THESIS APPROVAL

LIST OF FIGURES (Continued)
Figure Page
21 Length frequency of L. hoffmeisteri in E-WH 71
22 Length frequency of L. hoffmeisteri in E-WN 72
23 Adult worm (3.0-3.5 cm) in E-WH during 42 d of the experiment
under stereo microscope 73
24 A cluster of tiny newly hatched worms (0.3-0.5 cm) in E-WH
during 42 d of the experiment under stereo microscope 73
25 TOM of the sediment in E-WH and E-NH 74
26 DO of the overlying water in E-WH and E-NH 74
27 Dead worms under stereo microscope 76
28 Mortality, sediment avoidance, autotomy and reworking activity of
L. hoffmeisteri after 24, 48, 72 and 96 h of test exposure in sediment
29 Mortality of L. hoffmeisteri exposed to sediment-associated
78
naphthalene in the test chamber 79
30 Autotomy of L. hoffmeisteri exposed to sediment-associated
naphthalene under stereo microscope 79
31 Sediment avoidance L. hoffmeisteri exposed to sediment-associated
naphthalene 80
32 Mean concentration of naphthalene in the treatment sediments
at the initial stage (0 h) and during the bioaccumulation period
(24, 48, 72 and 96 h) 82
33 Mean concentration of naphthalene in the overlying water during
the bioaccumulation period 82
34 Mean concentration of naphthalene in tissues of oligochaetes during
the bioaccumulation period 83
35 Mean BAFs values during the bioaccumulation period 83
36 Mean concentration of naphthalene in tissues of fish during the 12 h
trophic transfer exposure period 85
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