Table 8.1.3.4 The Effects of PCP on the Marine Polychaete Worm, Ophryotrocha diadema.

recorded

concentration of 2,3,4,5,6-PCP in µg/L

effect

3

10

32

100

320

48-day experiment beginning with larval worms

% worms dead

20

20

18

40

78

% eggs dead

21

40

45

70

-

% reproduction

90

68

46

19

0

larvae/egg

9.6

7.8

6.8

3.0

-

37-day experiment beginning with adult worms

% worms dead

3

3

3

5

58

% eggs dead

24

19

36

32

36

% reproduction

86

112

78

44

1.7

larvae/egg

7.6

9.2

6.2

7.4

7.0