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1. Management and assessment options for the crab fishery around South Georgia

   animals. The size at which moulting occurs less than once a year can often be simply estimated and gives ... , COBMeCTPiMOM C paCmtipeHl.leM H~eIQqeficR An2 04eHKH H H ~ O ~ M ~ Q U O H H O W 6a3b1. Resumen En 1992 ... fishery in Subarea 48.3 with specific reference to Article I1 of the CCAMLR Convention. In the final ... part of the stock. The target for the Alaskan king crab is between 20 and 60% depending on whether ... for a conservative approach to management. Such an approach includes the use of catch/effort controls ... Paper Title:  Management and assessment options for the crab fishery around South Georgia Abstract ... / Description:  A new fishery for the lithodid crab, Paralomis spinosissima, started in Subarea 48.3 in 1992 ... . The fishery is also new to CCAMLR, both in terms of the species and fishing gear. We provide an ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth

2. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   annually in otoliths of juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5 and 3.5 years were ... . Mean fish lengths at ages 0.5, 1.5, 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total ... the Ross Sea (CCAMLR Subarea 88.1) have been aged assuming that one translucent zone is formed annually ... for determining the age of this species. In addition, sagittal otoliths were examined from D. mawsoni that had ... to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the points from ... . Mean fi sh lengths at ages 0.5, 1.5, 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total ... ) and capture (March). Hence, true age was assumed to be x + 0.5 years, where x is the number of translucent ... D. mawsoni were estimated to be aged between 0+ and 3+ years. A length-frequency distribution of the aged ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries

3. Chilean krill fishery: analysis of the 1991 season

   season .,.-I 100 co ...r 90 ctl Q) "- 80 ctl .0 ::J 70 Cl) 60 E 0 '-....... 50 .c () 40 ... ro () 30 ....... 0 Q) 20 O'l ctl -10 c Q) Q 0 "-Q) (L 1977 1979 1981 1983 1985 1987 1989 ... .. --,-----, .. ---'-----------;'t;--'---"??--------"'" ;§ l Year average = 108 J 40 -+-----, 1 5 10 15 20 25 Fishing day (Starting 20/02/91) Figure 2: Total ... encircled. 281 Chilean Krill Fishery Analysis of 199 'I season 90 ~·_~w __ 80 ... paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Author(s): Marín, V.H., A. Mujica and P. Eberhard

4. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   /2000 and 2000/01. Each year fully covered the period 1 October to 30 September, thus including one ... /2000 and 2000/01. Each year fully covered the period 1 October to 30 September, thus including one ... have been at least one encounter with an FPV in a year; no encounters in a year are interpreted as zero ... of fish catch rate was calculated for each area and each year using reported catch and effort data ... , May 2000). Four of them involved Argentine-fl agged vessels (Crystal Marino in December 1999 ... . Each year fully covered the period 1 October to 30 September, thus including one summer and one winter ... or S A rg os H el en a 26 -F eb -9 7 20 -A ug -9 7 9 30 3. 49 91 .9 1 14 2 1. 54 ... 5 9 S C is ne V er de 20 -M ar -9 7 30 -M ay -9 7 6 99 .8 4 10 .2 44 4 0. 39 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood

5. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   with previously published interannual series of acoustic density estimates from scientific surveys. To refine ... with previously published interannual series of acoustic density estimates from scientific surveys. To refine ... seasons. (Data source: NRIFSF, 2005). 0 10 20 30 40 50 60 70 19 80 /8 1 19 81 /8 2 19 82 ... years. Pre- dictions of CPT and CPD showed similar patterns with low values in the 1982/83, 1989/90 ... o f t ot al Residuals P er ce nt o f t ot al 0 5 10 15 20 25 30 -150 -100 -50 0 50 100 150 ... Log10CPT 0 10 20 30 40 -1.5 -1.0 -0.5 0.0 0.5 1.0 -4 -2 0 2 4 -1.5 -1.0 -0.5 0.0 0.5 1.0 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

6. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   was estimated to be –0.6 years and residual variance 2.9. Age distributions of toothfish caught by two vessels ... to measure precision; relative bias for the age data was estimated to be –0.6 years and residual ... Paper Title:  Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught ... off Kerguelen Abstract / Description:  Ages of Patagonian toothfish (Dissostichus eleginoides) caught ... Estimated age (years) 0 10 20 30 40 50 T ot al le ng th ( cm ) 0 20 40 60 80 100 120 140 ... a ge ( ye ar s) 0 10 20 30 40 50 Reference age (years) 0 10 20 30 40 50 E st im at ed ... a South Georgia reference collection, compared to reference ages. 0 10 20 30 40 50 E st im at ed ... a ge ( ye ar s) 0 10 20 30 40 50 (a) (b) Ashford et al. 38 Figure 2: Age structure ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Author(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

7. By-catch of fish in the krill fishery

   of Frolkina, we suggest that our class (iv) is probably age two or three, our size classes (ii) and (iii ... ) are age 1 and our size class (i) is age O. C. gunnari occurred frequently in the catches of Subarea 48.3 ... in the southwest Atlantic. Antarctic Science, Vol. 3. FROLKINA, ZH.A. 1989. Methods of age determination ... -119 51.2 5.69 (iv) 12 194-226 581 48.42 Size-at-age from Frolkina (1989) and Frolkina ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Author(s): Everson, I., A. Neyelov and Y.B. Permitin

8. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   abundance of spawners-at-age during each winter spawning period. Only once have spawners been observed ... to be related to the maturation stage of each current cohort and the relative abundance of spawners-at-age ... of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock of Champsocephalus ... enabled a new cohort of fish to be identified each year. However, annual variations in abundance have been ... catches at age four to five years. A cohort is therefore only available to the fishery for a short ... and the relative abundance of spawners-at-age during each winter spawning period. Only once have spawners been ... and the relative abundance of spawners-at-age during C. gunnari on the Kerguelen Shelf each winter period ... and could thus be the cause of this cycle. The abundance-at-age of the 1988 cohort is therefore lower than ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G

9. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   males (aged ≥7 years) per adult female and μM and μF are the male and female mortality rates ... to the adult popula- tion at the age of fi rst breeding. The models are similar in their treatment of krill ... to be annual rather than seasonal. Lifetime aver- aged annual rates (indicated by the symbol μ) were divided ... ). The demand of adults for- aging to feed their offspring is included, but the demand of independently feeding ... Paper Title:  A compilation of parameters for ecosystem dynamics models of the Scotia Sea ... assessment of methods for subdividing the precautionary catch limit amongst smaller spatial units. This paper ... compiles parameters for use in the ecosystem dynamic models that are needed to assess these methods. These ... parameters include life history and krill consumption parameters for the fish, whale, penguin and seal ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Author(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

10. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

    on D. eleginoides fisheries at the Crozet Islands 0 10 20 30 40 50 60 70 80 90 100 2003/04 2004/05 2005 ... between 2003 and 2008. 0 10 20 30 40 50 60 70 80 A B C D E F G Fishing vessel In te ra ct io ... is described under ‘Methods’. Tixier et al. 188 –10 –5 0 5 10 15 20 25 30 2003/04 2004/05 2005/06 ... in interaction levels between vessels; and (iv) to pro- vide advice to optimise the current strategy of leav- ing ... Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible ... whales were found to be responsible for the largest part of this loss (>75%), while sperm whales had a ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Author(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

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