【摘要】 介绍了秋千沟小流域的自然条件、森林状况和河水历年流量。通过对20世纪70年代秋千沟森林、降水和河水流量变化规律的分析,证明森林涵养水源、保持水土的效益十分明显。尤其是森林在调节丰水季节与枯水季节、丰水年与枯水年的河水流量,以及在减免洪水泛滥和土壤侵蚀方面,功能效益十分突出。更多还原

【Abstract】 The natural condition,forest condition and flux of Qiuqiangou watershed were introduced in the paper.We analysed the changing regulation of water flux,precipitation and forest of Qiuqiangou that occurred in 1970s.It is obvious that forest can conserve water resource and soil,especially can adjust the flux in the season or year of water-in-abundance and water-in-deficient,and decrease flooding and soil eroding.更多还原