关于南四湖区引种芦竹之商榷

为净化南四湖上游区的污水，有关部门在主要入湖河道口，从南方引种大量芦竹。芦竹具有极强的繁殖能力，而且具有一定净化污水、改善水质的作用。通过近4年的引种观察，芦竹的生长对本土植物已造成侵害、阻塞河道、易引起野外火灾等，危及南四湖区的生态安全，建议慎重引进芦竹，加强对现有芦竹栽植与生长的管理。同时要切实做好对本土植物的保护，应充分利用本土植物净化水质。

Discussions on the Introduction of Arund donax L. in Nansi Lake Area

Arund donax L. was introduced to rivers and lakes in the upstream of Nansi Lake area for purification of polluted water. Arund donax L. is a plant species with high reproductive capacity and can purify the polluted water. By four years observations, the growth of Arund donax L. has resulted in invasions that threaten local plants, block water ways of rivers and subject to field fires, imposing risks to ecological security of the later area. It was recommended that Arund donax L. be grown in caution and mana...