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1. 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 ...

   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

2. 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

3. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   1 and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm whales have ... to 20%. Sperm whales have been more frequently encountered in recent years, occurring in larger pod ... on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod sizes normally of 4 to 10 animals ... been more frequently encountered in recent years, occurring in larger pod sizes, whereas killer whale ... of animals. This was undertaken for each of the years 2003 to 2009; the proportionate decline in CPUE ... 9 4 67 1 4 67 1 20 05 3. 4% 5. 1% 8. 1% 3 05 7 3 16 0 3 21 3 3 30 3 20 ... 1 4. 8 20 .3 0. 31 0. 48 20 06 30 56 1 23 9 36 3 67 0 1 09 6 5. 1 23 ... .3 0. 40 0. 65 20 07 14 68 1 62 6 26 1 75 5 58 2 4. 2 14 .0 0. 38 0. 30 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew

4. 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 ... CCAMLR Science, Vol. 5 (1998): 9-30 ANALYSIS OF HAUL ... . The range of measurements describing the fishery indicates that differences existed between years ... restreint. L'intervalle de valeurs decrivant la pccherie met en evidence des differences entre les annees ... indices. Fishing vessels operate for several months of the year and move around according to the local ...

   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

5. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   below 20% of its pre-fishing median level over a twenty-year period, called the ‘threshold ... ). When natural mortality was held con- stant at 0.8 but CVs of 10%, 20% and 30% were added ... an order of magni- tude from 1992 to 2010 (Kinzey et al., 2011), so a high-abundance year with 20 ... on P ro po rti on P ro po rti on P ro po rti on P ro po rti on 20 30 40 ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss

6. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   Sea Region incorporating multi-year mark-recapture data Abstract / Description:  An exploratory ... , and hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... was developed for Antarctic toothfish in the Ross Sea region that incorporates multi-year release of tagged fish ... and subsequent multi-year data of recapture of tagged fish in conjunction with fishery catch-at-age data ... . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year. In the Ross ... selectivity 10 20 30 40 50 Age Age Age Age Age Age 10 ... 20 30 40 50 10 20 30 40 ... 50 10 20 30 40 50 10 20 30 ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Author(s): Mormede, S., A. Dunn and S.M. Hanchet

7. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   0.6 0.8 1.0 Fr ac tio n of m ax im um c ou nt 0 5 10 15 20 25 30 Days since maximum count ... 0 5 10 15 20 25 30 Days since maximum count 0 5 10 15 20 25 30 Days since maximum count Adelie gentoo ... Days since maximum count 0 5 10 15 20 25 30 0 5 10 ... 15 20 25 30 0 5 10 15 20 25 30 gentooAdélie ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

8. Using ecosystem monitoring data to detect impacts

   years of its onset, but a fixed reference point method could have provided this sustained indication ... the early 1990s within a few years of its onset, but a fixed reference point method could have provided ... specified in the subheading, or a ‘trend’, a linear change to these parameters over the 20-year simulation ... (Arctocephalus gazella) pup production at South Georgia from the early 1990s within a few years of its onset ... or explicit focus of conservation objectives for animal populations. Furthermore, the state of indicator ... are being met. However, this requires a clear link between the conservation objectives and the state being ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Author(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

9. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   established. Data from the CCAMLR Convention Area suggest that M. hyadesi may live for two years, but this may ... that M. hyadesi may live for two years, but this may vary. In common with other ommastrephids, the species ... Convention Area suggest that M. hyadesi may live for two years, but this may vary. In coinmon with other ... n v g e ~ z t i n u s in the southwest Atlantic have diminished and world demand for ommastrephid squid has increased in recent years ... in Japan in that year (Rodhouse, 1991). In February 1989 two Japanese squid jiggers carried out ... mature in samples taken later in the year; ranging from stage I1 (Lipinski, 1979) at the APFZ ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Author(s): Rodhouse, P.G

10. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

    simulation of releases by box over multiple years. The model performed as expected with test situations ... years. The model performed as expected with test situations. It produced a near-perfect estimate ... of toothfish typically move only 20–30 km each year (Marlow et al., 2003). This paper investigates ... . 50 20 03 20 04 Release positions for animals tagged in that year 40 W 43 ... for animals tagged in that year Fishing effort (graduated by number of hooks) Position of recaputre ... to estimate movement rates, measured as km/year. The available data comprised animals that had been ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

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