Liang Jinzhan,Li Dian,Zhang Jian,et al.The Phytocoenosis Structure and Diversity as Affected by Little Watershed Management[J].Research of Soil and Water Conservation,1998,5(04):98-101,106.
小流域治理对植物群落结构及多样性的影响
- Title:
- The Phytocoenosis Structure and Diversity as Affected by Little Watershed Management
- Keywords:
- little watershed management; phytocoenosis; diversity index; upright structure; south Xiaohegou watershed
- 摘要:
- 采用Shannen-wiener多样性指数和盖度加权叶层多样性指数等作为植物群落垂直结构复杂性的测度,分析了小流域治理对6个不同立地条件类型的植物群落的组成、结构及多样性变化的影响.分析结果表明,小流域治理不仅使植物个体数和种数大幅度增加,同时使植物群落的空间结构发生明显变化,在相同立地条件下治理区植物群落的垂直结构和层次性的复杂程度明显高于未治理区.
- Abstract:
- The Shannen-wiener method was adopted to study the phytocoenosis structure,composition and diversity as affected by little watershed management under 6 different land types.The research results suggested little watershed management not only made vegetation amount and species increase largely,but also made the spacial structure of phytocoenosis change obviously.Under same land type,the complex degree of upright and space structure of phytocoenosis in managed area was higher than in unmanaged area.
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备注/Memo
收稿日期:1998-9-15。
基金项目:黄委会水保基金(95-04)