Dr. Éva Murai szerk.: Miscellanea Zoologica Hungarica 3. 1985 (Budapest, 1985)
Kiss, I.: Ecological studies on zooplankton species important for fish farms. I. Population biological investigations on zooplankton breeds
Table 5. Some population biological parameters of the Daphnia-I breed Table 6. Some population biological parameters of the Daphr iagna-II breed Date of sampling Number of days after introduction Total number of individuals ind. /lit. Grown-up amictic females ind. /lit. Reproductive females ind. /lit. Repr. females/total number of amictic females Average number of 0) Adults, no longer producing eggs ind. /lit. Juveniles 3 c Juveniles/total number of individuals Juveniles/one reproductive females Males ind. /lit. Ephippial females ind. /lit. 01. 07 3 6 4 2. 4 2 4 100. 0 30 1 b 0 4 0 62. 5 1.66 0. 0 0. 0 0 4. 0 7 6 104 7 16. 1 15 4 95. 6 30 '5 0 . 7 88 6 84. 6 5. 8 0. 0 0. 0 06. 07 8 14a 7 40. 6 40 6 100. 0 19 3 0 0 109 1 73. 2 2. 7 0. 0 0. 0 08.07 10 220 5 48. 0 47 4 98. 7 14 1 0 . 6 172 5 78. 2 3. 6 0. 0 0. 0 11.07 13 1056 2 115. 8 54 3 46. 8 8 6 61 . 5 915 .2 86. 6 16.9 11 2 14. 0 13. 07 15 1502 Í) 158. 1 1 0 0. 6 1 0 157 . 1 1280 . 3 85. 1 1280.3 45 7 18. 8 15. 07 17 259 2 39. 3 0 0 0 0 39 . 3 194 . 7 75. 1 25 2 0. 0 18. 07 20 63 4 17. 0 0 0 0 0 1 7 . 0 46 . 4 73. 2 0 0 0. 0 20.07 22 9 2 4. 0 0 0 0 0 4 . 0 5 .2 56. 5 0. 0 0.0 22.07 24 3 4 2. 3 0 0 0 0 2 . 3 1 . 1 32. 3 0. 0 0.0 Date of sampling Number of days after introduction Total number of individuals ind. /lit. Grown-up amictic females ind. /Üt. Reproductive females ind. /lit. Repr. female s/total number of amictic females, % Average number of eggs Adults, no longer producing eggs ind. /lit. Juveniles ind. /lit. Juveniles/total number of individuals Juveniles/one reproductive females Males Ind. /lit. Ephippial females ind. /lit. 16.08 2 4 1 2. 0 2. 0 100. 0 12 1 0 0 2 1 51. 2 1 1 0. 0 0. 0 18.08 4 25 9 10. 1 10. 1 100. 0 16 3 0 0 15 8 61.0 1 6 0 0 0. 0 22.08 8 58 3 18. 0 18. 0 100. 0 22 7 0 0 40 3 69. 1 2 2 0. 0 0. 0 23.08 11 215 8 36. 2 36. 2 100. 0 25 4 0 0 179 6 83. 2 5 0 0. 0 0. 0 27.08 13 40 3 1 70. 7 68. 3 96. 6 20 0 2 4 32 6 1 80. 8 4 8 6. 3 0. 0 29.08 15 763 2 179. 8 154. 6 86. 0 16 8 25 2 532 3 69. 7 3 4 18. 0 33, 1 01. 09 18 500 9 151. 1 135. 4 89. 6 7 6 15 7 318. 7 63. 7 2 4 8. 8 22. 3 03.09 20 175 5 53. 8 31. 0 57. 6 3 0 22 8 10 1 0 57. 4 3 8 2. 1 18. 6 05.09 22 51 9 15. 3 8. 2 53. 6 2 3 7 1 31. 6 60. 9 3 9 0. 0 5. 0 08. 09 25 17 8 6. 1 1. 9 31. 1 4 2 9. 0 50. 5 4 7 0. 0 2. 7