万州区外来入侵植物的种类与分布

Species and Distribution of Exotic Invasive Plants in Wanzhou District

为了对万州区及三峡库区入侵植物的防治提供参考,对万州区51个乡镇的入侵植物种类进行了调查。结果表明：万州区共有入侵植物20科、36属、45种;其中具有严重危害性植物有3种,危害性较严重的有8种,一般影响植物34种。万州区51乡镇均不同程度受到入侵植物危害,其中,外来入侵植物分布有20种以上的乡镇有4个;10-20种的乡镇12个,其余的均为10种以下。

The species of exotic invasive plants in 51 villages and towns of Wanzhou district were surveyed to provide the scientific basis for control of invasive plants in Wanzhou district and Three Gorges Reservoir Region.The results showed that there were 45 species belonging to 36 genera,20 families in Wanzhou district,serious damage,high damage and common damage species were 3,8 and 34 respectively,51 villages and towns in Wanzhou district were harmed by invasive plants to varying degrees,of which,4 villages and towns were harmed by more than 20 invasive plant species,12 villages and towns were harmed by 10～20 invasive plant species and 27 villages and towns were harmed by less than 10 invasive plant species