中国温带疏林的地理分布、生态地位及成因

于顺利

Geographical Distribution, Ecological Position, and Formation Causes of Temperate Zone Sparse Forest in China

YU Shunli

. 2011, (25): 26 -29 . DOI: 10.3981/j.issn.1000-7857.2011.25.003

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