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1. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... at liberty from one to two years. Four fish were tagged and recaptured from the same longline vessel in 2002 ... tags have been recovered from a high seas area on the Patagonian Shelf at 42°S after about one year ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... and released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic tagging carried out ... and 2001 by one Uruguayan and two UK ves- sels. While catch rates were not high enough for fi shing ... fi shing vessels by other observers in this year (Figure 1). One vessel that left the South ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

2. 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 ... , one fish tagged by the fishery having moved from the RSR to the ASR, and two from the ASR to the RSR ... selectivity 10 20 30 40 50 Age Age Age Age Age Age 10 ... 20 30 40 50 10 20 30 40 ...

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

3. Modelling and decision making as part of the CCAMLR management regime

   of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time horizons, time ... Article II. Eight attributes (purpose, description, variables, driving forces, time horizons, time steps ... steps of one year being adequate, or less than one year if seasonal influences need to be considered ... catch-effort model One predator, two prey model Fishery dynamics model Linear optimisation ... management of the Antarctic marine ecosystem within the requirements of CCAMLR Article 11. Eight attributes ... conformement aux conditions de 1 'Article II de la CCAMLR. Huit attributs ont ete identifies ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.

4. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   . Vessel Starting date Ending date One 30 44 Two 60 74 Three 90 104 Four 120 134 Five 150 164 Six ... and incidental mor- tality which can be attributed to illegal fi shing. Illegal fi shing is one component of IUU ... this document. In the simplest case one would like to determine how to scale the number of observations ... which is not observed. For one defi nition of detun ectedf it could be incorporated ... Paper Title:  An alternative method for estimating the level of illegal fishing using simulated ... scaling methods on detected effort Abstract / Description:  A new method for estimating illegal fishing ... the number of detections for a given level of illegal fishing, the more often the illegal fishers will ... estimated amount of fishing for a given number of illegal cruises. As the number of illegal cruises ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I

5. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   to adjust one-off population counts for availability bias Abstract / Description:  New methods are presented ... , throughout the breeding season and standardisation of the time series to a reference point one week after ... by adjusting a one-off count using availability adjustment factors will not account for penguins that left ... Improving estimates of Adélie penguin breeding population size: developing factors to adjust one ... specifies that chick counts be undertaken ‘on the same day each year…when about two-thirds of chicks have ... 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 ... 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 Camera 3 A O N es t A va ila bi lit y A dj us tm en t F ac to r 16 ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 10 20 30 40 50 60 C ou nt ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

6. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults

   chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi) over 22 years ... , there was no significant correlation in mass on arrival between the two species. It is likely that at Marion Island ... at study colonies of macaroni penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern ... rockhopper (E. chrysocome filholi) over 22 years, suggesting that overwintering conditions may influence ... breed at Marion Island (46.9°S 37.9°E), one of two islands in the sub-Antarctic Prince Edward Islands ... was usually intermediate between levels recorded at the other two colonies. Over the 26-year period ... colonies. Over the 20-year period, it averaged 0.49 ± 0.13 chicks/ pair at Trypot Hole, 0.41 ± 0.21 at Van ... and 4.20 kg, 2.30 and 4.30 kg, and 0.40 and 3.0 kg respectively. From 1994/95–2003/04, the average mass ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Author(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill

7. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   conducted two research cruises using the vessels RV Hill Cove and RV Akademik Knipovich to study the status ... by Akademik Knipovich had three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra ... samples (n =140) were used in age determination. Age groups from 1+ to 9+ were present in catches. Two ... peaks in size composition correspond with fish of the 1987 and 1985/86 year classes. The first small ... 1). As in previous studies (Kochkin, 1985), each fourth line was taken to be an indicator of one year's growth ... * * Abstract In January/February 1990 the UK and the USSR conducted two research cruises using the vessels ... three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra samples (n=140 ... ) were used in age determination. Age groups from 1 + to 9+ were present in catches. Two peaks in size ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Author(s): Kochkin, P.N.

8. Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003

   petrels is explained by the time of year, geographical area and type of longliner (manual versus automatic ... of the mortality of white-chinned petrels and grey petrels is explained by the time of year, geographical area ... of one, two or three streamer lines attached at the stern. Details on the design of the streamer line ... 3). The spread of fi shing effort extended consider- ably in the Kerguelen area during the two years whereas ... two periods (Figure 1): from October to November (in 2001/02, 17.2% of mortality for 20 ... 3) irrespec- tive of year, followed by grey petrels, giant petrels and two species of albatrosses (grey ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Author(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol

9. [node:field-journal-volume]:37-51

   opaque and one hyaline zone represent one year’s growth in the otolith. A read- ability value ... for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... 20 30 40 0 20 40 60 80 100 Total length (cm) S no ut –v en t l en gt h (c m ) Males ... g 1 0 to ta l l en gt h (c m ) Females y = 0.3917x - 1.9855 R2 = 0.923 n = 900 0 10 20 30 40 0 20 ...

   Science Journal Paper : 37–51

10. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

    ‘Net sleeve’ Ø~2–3 cm Ø~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ... why the Chilean fishery authorities began to implement the NPOA- Seabirds. Two years after ... side of the hauling bay of vessels and changes in the fishing season to the time of year in which ... in the line. During the last five years in the Chilean long- line fishery for toothfish, strong positive ... artisanal trotline fishery for Patagonian toothfish (Dissostichus eleginoides) in Chile is described. The ... modified artisanal system, which includes a net sleeve that is placed on secondary vertical lines, has ... sperm and killer whales on fish catch rate was assessed during September–December 2006. The results were ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

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