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1. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   of the biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons ... for a 20-year period. Three possible fishing seasons are considered. The model extensions requested ... is set as the catch for a 20-year period. Three possible fishing seasons are considered. The model ... D,,,, = 0.2 of its median pre-exploitation level ( P ) 1992). over a 20-year harvesting period. The resul ... at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations revealed very ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

2. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   years. This is very close to the maximum age of 22.8 years calculated from Taylor's formulae which ... . The maximum age of D. eleginoides was found to be 24 years. This is very close to the maximum age of 22.8 ... years calculated from Taylor's formulae which relates maximum observed age to natural mortality ... 640.58 10 317.30 10 461.83 9 326.20 Scales and otoliths from the same individual of D. eleginoides ... L, = 207.01 cm, K = +0.0748 and to = -0.2898. The maximum age of D. eleginoides was found to be 24 years ... . This is very close to the maximum age of 22.8 years calculated from Taylor's formulae which relates maximum ... total length (TL) (9-10 years) in most fish, although a few mature males smaller than 80 cm TL (Gon ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C

3. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   from 77 live animals and nine from dead animals. Body fluid samples (blood, pleural fluid or pericardic ... A. gazella body fluid samples were collected from 77 live animals and nine from dead animals. Body fluid ... Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla 2-Correo 15 ... from 77 live animals and nine from dead animals. Body fluid samples (blood, pleural fluid ... ejemplares vivos de A. gnzella y 9 muestras de animales muertos. Las muestras de fluidos corporales ... is an infectious disease that mainly affects the reproductive system of animals, causing abortion and sterility ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Author(s): Blank, O., P. Retamal, P. Abalos and D. Torres

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 ... 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 ... (C(N,2) = binomial coeffi cient). These estimates can be com- bined and estimation of the mean animal size ...

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

5. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   hypothesis with data series of up to 20 and 30 years. In both forms, the index is drawn from a random ... Program, two lengths of time were investigated: 10 and 20 years. The correlation matrix was estimated ... of years in which parameters were measured but to the total length of the time series (20 years ... of the total length was better than 0.25). However, the increase from 10- to 20-year time series resulted ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Author(s): de la Mare, W.K. and A.J. Constable

6. 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

7. A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   December to May for all years and all vessels. Month G S I ( % ) 0 5 10 15 20 25 Dec Jan Feb ... (Patchell, 2005). Over the past 10 years considerable amounts of data have been gathered from D. mawsoni ... for D. mawsoni. Yukhov (1982) drew together unpublished and published material on D. mawsoni from the Ross Sea ... year) throughout their life cycle. Eastman and De Vries (2000) summarised Yukhov’s research ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams

8. Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   to at least 50 years. Females grow at a faster rate, and reach a larger size, than males, but both sexes ... years. File:  03marriott-etal.pdf ... to be a slowgrowing and long-lived species, living to at least 50 years. Females grow at a faster rate, and reach ... are sexually mature was estimated to be from 12 to 14 years. ... 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 ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan

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

   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 ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ...

   Science Journal Paper : 37–51

10. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

    and a much less productive fishery. Sustainable exploitation rates should have been 20-30% of that based ... the use of otoliths and scales in estimating tootlifish age 0 10 20 30 40 50 10 20 30 40 50 Reader ... in the commercial fishery were between 3 and 8 years. However, a validated age method using otoliths demonstrated ... that fish in the commercial fishery in fact ranged between 4 and 40 years, indicating slower growth ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

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