Study on the Stress Factors and Effects of Highway Ecosystem Health

Ecological problems of highway have gradually been paid attention with highway mileage increasing rapidly. The highway ecosystem is a compound ecosystem, then it is more fragile comparing to natural ecosystem, and its healthy is stressed by both surrounding natural environment and human society. This paper describes the phenomenon of stress of highway ecosystem, analyzes the factors of stress and the influence mechanism. In addition, the development trends and stress effects are discussed.