中文摘要：

龙场九驿是连接黔中与黔西北的交通要道。清康熙改流前,由于驿路沿线为水西土司控制,耕牧混成经营模式与当地生态系统相兼容,驿路沿线深林密箐,生态环境良好。康熙改流后,在此鼓励移民垦殖和矿业开发,驿道沿线生态环境出现恶化,诱发诸类生态灾变。

英文摘要：

The Post Route of Nine Posthouses including Long Chang which is pionnered by She Xiang,a chieftain of Shui Xi,is a vital corridor links middle part with northwest territories of Guizhou province. Before bureaucratization of native officers by Kang Xi emperor in Qing Dynasty,there was clothed with rich and varied vegetation in the areas along with the post route. Accordingly,ecological balance at that region had been kept all along of the time. A large quantity of immigrants poured into the region along with the post route increasingly in the wake of bureaucratization of native officers by Kang Xi emperor in Qing Dynasty,meanwhile,Qing court tried encouraging the development of mining industry. Those generated ecological catastrophe along with the post route.