This paper analyzed the concept and content of the road domain ecosystem ecological integration and its relationship with ecosystem health. Based on PSR framework, the ecological integrated measurement model was built, which divided the ecological integration into three subsystems, pressure, state and response. By constructing various subsystems indicators, the road domain ecosystem ecological integration was quantified by using the comprehensive evaluation method. On this basis, the ecological integration index was calculated along the highway at different distances of Yichang to Badong highway. The result shows that the road domain ecosystem ecological integration is relative to the distance on both sides of the highway. In the range of 0-5 m, the ecological integration index is only 0.0408, which is gradually rising with distance increasing. To the range of 100-200 m, the ecological integration index reaches 0.9343, which is close to the normal ecosystems level. This result is mainly related to the road construction disturbance. When it is closer to the road, the interference intensity is greater and the impact on the ecosystem is more obvious, which leads to the worse ecological integration. Conversely, the ecological integration is better.
Study on Ecological Integration of Yichang to Badong Highway Domain Ecosystem
2013
7 Seiten
Aufsatz (Konferenz)
Englisch
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