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1. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

   one year or more, whereas in others gonad maturation was completed within one season. Length at sexual ... maturity and length at first spawning in  Champsocephalus gunnari  was one year later on the southerly ... species, such as  Notothenia rossii  and Pseudochaenichtyhys georgianus, spawn at least one to two months ... indicate that in some species final maturation of the gonads takes one year or more, whereas in others ... of G. gibberifvons belonging to age classes 0-2 (Figure 6) were caught in some numbers in waters of 20-30 m off ... maturation of the gonads takes one year or more, whereas in others gonad maturation was completed within one ... , spawn at least one to two months later than at South Georgia. Channichthyids (except C. gt~nnari ... South Shetland Islands due to one large haul of more than 800 kg/30 min. The number of species ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Author(s): Kock, K.-H., C.D. Jones and S. Wilhelms

2. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... nHLtJH, IIpll~oCMMofi IITeH4ah.r 3a OnMH pas, 6b1na HopMaJIbHofi, H 0 6onee AnllTenbHbIe IIOXOAbI 3a ... Season year is shown in Table 1. We found a negative (Kruskal-Wallis One-way ANOVA on Ranks ... numbers of chicks reaching fledging age Breeding success of predators such as seabirds (Crawford ... between annual breeding success rates were identified by a one-way ANOVA and classified into groups ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

3. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   estimated subarea biomass in up to 20% of years due to high variability in krill biomass indices. The actual ... in up to 20% of years due to high variability in krill biomass indices. The actual exploitation rate ... in 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... % of the reference level) and one of the ‘acceptable limits’ on risk (10% probability of falling below 20 ... of individuals aged more than about 1 year) in the upper 500 m of the water column. Krill are also found ... is caught in one subarea. In these scenarios, the indic- ative exploitation rate for Subarea 48.1 exceeds ... and the associated subarea catch limits are generally precautionary with aver- age exploitation rates ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

4. 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 ... 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 ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from nine surveys ... , 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 krill aged one year to the number of krill aged one year and above) of 0.339 with a standard deviation ... surveys, with a youngest putative age of one year. Top - Nella Dun during SIBEX 11, bottom - Aurora ...

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

5. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   mortality was seen and only one bird was caught on a hook; nevertheless many species in these aggregations ... during day hauling operations. No incidental mortality was seen and only one bird was caught on a hook ... configurations of streamer lines might be easier to accommodate, e.g. two lines, one to port and the other ... . No incidental mortality was seen and only one bird was caught on a hook; nevertheless many species ... ~ Y ~ ~ B ~ C T H M K ~ H ~ e p ~ o 6 p o s o r o aJlb6a~poca. C n y ~ a e ~ n o 6 o ~ ~ o f i CMepTHOCTll s a ~ e v e ~ o He 6h1no - nurub onHa nmua ... Interactions with Longlining regulates this fishery, notes and welcomes the invitation from Chile for one ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

6. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   in the individual proportions of pairs raising zero, one or two chicks might be detectable using sample sizes much ... years' data are available is the "mean-squared-error" (MSE) term from a one-way analysis of variance ... are measured. In general, the sample of birds monitored one year is not the same as the sample monitored ... to the study, the mean number of chicks raised to creche age per pair was 1.26, with a standard deviation ... Paper Title:  On the power to detect changes using the standard methods for monitoring parameters ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson

7. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

   and the type of product re- quired. Most tows lasted from one to several hours depending on the distribution ... operation areas amounted to 100 ÷ 200 g/m2 (or 390 ÷ 780 tonnes/mile2). Except for one month when the fi ... intensity. During the two most recent decades, such years occurred in the 1987 to 1991 commercial fi shing ... of the 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore ... commercial fleet on the krill population in different months during the 1987 to 1990 fishing seasons within ... % of the total catch. The calculations were based on haul-by-haul data from the Soviet fleet, using a ... on the krill population – on biomass and the density of krill aggregated in the fishing grounds – was ... fishing intensity, the Soviet fishing fleet had no impact on the krill stock or, consequently, on krill ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Author(s): Kasatkina, S.M. and V.F. Ivanova

8. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 ... year to year over that time, ranging from ≈2 to ≈150 g m-2(fresh mass). The 1982, 1991 ... on average in one year out of every six or seven1. Survey timing, however, may influence the perception one ... . 15.87% of measurements from a normal population (i.e. between one year out of six and one year out ... using one or other of these approaches, and values reported for cruises after this time are thus what ... Georgia, 1981 to 1998 question can be considered one of unusually low abundance. From standard sampling ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

9. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   , based on the data collected during the surveys, including growth curves, natural mortality, ages ... collected during the surveys, including growth curves, natural mortality, ages and sizes of maturity ... for the Heard Plateau is 275 mm. The growth curve gives a mean length for fish aged one year less than the age ... 12 039.0 35.8 19.1 137.0 187.0 Age 5 1985 Cohort Density Std Error 4 173.0 12 516.0 80 ... age structures in the same year and appear to have differences in their growth curves ... error of the estimate 2 . The resultant estimates of M are 0.30 (yr.') for age 2 and above and 0.64 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Author(s): de la Mare, W.K., R. Williams and A.J. Constable

10. Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data

    the locations of pelagic catches of Balaenopterid whales by month between 1931/32–1979/80. Two sets of maps were ... of Balaenopterid whales by month between 1931/32–1979/80. Two sets of maps were produced. The first series ... produced. The first series contains 24 maps of catches by species by month, and the second consists of 30 ... , plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 113-193 : Author(s): Mizroch, S.A. et. al

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