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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Figure 4. The resultant functions m(a+f), f(a,t) and s(a,t) are shown in Figure 5. Three fishing ... specifient unelimite relative 5 la probabilite que la biomasse du stock reproducteur soit epuisee au-del2 ... Butterworth et al. (1994) where: 0 ; h(a + t) < l, - I,) ; l, < h(a, t) < l, ; h(a,t) > 1, (4 ... taken over one year is calculated by simultaneous numerical integration of equations 1, 5 and 6 using ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Autor(es): Constable, A. and W.K. de la Mare
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
-class boundaries used in LSMIX and MLMIX analyses. Cruises Year-class Boundaries (mm) 1 + 2+ 3+ 4+ 5 ... (1996197) JR28 (1997198) Mean Sizes (mm) * SD 14 2+ 3+ 4+ 5+ 28.1 + 3.02 36.9 + 3.02 46.9 i- 3.02 ... Cruise Year Year Class 2+ 3+ 4+ 5+ I Relative Recruitment Index R1 R2 Antarctic krill recruitment ... . Ecol. Prog. Ser. Liste des tableaux Tableau 1: Tableau 2: Tableau 3: Tableau 4: Tableau 5 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
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Fishery Report 2017: Dissostichus mawsoni (Subarea 88.3)
provided in Figure 2 and Table 4 respectively. 5 Figure 2: Location of research blocks in ... ) fishing activities in Subarea 88.3 between 2006 and 2017. Tag releases and recaptures 4. A total of ... 2016 470 0 2017 597 0 Length-frequency distributions of catches 5. The length-frequency ... number of fish measured (n) in each year are provided. 4 10. As well as providing these key ...
Document : Site Section: Publications
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Fishery Report 2018: Dissostichus mawsoni (Subarea 88.3)
Subarea 88.3 between 2006 and 2018. Tag releases and recaptures 4. A total of 1 401 D. mawsoni have ... 2016 470 0 2017 597 0 2018 203 0 Length-frequency distributions of catches 5. The length ... in the fishable habitat (iii) assess biomass of Dissostichus spp. 4 Figure 2: Annual ... provided. 5 10. As well as providing these key data on the toothfish stock in Subarea 88.3, the ...
Document : Site Section: Publications
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
distribution of aged fi sh from the South Shetland Islands survey sample by year class. 0 1 2 3 4 5 6 ... baked whole in an oven at 280°C for about 5 minutes until they were a light amber colour. The ... estimated age is linear and intercepts the axes close to the origin (Figure 4). There is no overlap ... , calculated from the raw data used to create Figure 1, was plotted against age on the growth curve (Figure 5 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
Notes No. 7, reprinted May 1985). 700S " / w (Xl (Xl - 389 - 5 6 Study Colony Figure 4 ... surveyed in random order so as to minimise bias, e.g. 9+10, 5+6, 1+2, 3+4, 7+8. Tableau 1 Figure 1 ... hasard afin de minimiser tout biais, par ex. 9+10, 5+6, 1+2, 3+4, 7+8. Encabezamientos de las Tablas ... secciones transversales en orden aleatorio a fin de minimizar el sesgo, por ejemplo 9+10, 5+6, 1+2, 3+4, 7 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Autor(es): Everson, I.
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By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)
tonne of krill sampled. - L 2 0 5 . V) 3 5 U'.. .z 0 V) 0 V ) . 5 * 0 4;' v C - -1.5 ... : Tabla 2: Tabla 3: Figura 1: Figura 2: Figura 3: Figura 4: Figura 5: Figura 6 ... contenant des poissons etait nettement plus klevee pour le Chiyo Maru W' 2 que pour les autres chalutiers 5 ... 2 to 5. From a visual inspection, it appears that the distribution of the non-zero by-catch ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Autor(es): Watters, G
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
(TS) and krilllength. 175 Tableau 1: Tableau 2: Tableau 3: Tableau 4: Tableau 5 ... .\a 1: Ta6Juu\a 2: Ta6JIJ.·u~a 3: Ta6JIHl.\a 4: Ta6JIHl.\a 5: Ta6JIHl.\a 6: PHCYHOK 1 ... recalculated (see Table 5 and the discussion below). In accordance with the procedure outlined in Anon ... 4 in Appendix II of this paper (Anon., 1986 - equation 4). As described above, the Central ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Autor(es): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)
4), ainsi que les distributions de frequences de longueurs observees simultanement (Figure 5 ... resultats obtenus 5 ans apres le debut de la peche dirigee sont encore partiels. 4. CONCLUSION La ... 0,21 1980/81 69 73,75 25 0,33 1981/82 10 13,08 <1 0,05 1982/83 4 5,42 0 / 1983/84 14 15,17 5 0,33 ... tenant compte des gammes de tailles exploitees d'une annee a 1'autre (Figure 5) et qui peuvent apporter ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Autor(es): Duhamel, G.
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Status of the FIBEX acoustic data from the West Atlantic
difference of -5 dB, Hampton (1990) found a difference of -7 dB, and Foote et al. (1990) a difference of ... of Greene et al. (1990) produces an MVBS difference of -5 dB. The wide range of empirical ... Biomass (tonnes * 103) 15 479.2 6 937.8 4 228.7 555.2 432.1 13 399.9 CV (%) 27.9 34.9 ... l-hour intervals and plotted these (Figure 4) for comparison with the Professor Siedlecki data ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Autor(es): Trathan, P.N. and I. Everson