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广西马尾松人工林对重金属元素的吸收、累积及动态
方晰;田大伦;项文化;蔡宝玉
1.中南林学院生态研究室;2.中南林学院生态研究室 湖南 株洲 412006;3.湖南 株洲 412006
摘要:
探讨了广西马尾松人工林对重金属Cu、Zn、Mn、Pb、Ni、cd元素的吸收、累积及动态。结果表明:马尾松林地土壤层(0~60 cm)中重金属元素Cu、Zn、Mn、Pd、Ni、Cd的平均含量,分别为23.02,24.46,235.46,5.93.8.45和0.14 mg·kg-1,储量大小依次为Mn>Zn>Cu>Ni>Pb>Cd。马尾松林不同组分中,重金属元素的含量范围分别为Cu 2.97-13.47,Zn 12.09-42.93,Mn 143.14-751.78,Pd 2.87-25.12,Ni 0.19-25.05和Cd 0.16~1.24 mg·kg-1,对土壤6种重金属元素富集能力的大小...
关键词:  广西    马尾松人工林    重金属元素    吸收    累积及动态
DOI:
分类号:
Fund project:国家科技部基础研究重大项目(2102) 国家科技部重点野外科学观测试验站(2000-076) 国家林业局重点项目(2001-07、2001-29)项目资助
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