河道整治工程中灌草植物应用研究浅议

河道边坡结构的破坏， 加剧了河坡生态环境恶化。采用生物护坡，尤其是栽植灌木和草本，可明显改善边坡的水土保持能力。植物发达的根系通过锚固作用和加筋作用有效地提高坡面的稳定性。种植植物可以在相对较短的时间内恢复边坡的生态功能，增加其抗侵蚀能力。灌木和草本是用于护坡的主要植物，现阶段用于护坡的灌草大多是根系发达、抗逆性强的植物种。不同土壤、气候条件及不同地区和地域适宜种植的灌草植物不同，因此采用种植灌草护坡应根据当地环境条件选择适宜植物，否则很难成功。分析阐述了植物的生态作用及护坡机理，并总结了在河道整治工程中主要使用的部分灌草种。最后列举了一些适应我国北方地区气候环境的护坡灌草，以期为护坡工程中灌草植物的选用提供一些建议。

Discussion on usage of shrub and herbaceous plant in river slope regulation project

The river slope environment was deteriorated by the ruin of the river slope.Using biologic ways could improve the water and soil conservation capacity of the slop,especially through planting shrub and herbaceous plants.The developed roots of plants effectively enhanced the stability of the slope through anchoring and reinforcement effect.Planting could restore the ecological functions of the slope and increase their erosion resistance ability in the relatively short period of time.Shrubs and herbs were the ...