Species

#Individual

Abundance Pi

lnPi

Pi * ln (Pi)

SC

SS

Creepingwaterbug

13

0.123

12.3

−2.098

−0.257

6

U

Predaciousdividingbeetles

5

0.047

4.7

−3.054

−0.144

5

U

Pigmybackswimmers

3

0.028

2.8

−3.565

−0.101

4

U

Mosquitoes

7

0.066

6.6

−2.718

−0.179

7

U

Watermites

9

0.085

8.5

−2.466

−0.209

5

M

Blackflies

16

0.151

15.1

−1.891

−0.285

1

M

Midges

19

0.179

17.9

−1.719

−0.308

2

M

Aquaticearthworm

21

0.198

19.8

−1.619

−0.321

1

D

Snail

4

0.038

3.8

−3.277

−0.124

4

D

Mothflies

9

0.085

8.5

−2.466

−0.209

1

D

TOTAL

106.000

1.000

100

−24.873

2.138

36