芷江侗族自治县位于长江上中游湖南省西部，地处云贵高原东缘、武陵山脉南麓，素有“黔楚咽喉”、“西南门户”之称。历史上，芷江曾是一个山川秀丽、名胜荟萃、相映生辉的“世外桃源”。近年来，由于长江上中游沅水支流舞水流域乱砍滥伐、破坏植被的现象十分突出，森林涵养水 Zhijiang Dong Autonomous County is located in the upper reaches of the Yangtze River in western Hunan Province, located in the eastern edge of Yunnan-Guizhou Plateau, south of Wuling Mountain, known as “Qian Chui throat”, “Southwest portal,” said. Historically, Zhijiang once was a “beautiful paradise” with beautiful scenery and magnificent scenery. In recent years, as a result of the deforestation of the tributaries of the upper reaches of the Yangtze River and the tributaries of the Yuanshui River, the phenomenon of damaging the vegetation is very conspicuous. Forest conservation water