Parameter

1969-1984 (Mean (SD)

1985-2000 (mean (SD)

p value (S = Significant; NS = Not Significant

Rotifera

93 (34)

80 (51)

0.4080 NS

Ceriodaphnia spp.

30 (13)

22 (8)

0.0552 NS

Bosmina spp.

29 (10)

22 (8)

0.0419 S

Diaphanosoma sp.

17 (8)

8 (5)

0.0008 S

Cyclopoid Eggs

12 (5)

8 (7)

0.1147 NS

Adult Cyclopoida

47 (24)

19 (13)

0.0003 S

Cyclopoid Copepodite (1-4)

80 (29)

50 (21)

0.0024 S

Cyclopoid Nauplii

89 (19)

58 (32)

0.0027 S

Predator Cyclopoida Vs Herbivore Zooplankton (g(ww)/m²)

0.34 (0.06)

0.29 (0.11)

0.1124 NS