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1. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... 50 60 70 80 W in d s p e e d ( k n o ts ) number chicks dead max wind speed 2000/01 0 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

2. Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia

   the given harvest control rule to set a two-year total allowable catch (TAC). One issue is the ... model (GYM) packages, which derives population numbers-at-age and projects these numbers forward under ... accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... population numbers-at-length. A comparison of this method and the existing age-based CMIX/GYM methodology ... population forward for two years under a fixed harvest rate. The target harvest rate is that which ensures ... that the exploited biomass is equal to 75% of the unexploited biomass (after two years). From this ... Length (cm) 10 20 30 40 50 60 Figure 1 ... - aggregated (right). 2009 survey Length (cm) D en si ty 10 20 30 40 50 10 20 30 40 5010 20 30 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Autor(es): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew

3. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   spinosissima, which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One of ... , incorporating two scenarios for the stock-recruit relationship of the host: (i) resilience; and (ii) sensitivity ... captures the main characteristics of the system. An age-based host-parasite model is constructed ... - recruit relationship was used. 0 20 40 60 80 100 120 Time (years) Figure 8: Prevalence and spawning ... animals only. The sensitive stock- recruit relationship was used. 0 20 40 60 80 100 120 Time (years ... proportionality. There is also an implicit assumption that each infected animal carries only one parasite. This ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Autor(es): Basson, M

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

   , since mesozooplankton typically remove <30% of primary production. This emphasises the dominant role ... for differences in the extent of identification of early larval stages. Likewise, the time of year ... one-half of those above. A change in the view of SO copepods in the last 20 years has followed an ... euphausiids are long-lived, with E. superba having a life span of 5–7 years (Siegel, 1987). Two years has ... at Kergue- len (Labat et al., 2002) and one to two (Watts and Tarling, 2012) at South Georgia ... factors because polar zoo- plankton are not comparable to ‘global’ zooplankton 0 20 40 60 80 100 0 ...

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

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

   evidence that a combination of these two techniques can delineate the main prey items of Antarctic ... 65 °S 70 °S 75 °S 80 °S 16 0°E 180° 160°W 140°W 120°W Figure 2: Stratum boundaries and ... . 80 60 40 20 0 % c om po si tio n A B C D A ... ) and 120–135 cm (D). Values are mean ± SD. 70 60 50 40 30 20 10 0 % c om po si tio n ... OCT Octopodidae Octopus 10 0 20 0 30 SZT Pogonophryne scotti Plunderfish 25 0 0 3 28 PRA Pasiphaea ...

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

6. Factors to consider in developing management measures for krill

   year to year. The various techniques used to estimate the abundance of animal populations also give ... WG-KRILL-90/14 FACTORS TO CONSIDER IN DEVELOPING ... conservation objectives of the Convention are being met. 2. OBJECTIVES OF CCAMLR 176 The general ... objectives of CCAMLR are given in Article IT of the Convention as follows: "1. The objective of this ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Autor(es): de la Mare, W.K.

7. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... otoliths of the two species was sought. Based on 220 M. whitsoni and 307 M. caml otoliths, a linear ... excellent discrimination between the two species (92% success). A method was also developed to discriminate ... identified 90% of otoliths to species and could be applied to otoliths removed from toothfish stomachs to ... 80 60 40 20 0 10 20 30 40 50 60 70 Age (years ... 80 60 40 20 30 40 50 60 70 80 90 TL (cm ... and one specimen was aged at 62 years (Pinkerton et al., 2013). For cases where neither TL nor PAL ... 100 0 30 40 50 60 70 80 90 (c) TL (cm) R ou ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

8. Telemetry monitoring of ecological resources

   transmitters weighing approximately two kg and lasting about one year are routinely being deployed on ... system developed at the University of Minnesota in the mid-1960s 20 • It used two mechanically rotating ... 21 A 30 BACK-UP SERVICE, PTI rp<60 s (per PIT and per day) '. A31 surcharge for more than 6 lac ... PROCESSING, 45 DAYS D 20 PIT HIRE, INCLUDING A 1 0 SERVICE, 90 DAYS D 21 PIT HIRE, WITHOUT PROCESSING, 90 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 495-511 : Autor(es): Kuechle, V.B.

9. Some thoughts on precautionary measures for the krill fishery

   the potential yield model developed by the CCAMLR Scientific Committee&#039;s Working Group on Krill ... /81 season, over a decade ago, which means that with a lifespan of five to seven years, at least two ... spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75% of ... leaving A is given by: However, the total number of krill leaving A in one year is also equal to @' . If ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Autor(es): Everson, I. and W.K. de la Mare

10. 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 ... albatrosses. The average mortality rate for the 20 sets was 0.48 birds/1 000 hooks and maximum mortality 3.12 ... curved point (Figure 1); these hooks were laid as either one or two continuous series on each line ... each species in the vicinity of the ship was recorded every 30 minutes. Of the 20 sets for which ... least one observer. Every two hours, estimates were made of the total number of birds of each species ... Georgia (sets 5 to 15) during night-time setting. These occurred in aggregations of 20 to 30 birds ...

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

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