论文部分内容阅读
河田是福建省长汀县严重的水土流失地区,已有一百多年危害的历史。解放前曾进行治理,但没有成功。解放后治理工作时断时续,水土流失不断加剧,直至1981年起才开始进行有效的治理,本文首先对河田的水土流失作了历史回顾;接着对近年来的治理工作进行了科学评价;最后根据地带性学说对根治水土流失提出了新的观点,那就是:草先行,草灌乔结合,建成一个中亚热带的森林生态系统。
Hetian is a serious water and soil loss area in Changting County, Fujian Province, and has a history of over one hundred years. Governed before the liberation, but did not succeed. After the liberation, the management work was intermittent and the soil and water loss increased continuously. Effective governance was not started until 1981. This article firstly made a historical review of the soil and water loss in Hetian. Then it made a scientific evaluation of the governance in recent years. Finally, According to the zonal theory of water and soil loss for radical era put forward a new point of view, that is: grass first, grass irrigation and Joe combined to build a subtropical forest ecosystem.