清远市珍稀濒危植物资源和保护对策

１９９８年６月～２０００年６月，对清远市野生珍稀濒危植物资源进行了调查，发现野和珍稀濒危植物４１种，其中蕨类植物３科３属４种，裸子植物５科７属７种，被子植物２２科２８属３０种；国家一级保护稀有植物３种，国家二级保护渐危植物１２种，稀有植物１５种，广布种２种，国家三级保护渐危植物５种，稀有植物３种，省级保护稀有植物１种；另外还发现栽培的国家一级保护植物４种，二级保护植物２种。它们具有种类组成丰富，地

INVESTIGATION ON THE RARE AND ENDANGERED PLANT RESOURCE IN QINGYUAN CITY AND THEIR CONSERVATION STRATEGIES

In the wild rare and endangered plant resource investigation of Qingyuan city from June 1998 to June 2000, 41 rare and endangered plant species were found, they include 4 pteridophyte species belonging to 3 genera, 3 families, 7 ymnospermous species belonging to 7 genera , 5 families and 30 angiospermous species belonging to 28 genera, 22 familis. Among them ,3 rare species fall into the first ranking protect category of China. There are also 12 species which are vulnerable, 15 rare and 2 wide distribution species in the second ranking, 5 vulnerable and 3 rare species in the third. There is one species protected by Guangdong Province. Also there are 6 cultivated species found, 4 of them belonging to the first ranking in protection category, the other 2 the second. The rare and endangered plant resource of Qingyuan city is featured with its richness in composition, antique origin, abundance of species composite and especial component; complex of geography and diversity of economic value. Conservation strategies are put forward base on the analysis of what risks these plants have being encountered in the paper. ;