CHAPTER 15 . Toxic Effects of Organometallic Compounds towards Marine Biota
377
Table 15.19. Imposex incidence of Thais distinguenda from 21 sites, of Thais bitubercularis and Morula
musiva in 1996 and 1998, adapted from Bech (1999)
Station name
Thais distinguenda
Thais bitubercularis
Morula musiva
1996
1998
1996
1998
1996
1998
Laem Nga
0
0
21
79
0
0
Laem Mai Phai
0
62
Laem Phap Pha
57.4
83
42
100
a
10
Phuket Harbour
89.67
100
100
100
19
62.5
Laem Nam Bor
84
91
41.4
100
a
a
Deep-sea port
65.79
100
Tin smelting plant
34.38
68
Taphao Yai (west)
7.1
74
Taphao Yai (south)
0
62
Koh Taphao Noi
0
32
Hotel Cape Panwa
0
63
Laem Panwa
0
58
Laem Yam Yen
50
71
Laem Wing
22.2
62
Chalong Bay (East)
57
58
100
100
0
5
Koh Thanan
0
34
Koh Lon (East)
0
14
Koh Aew
a
2
Koh Hey
0
0
Koh Maiton
0
a
Table 15.20. Concentrations (ng g-l wet wt) of butyltin species in the liver and kidneys of Mediterranean dolphins (Mean and range of concentrations; N.d. = not detected, below detection limit of
2 ngg- 1 wwt), adapted from Focardi et al. (2000)
Species
Tissue
MBT
DBT
TBT
1:BTs
Stenella coeruleoalba
Liver,8
97 (4.7-205)
115 (10-434)
67 (N.d.-386)
259 (15-1025)
Kidney, 7
1661 (772-6596)
86 (Nd-468)
200 (8.0-990) 2230 (783-8055)
Tursiops truncatus
Liver, 2
3.0; 12
36
4.1; 15
27;43
Kidney, 2
1003; 1968
16
5.3;46
1024; 2014
Delphinus delphi a
Liver, 1
5.5
333
4014
4352
Kidney, 1
2622
400
193
3215
a Fetus.