自然生态观
the concept of natual ecology
Natural ecology view
近自然生态设计
approx-natural ecological design
历史自然景观
Historical natural landscape
流域景观自然度
watershed landscape naturalness WLN
潜在自然景观
potential natural landscape
生态自然恢复
self-restoration of vegetation
生态自然修复
ecological natural rehabilitation
自然景观旅游区
Tourist areas of natural landscape
自然生态环境
natural ecological environment
Natural eco-environment