农业环境科学学报2013，Vol.32Issue(1)：103-110,8.DOI:10.11654/jaes.2013.01.016
甘肃中部高原露地菜田土壤重金属污染及潜在生态风险分析
Analysis on Current Situation and Potential Ecological Risk and the Characteristic of Heavy Metals Pollution of Soil in the Central Plateau of Gansu Province, China
摘要
Abstract
The concentrations and pollution characteristics of six heavy metals, such as Hg, Cr, Cd, As, Pb and Cu, in the open vegetable fileds soil from solanaceous fruit vegetables, leafy vegetables, bulbs vegetables, roots and stems vegetables in the central plateau of Gansu Province were analyzed by using the method of field investigation and laboratory analyses. Geo-accumulation index and potential ecological risk index were used to evaluate the ecological risk assessment of heavy metal pollution. Our results showed that the concentrations of heavy metals in soil of open vegetable fields soil were higher than the evaluation of reference value.Those soils showed a light potential ecological risk, and the potential ecological risk was in the order of Hg>Cd>Pb>Cu>Cr>As. Hg was the potential impact element for the ecological environment in the research area.关键词
露地菜田土壤/重金属/生态风险评价/地积累指数Key words
open vegetable fields soil/ heavy metals/ ecological risk assessment/ geo-accumulation index分类
资源环境引用本文复制引用
李瑞琴,于安芬,白滨,王婧..甘肃中部高原露地菜田土壤重金属污染及潜在生态风险分析[J].农业环境科学学报,2013,32(1):103-110,8.基金项目
财政部国家社会公益项目绿色农业科学研究示范项目(2007-04) （2007-04）
国家科技支撑项目"高原夏菜高效安全生产及保鲜加工关键技术研究与示范"(2007BAD52B01) （2007BAD52B01）
甘肃省科技重大专项(1102NKDJ031) （1102NKDJ031）
