Research on warning mechanism of forest health in typical natural secondary mountain and stony forest communities of Northern China[J]. Guangdong Agricultural Sciences, 2012, 39(13): 187-191. DOI: 10.3969/j.issn.1004-874X.2012.13.063
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Citation:
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Research on warning mechanism of forest health in typical natural secondary mountain and stony forest communities of Northern China[J]. Guangdong Agricultural Sciences, 2012, 39(13): 187-191. DOI: 10.3969/j.issn.1004-874X.2012.13.063
|
Research on warning mechanism of forest health in typical natural secondary mountain and stony forest communities of Northern China[J]. Guangdong Agricultural Sciences, 2012, 39(13): 187-191. DOI: 10.3969/j.issn.1004-874X.2012.13.063
|
Citation:
|
Research on warning mechanism of forest health in typical natural secondary mountain and stony forest communities of Northern China[J]. Guangdong Agricultural Sciences, 2012, 39(13): 187-191. DOI: 10.3969/j.issn.1004-874X.2012.13.063
|