Annexures - WAPCOS - Ministry of Environment and Forests

ANNEXURE-VIII
Density of zooplanktons (no of individuals/Lit) at various sampling sites
April 2009
Genus Kalai HEP, Stage-1 Kalai HEP,stage-2
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10
Difflugia 6 7 6 9 6 4 2 3 6 5
Keratella 1 2 3 6 3 1 - - - 2
Polyarthra - - - - - - - - 1 1
Testudinella - - - - - 2 - - 3 -
Ceriodaphnia - - - - - - 1 - - -
Cyclops - - - - 1 - - - 1 1
Monostyla - - - 1 1 - - - - -
Philodina - - - 1 1 - - - - -
Arcella 1 - 4 3 - - - - - -
Colurella 9 7 2 2 1 - - - - -
Bosminopsis 1 3 5 1 - - - - 7 9
Unidentified-2 4 5 6 3 2 - - - 3 2
Trichocerca - - - - - - - - 1 1
Total 22 24 26 26 15 7 3 3 22 21
Genus Hutong HEP, Stage-1 Hutong HEP, Stage-2
S11 S12 S13 S14 S15 S16 S17 S18 S19 S20
Difflugia - 7 - - - 5 1 12 - -
Polyarthra - - 5 - - 3 - 7 1 -
Ceriodaphnia - - - - 1 - - - - 1
Cyclops - - - - - 1 - 2 - -
Monostyla - - - - - 1 - - - 3
Mytillina - - - - - 2 - - - -
Philodina 3 2 - - 5 - - 1 1 -
Arcella - - - - - 1 - - - -
Colurella - - - - - - - - - 1
Unidentified-3 - - - 2 - - - 1 - -
Bosmina - - - - - 1 - - - -
Bosminopsis - 3 - - - 1 - - - 5
Brachionus - - - - - 3 - - - -
Unidentified-2 - - - - 5 - - - - -
Filinia - - - - - - - 2 - -
Lecane - - - - - 1 - - - -
Total 3 12 5 2 11 19 1 25 2 10
Genus Demwe Upper HEP Demwe Lower HEP
S21 S22 S23 S24 S25 S26 S27 S28 S29 S30
Difflugia 2 - 1 1 4 5 3 - 2 5
Keratella - - - - 2 4 1 2 - 2
Polyarthra - - 4 - 5 - - - - -
Testudinella 1 - - - 4 6 4 - 1 -
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