Résultats de la recherche

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

   ), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... pre-exploitation level ( P ) 1992). over a 20-year harvesting period. The resul t s which they ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

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

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

   Medicina Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla ... the southernmost breeding populations of A. gazelln, with a current population size of 20 139 ... antibodies in A.rcfoceplzalus gazella. * - dead animal; RB - Rose Bengal test; COMPELISAB - Competitive ... ranging from 30% I to 100% I were considered positives; and Competitive Enzymoimmunoassay 'COMPE ...

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

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

   , living to at least 50 years. Females grow at a faster rate, and reach a larger size, than males, but both ... be from 12 to 14 years. File:  03marriott-etal.pdf ... 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ... . holotrachys Species identifi cation and age estimation for M. whitsoni 44 Marriott et al. 0 10 20 30 ... linear regressions. Males y = 0.3287x + 0.511 R2 = 0.865 n = 552 0 10 20 30 40 0 20 40 60 80 100 ... ) Females y = 0.3917x - 1.9855 R2 = 0.923 n = 900 0 10 20 30 40 0 20 40 60 80 100 Total length (cm ...

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

4. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   South Orkneys Abstract / Description:  A set of concentric zones of 20 km width was defined around ... in all years 1988 to 1991. In 1987, 1988 and 1991, 75% of the catch in Subarea 48.2 between December ... , foraging ranges and population sizes from the literature are used to show that for some years catches ... / '-".I i \,\\1 V £20..J ,Jl) /' 500 tr ( '10 ~O ·w '30 llw" , I ~ t;J , G3 -L/ ( If 1 ... for Subareas 48.1 and 48.2. 100 90 80 .c. 70 J:! tfJ 0 () 50 -0 40 a-e 30 20 10 ... - - - 1989 () 50 '0 • ,- 40 I / ~ I _J -. - - 1990 30 . . I tI --20 tI /' 1991 tI /' /' la ... was similar for each of the years examined whereas that for Subarea 48.2 changed each year (Figures 3 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Auteur(s): Agnew, D.J.

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

   . Sustainable exploitation rates should have been 20-30% of that based on age determinations from scales, in ... use of otoliths and scales in estimating tootlifish age 0 10 20 30 40 50 10 20 30 40 50 Reader l ... as year 0. The birthday of all fish was taken to be 1 July, so that the outer annulus was counted ... as one year if the fish was taken after 1 July but not before. Scales Typically, annuli on ...

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

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

   40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ... . holotrachys Species identifi cation and age estimation for M. whitsoni 44 Marriott et al. 0 10 20 30 ... linear regressions. Males y = 0.3287x + 0.511 R2 = 0.865 n = 552 0 10 20 30 40 0 20 40 60 80 100 ... ) Females y = 0.3917x - 1.9855 R2 = 0.923 n = 900 0 10 20 30 40 0 20 40 60 80 100 Total length (cm ...

   Science Journal Paper : 37–51

7. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... the Sodruzhestva and Kosmonavtov Seas over many years by the YugNIRO institute. Data obtained from ... 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes (Lubimova ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... de tonnes, dont 30 a 32 sont consommees par des poissons (Lubimova and Shust, 1980; Shust, 1987 ... echelle de profondeur de 100 it 500 metres dans les eaux situees entre 30 et 800E. La consommation de ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

8. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   features of special relevance to the CEMP. File:  30-Croxall-and-Williams.pdf ... years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... ). Only in one year (1985) did the proportion of E. superba fall below 65%. During the winters of 1987 ... species is resident, these populations are likely to consume significant quantities of krill each year ... Biology Gentoo penguins have been quite extensively studied. The major (multi-year) studies of general ... (Wilson, 1983). The sections above on diet and general biology indicate that multi-year data are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Auteur(s): Croxall, J.P. and T.D. Williams

9. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   c: cD 10 :::J ~ c- · . cD 20 · . .... 5 · n'l u.. '.' '.' 0 .. 0 i I I I I I 30 60 ... and 30 mm correspond approximately to ages 3+ and 1 + years respectively. The 49 mm length mode is ... absentes des zones neritique et cotiere. Ceci met en evidence l'importance potentielle des ... 1991 (Figure 1). Transects ran in an offshore-inshore direction with 20 n miles between the transects ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

10. Quantifying movement behaviour of vessels in the Antarctic krill fishery

    analyses demonstrate the need for high-quality year-round data on all vessels participating in the krill ... / Description:  Ten years of recent fine-scale haul-by-haul krill data were used to characterise the behaviour ... markedly over the last 20 years (Kawaguchi and Nicol, 2007). Models of the interactions between the ... high-quality year-round data on all vessels participating in the krill fishery to assist in ... of each haul, assuming 60 n miles for one degree latitude and 30 n miles for one degree longi- tude ... . The range of area considered in this paper was between 50°S–70°S and 70°W–30°W. Catch rates (Cn/tn ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy

Pages