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山西省吉县蔡家川流域不过40平方公里,无论在中国地图还是在山西省地图上,都难寻其踪影。流域下游零星分布着几个不规则的小村庄,全流域人口不过200人,以农为主,耕种坡地,以牧为辅;流域中游荒山秃岭,不见人烟;上游次生灌木和乔木丛生,若干散户分布其中,以牧为生。就是这样一个地处偏远、信息闭塞、交通不畅、环境恶劣的小流域却时刻让我魂牵梦绕。 最近我又回到了曾进行过近10年试验研究并已阔别了5年的蔡家川流域,实地考
Caijiachuan basin, Ji County, Shanxi Province, but 40 square kilometers, both in China map or map of Shanxi Province, are hard to find its trace. There are several irregular small villages scattered in the lower reaches of the river basin. However, the population of the whole basin is only 200, with farming as the mainstay. The farmland is cultivated on sloping lands, supplemented by grazing. The bald ridge of barren mountains in the middle reaches of the river basin is not seen. The secondary shrubs and tree- A number of retail distribution among them, to animal husbandry for a living. Is such a remote, information blockage, poor traffic, the poor environment of the small watershed has always let me cherished. I recently returned to the Caijiachuan River basin, which has undergone nearly 10 years of experimental study and has already completed another 5 years.