7[1]Ming Xu,Ye Qi,Peng Gong,et al.China's New Forest Policy[J].Science,2000,22(289):2049～2050.
8[2]Li Wenhua.Degradation and restoration of forest ecosystems in China[J].Forest Ecology and Management,2004,201:33～41.
9[17]Mitschka J.Hartley.Rationale and methods for conserving biodiversity in plantation forests[J].Forest Ecology and Management,2002,155:81～95.
10[18]Daniel Piotto,Edgar Víquez,Florencia Montagnin,et al.Pure and mixed forest plantations with native species of the dry tropics of Costa Rica:a comparison of growth and productivity[J].Forest Ecology and Management,2004,190:359～ 372.
