文章摘要
Research on warning mechanism of forest health in typical natural secondary mountain and stony forest communities of Northern China
  
DOI:10.3969/j.issn.1004-874X.2012.13.063
Author NameAffiliation
郭峰, 陈丽华, 汲文宪, 宋恒川 北京林业大学水土保持学院,北京,100083 
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