The tong-term tune bests of Pinus yunnanensis management lead to bio-diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline.

• 摘要长期以来，云南松的纯林经营使得生物多样性降低、林分稳定性变差、遗传品质退化、林分生产力下降，从而导致生态系统功能衰退。