Ecological Risk Assessment of Soil Heavy Metals and Pesticide Residues in Tea Plantations
文献类型： 外文期刊
作者： He, Haifang 1 ; Shi, Longqing 1 ; Yang, Guang 1 ; You, Minsheng 1 ; Vasseur, Liette 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Inst Appl Ecol, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Peoples R China
2.Minist Educ, Joint Int Res Lab Ecol Pest Control, Fuzhou 350002, Peoples R China
3.Fujian Acad Agr Sci, Inst Rice, Fuzhou 350018, Peoples R China
4.Minist Agr, Key Lab Integrated Pest Management Fujian Taiwan, Fuzhou 350002, Peoples R China
5.Brock Univ, Dept Biol Sci, 1812 Sir Isaac Brock Way St, St Catharines, ON L2S 3A1, Canada
关键词： perennial crop; heavy metals; pesticides; soils; risk management; ecological risk; pollution
期刊名称：AGRICULTURE-BASEL （ 影响因子：2.925； 五年影响因子：3.044 ）
ISSN：
年卷期： 2020 年 10 卷 2 期
页码：
收录情况： SCI
摘要： Tea plantations have used many synthetic chemicals to ensure performance and control of pests. This has led to increased contamination of soils and reduced tea growth. We assessed the levels of heavy metals, including Cd, Cr, Pb, Cu, Ni, Zn, Hg, As, and pesticide residues, such as HCHs, biphenyl chrysanthemum ester, methamidophos, imidacloprid, permethrin, in the soil of tea plantations of Taiwan, Tibet, Guangdong, and Fujian. The Potential Ecological Risk Index and the Nemerow comprehensive pollution index were used to analyze the data. The results showed that risk indices in Tibet, Guangdong and Fuzhou were considered as moderate ecological harm level. Ecological risk assessment index of Anxi organic and Anxi conventional tea gardens suggested a "low" risk level. The Nemerow comprehensive pollution indices for soil pesticide residues in the tea plantations of Taiwan, Tibet, Anxi organic and Anxi conventional were considered mild. Guangdong and Fuzhou had values suggesting "slight pollution" levels. According to National Soil Environmental Quality Standard (GB15618-1995), soil in tea plantations in Taiwan, Tibet, and Anxi conventional matched the national first grade of soil quality and those from Guangdong, Fuzhou, and Anxi organic tea garden matched the national second grade.
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