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Heavy metal concentrations and enzyme activities in soil from a contaminated Korean shooting range
- Heavy metal concentrations and enzyme activities in soil from a contaminated Korean shooting range
- Lee I.-S.; Kim O.K.; Chang Y.-Y.; Bae B.; Kim H.H.; Baek K.H.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- Journal of Bioscience and Bioengineering
- vol. 94, no. 5, pp. 406 - 411
- SCI; SCIE; SCOPUS
- Soil enzyme activities and heavy metal concentrations (Cd, Zn, Cu and Pb) were measured at a general shooting range in South Korea. Total heavy metal concentrations varied with pH, and were negatively correlated with moisture content and organic matter. Most enzyme activities (dehydrogenase, acid phosphatase and β-glucosidase) and ATP values (measure of biomass) were lower in polluted soils, especially in bald spots contaminated by heavy metals and TNT (2,4,6-trinitrotoluene). These data indicate that concentrated shooting activity inhibits enzyme activity and microbial growth. Soil enzyme activities in richly vegetated spots around the general shooting range were higher (2- to 3-fold) than in bald spots, but lower in areas of heavy metal contamination. Our results demonstrate that the dominant plant species in richly vegetated spots accumulated heavy metals from soils, and suggest certain plants may be useful for decontaminating polluted soil.
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