出版社：Korean Society of Environmental Health and Toxicology
摘要：In this study,we investgated the uptake capacity of several water plants for heavy metals (lead and cadmium) in soil of rivers where are adjacent to a industrial complex in Chun-An city and in A-San city. We also examined the deposition pattern of heavy metal in plants. The results are as follows: 1. The soil of river in Chun-An city was polluted more serious than that of A-San city. In Chun—An city,mean values of lead and cadmium contents in soil were 26.224±28.037ng/g,and 0.854± 1.127^ig/g,respectively. 2. Water plants examined in this study were Sium suave KITAGAWA,Persicaria thun-bergii H. GROSS,Phragmites japonica STEUD,Echinochloa crus-galli var. frumen-tacea WIGHT and Persicaria hydropiper SPACH. Both metal contents of several water plants distributed in Chun-An city were higher than those in A-San city. In these plants,Sium suave showed the highest uptake capacity for lead and cadmium. The mean values of lead and cadmium contents in Sium suave were 40.957 ±29.577 |xg/g and 1.930土 1.076gg/g,respectively. Persicaria thnnbergii also showed a relatively high uptake capacity for both metal. 3. Correlation between metal contents in soil and water plants was high. In both cases of Sium suave and Persicaria thnnbergii correlation coefficients were 0.605 and 0.549,respectively. 4. We analyzed lead and cadmium contents in root,stem and leaf of several water plants. Both metals were mostly deposited in root. Much of both metals were also deposited in leaf. From the results,we suggest that Sium suave KITAGAWA and Persicaria tluov beygii H,GROSS can be used to reduce heavy metals from industrial waste water.
