半自然生态系统
- 网络semi-natural ecosystem;seminatural ecosystem
半自然生态系统-
生态安全包括自然生态安全、经济生态安全和社会生态安全，尤指自然和半自然生态系统的安全，是生态系统完整性和生态健康整体水平的反映。
Ecological security includes natural ecological security , economic ecological security and social ecological security , especially the security of natural and semi-natural ecosystem . It is the reflection of ecosystem integrality and ecological health .