of CPUE values does ... not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and 1980/81 ... indices: (i) total catch/total hours for the split-year (1 July to 30 June); (iii) mean monthly ... (e.g. one month), not of the entire season and the entire fishing fleet. Comparison between Years ... and areas. We know from published results, however, that this year was one of the poorest krill years ... (this was observed at least in some years), can we expect krill density to be similar in the two regions ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

9. Estimating krill recruitment and its variability

   rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from nine surveys ... a mean recruitment rate for 1+ krill (the ratio of the number of krill aged one year to the number ... of krill aged one year and above) of 0.339 with a standard deviation (SD) of 0.100. The corresponding ... , with R(t) estimated for both putative one-year-old and two-year-old age classes. Five putative age classes ... the surveys with R(t) estimated for both putative one- and two-year-old age classes. above data, and four ... of surveys show very low densities of putative one-year-olds. Either these animals were indeed largely ... of krill aged one year to the number of krill aged one year and above) of 0.339 with a standard deviation ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K

10. A simulation study of krill fishing by an individual Japanese trawler

    inconsistency is found: haul times are a factor of 4-5 times greater in reality than in the model. Two ad hoc ... , and allowing hauls to continue through more than one swarm. Twenty four candidate abundance indices (generally ... is found: haul times are a factor of 4-5 times greater in reality than in the model. Two ad hoc model ... hauls to continue through more than one swarm. Twenty four candidate abundance indices (generally ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.

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