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1. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   to the hypothesis of a krill surplus in the mid-20th century is described, and the information on population ... , together with suggested further areas for investigation. Amongst the key inferences of the study ... surplus in the mid-20th century is described, and the information on population and trend levels that has ... , and the plausibility of the results and the assumptions on which they are based is discussed, together with suggested ... of this species declined substantially over the first 20 years of the fishery, from 1970 to 1990 (Kock, 1992 ... . Crabeater seals have hardly been harvested, but 750 animals were taken per year in Region A for 11 years ... . The background to the hypothesis of a krill surplus in the mid-20th century is described, and the information ... , together with suggested further areas for investigation. Amongst the key inferences of the study ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Author(s): Mori, M. and D.S. Butterworth

2. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... of depredated biomass over an 11-year period (2003 to 2013), accounting for spatial variations of depredation ... biomass over an 11-year period (2003 to 2013), accounting for spatial variations of depredation levels ... years. This is the case for many demersal longline fisheries at high latitudes on both hemispheres ... recorded by scientific observers who noted that grenadier catch rates remain unchanged on a longline ... fishery operates year-round, but within the Crozet Islands EEZ, 35% of fishing activity occurs ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

3. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with 6–11 years ... growth, greater ages-at-maturity (about 20 years compared with 6–11 years) and greater maximum ages ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... ) and greater maximum ages (28–37 years compared with 14 years). Several pieces of circumstantial evidence ... 1 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 3 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 2 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 N = 96 Reader 1, reading 1 (years) 0 10 20 30 40 R ea de r 1 , r ea di ng 2 (y ea rs ) ( m ea ... bands, growth curves have been generated that suggest Estimated age (years) 0 10 20 30 40 P el vi ... because it fits the data better, and because reader 2 underestimated Estimated age (years) 0 10 20 30 ... generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with 6–11 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher

4. A hybrid approach to acoustic classification and length estimation of krill

   strength in situ, an acoustic resolution volume must be based on a single animal measurement. For small ... school- ing organisms, such as euphausiids, this criterion is seldom met. Therefore, in the Ross Sea ... and their equivalent radius can be estimated confi dently in the interval (amin – amax) where 100|δ| < 20 ... to 38 kHz is highly ‘tuned’ (error < 20%) to measur- ing sizes within the class from a = 1.6 to 6.0 mm ... the acoustic estimates of species and sizes to net samples collected during three surveys conducted in ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani

5. Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea

   ± SD. 70 60 50 40 30 20 10 0 % c om po si tio n ANS BEA ICX ... Crocodile icefish 0 0 25 3 28 OCT Octopodidae Octopus 10 0 20 0 30 SZT Pogonophryne scotti Plunderfish 25 ... :0 3. 0 1. 9 ± 0. 6 2. 9 ± 0. 4 1. 8 1. 4 ± 0. 3 3. 0 3. 0 ± 0. 3 2. 4 ± 0. 6 2. 8 ± 0. 8 3. 0 ± 0. 7 C 18 :1 n9 c 20 .2 19 .5 ± 6 .4 21 .7 ± 0 .3 14 .1 30 .1 ± 2 .8 15 .2 14 ... Science, Vol. 20 (2013): 21–36 21 FATTY ACID AND STABLE ISOTOPE ANALYSES TO INFER DIET OF ANTARCTIC ... in the southern Ross Sea Abstract / Description:  To infer important prey resources for Antarctic ... toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid composition was determined and ... compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... toothfish in February 2012. Results of fatty acid (FA) and stable isotope analyses from this study provide ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Author(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang

6. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   for differences in the extent of identification of early larval stages. Likewise, the time of year, depth ... <30% of primary production. This emphasises the dominant role of microbial food chains involving ... , the time of year, depth of sampling and mesh size of sampler greatly influence the recorded abundance ... in the SO, since mesozooplankton typically remove <30% of primary production. This emphasises ... of those above. A change in the view of SO copepods in the last 20 years has followed an increase ... of early larval stages. Likewise, the time of year, depth of sampling and mesh size of sampler greatly ... /micrometazoa (<200 μm) are the main grazers in the SO, since mesozooplankton typically remove <30% of primary ... and birds. Atkinson et al. 172 Introduction During the 80-year history of active research on Southern ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Author(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

7. Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994

   -seven line sets were observed and 98 deaths of seabirds were recorded over 20 sets; no deaths occurred ... to albatrosses. The average mortality rate for the 20 sets was 0.48 birds/1 000 hooks and maximum mortality 3.12 ... were recorded over 20 sets; no deaths occurred during hauls. The 16 sets made at night contributed 15 ... population at South Georgia when compared to albatrosses. The average mortality rate for the 20 sets was 0.48 ... , and the number of birds of each species in the vicinity of the ship was recorded every 30 minutes. Of the 20 ... 04.43 06.20 19.40 04.30 05.53 03.49 05.25 06.50 18.05 I set 7; streamer B used in 02.05 03.42 05.05 ... 18.30 06.35 4 Incl. 2 GHA, 1 BBA, l GP 14.44 16.31 16.26 18.08 09.30 11.25 20.47 22.28 21.55 23.27 ... . These occurred in aggregations of 20 to 30 birds, flying in and diving at the line within 30 m of the stern ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

8. A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean

   in the Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... survey was conducted in the Southern Atlantic along two meridional transects at 17° and 20° ... ;W in the latitudes from 37°30' to 55°30'S. The survey was mainly focussed on studies of distribution ... Ha I-i aHTapKTl-illeCKaSI 30Ha. BbIJI BbInOJIHeH aHaJIl-i3 pa3MepHOro I-i nOJIOBOrO COCTaBa I-i CTa,l(l-iti ... transects at 17° and 200W in the latitudes from 37°30' to 55°30'S. The survey was mainly focussed ... , entre les latitudes de 37°30' et 55°30'S. La campagne d'etude etait principalement axee sur un examen ... ) B MapTe - anpeJIe 1990 r. B IO)I{HOM ceKTope ATJIaHTl-iKI-i 6bIJIa BbInOJIHeHa KOMnJIeKCHaSI CbeMKa ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Author(s): Zemsky, A.V. and S.A. Zozulya

9. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   recruitment year due to krill spawned in 1994/95. File:  06watkins.pdf ... in the population increased with a very successful recruitment year due to krill spawned in 1994/95. ... . Cruises Year-class Boundaries (mm) 1 + 2+ 3+ 4+ 5+ JB10 - JR17 JR28 All cruises 25-30 33-40 41-48 ... as the proportion of l + animals in the total population in the year after spawning, R2 as the pro ortion ... of 2+ animals in 2+ an$ older in the seconR°F2?%% spawning. Cruise I Cruise Year I R1 SE Table 7: Absolute ... recruitment year due to krill spawned in 1994/95. Resume Description d'un indice composite de recrutement ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L

10. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

    ), and in March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... and southwest of the island. Together these surveys provided temporally and spatially extensive coverage around ... with observations from previous years, krill density in the western box in the mid-season survey was less than ... (mid-season), and in March 2001 (late-season). The surveys were the first in a newly planned five-year ... planned fi ve-year series of observations designed to complement and extend an existing time series ... , examined boxes to the north, northeast and southwest of the island. Together these surveys provided ... g m-2). In a pattern that is consistent with observations from previous years, krill density in the western box ... series of surveys was planned for the fi ve years 2000/01 to 2004/05. Surveys in previous years have ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

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