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— 294 — Time (months) • Treatment I -■— Treatment II Fig. 10. — Fluctuation of ammonium concentration in intensive culture system. Time (months) —•—Treatment I —■—Treatment II Fig. 11. — Fluctuation of P-PQ, ' (ppm) concentrations in the intensive culture system o f climbing perch. values were lower than fluctuation of COD (14.04-16.82 ppm) and average of COD (14.04 ± 1.2 ppm) in treatment II. According to V in b e r g (1962), these values were shown as highly nutrient in earthen ponds. Regarding the H2S parameters, figure 13 shows that the fluctuation of H2S in treatment I ranged from 0.02 to 0.14 ppm, the average of H2S concentrations was 0.02 ± 0.01 ppm. These values were lower than treatment II of 0.05-0.19 ppm (fluctuation of H2S) and 0.05 ± 0.02 ppm (average of H2S) but with no significant difference (p > 0.05) between both treatments. However, climbing perch
— 295 — 15/11/04 14/12/04 18/1/05 15/2/05 Time (months) • Treatment I —■— Treatment II Fig. 12. — Fluctuation of COD concentrations in the intensive culture system o f climbing perch. 0.25 -i 0.20- o, 0.15 - K M 0.10- 33 0.05- 0.00- 15/11/04 14/12/04 18/1/05 15/2/05 Time (months) —•—Treatment I ■ Treatment II Fig. 13. — Fluctuation of H2S concentrations in the intensive culture system of climbing perch. can survive and tolerate a variety of bad conditions in the nature, especially where concentration of organic matter is high. Hence, with the H2S concentrations mentioned above, there was no bad effect on climbing perch in the intensive culture system. 3.2. N a t u r a l F is h F o o d R e s o u r c e s 3.2.1. Phytoplankton The results show that the number of phytoplankton taxa in both treatments was 48 taxa, of which the main species was Cyanophyta (16 taxa), followed by
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KONINKLIJKE ACADEMIE VOOR OVERZEESE
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ERRATUM Mededelingen der Zittingen
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WETENSCHAPPELIJKE MEDEDELINGEN COMM
Page 7 and 8: Meded. Zitt. K. Acad. Overzeese Wet
Page 9 and 10: — 243 — Fig. 1. — Le plateau
Page 11 and 12: — 245 — La taille des concentra
Page 13 and 14: 1 2 Fig. 2. — ‘b n-Naga, probab
Page 15 and 16: — 249 — . * '\ tjffi. 1 • •
Page 17 and 18: — 251 — chasse munis de cellule
Page 19 and 20: — 253 — croissant, haches fenes
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Page 25 and 26: — 259 — oostelijk Congo verplaa
Page 27 and 28: — 261 — eenmaal de linkse opsta
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Page 31 and 32: — 265 — aan een Congolese grens
Page 33 and 34: — 267 — ondernemen om onze land
Page 35 and 36: — 269 — hun nieuwe identiteitsp
Page 37 and 38: — 271 — 8. Spanning tussen Rwan
Page 39 and 40: — 273 — Op grond van de weigera
Page 41 and 42: — 275 — President toe, was het
Page 45 and 46: — 281 — — The fish biological
Page 47 and 48: — 283 — Table 2 Feed and feedin
Page 49 and 50: 285 — were calculated at the end
Page 51 and 52: — 287 — Fig. 4. — Pellet for
Page 53 and 54: — 289 — Fig. 8. — Male of cli
Page 55 and 56: — 291 — The results show no sta
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Page 63 and 64: — 299 — ment I (85.5 %). Finall
Page 65 and 66: — 301 — 4. Conclusions Througho
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Page 71 and 72: angle EAS-AC-EPS 130*- 50- 30- - -
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Page 83 and 84: — 319 — O rban, R. 1982. A biom
Page 87 and 88: — 325 — époque déterminée, d
Page 89 and 90: — 327 — Précisons tout d’abo
Page 91 and 92: — 329 — recueillies à cette oc
Page 93 and 94: — 331 — 5. Les choix stratégiq
Page 95 and 96: — 333 — 1 ’enseignement secon
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Page 101 and 102: — 339 — Anyone more or less fam
Page 103 and 104: — 341 — GPS observations can be
Page 105 and 106: M A — 343 — Fig. 7. — Referen
Page 107 and 108: — 345 — Fig. 9. — The densifi
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— 347 — Fig. 11. — Destroyed
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— 349 — Acp" = O" 004 AX" = 0"0
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Meded. Zitt. K. Acad. Overzeese Wet
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— 353 — Le monde ouvert par Ras
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— 355 — réflexion se développ
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— 357 — clergé africain de dem
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— 359 — place très marginale.
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— 361 — Bontinck ne se limita t
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— 363 — au Congo, à l’initia
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NOTULEN — PROCES-VERBAUX
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Classe des Sciences morales et poli
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— 369 — Nominations Par Arrêt
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Classe des Sciences morales et poli
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— 373 — «De evacuatie uit Cong
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Classe des Sciences naturelles et m
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— 377 — Approche satellitaire d
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Classe des Sciences naturelles et m
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— 381 — «New Hope to Fill the
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— 383 — Van Damme, W. 1999. Med
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Classe des Sciences techniques Séa
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Classe des Sciences techniques Séa
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— 389 — «Hubs, Harbours and De
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CO N TEN TS Scientific Papers Secti
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