Slope bioengineering has significant protective effect on ecology environment, yet vegetation has complex effect on the stability of slope, it plays both positive and negative roles.
植被护坡在改善生态环境方面的作用是显著的，但植被对坡体稳定性的影响却很复杂，积极与消极的作用共存。
2
This paper starts with Greenland system and USES fundamental methods of landscape ecology to analyze the landscape heterogeneity of vegetation in Urumqi.
本文从绿地系统着手，运用景观生态学的原理和方法，对乌鲁木齐市绿地系统作了综合评价。
3
During this period, the destruction of the vegetation in Wenyu drainage area leads to the ecology environment depravation of the area.