推荐回答（5个）
节能减排出勤不出 力,甚至于在地方保护主义的庇护伞下,明排.强排.暗排.偷排大有可为;污水处理设施救不了已流入江河湖泊污水,望"洋"兴叹吧！本土水生生物(甚至二级抗污英雄浮萍.青苔和一级抗污英雄蓝藻)随着汚水事业发展,也相继壮烈牺牲于九泉之下,能爬能飞的两栖.禽.兽.虫.鸟迫于无耐,携带父母和妻儿,离乡背井,外出谋生。而特级英雄凤眼莲在誓死参予生态调节的最后一道防线,怎能叫生物入侵者呢?利用凤眼莲治污不是尖端科学,在静水水域利用框栏网定养殖凤眼莲,在流动水域利用并联工程槽(池)养殖凤眼莲,并适时适量打捞凤眼莲,适时捞尽漂浮杂物和底泥,凤眼莲能"堵塞河道.影响航运.排灌和水产业养殖"吗?它有能力将恶劣水质调节达到生物多样性水质标准,本土生物才能立足于水体。吸收金属盐和重金属就有净化海水.淡化海水的功,能解决延海城市淡水困境,能减轻南水北调的负担,并可解救"海水济"'问题。打捞了它有二次污染吗?它纳污.净化.淡化水源,影响了生活用水吗？能滋养几只蚊蝇是破坏了生态圈,还是中断了食物链？它能抑制蓝藻疯长的不足,又能和藻类共创和谐水体。这就是凤眼莲最重要生态价值之一。
城市森林.城市园林植被的生态功能和生态价值主要是吸收二氧化碳,为自然(大气和水体)提供氧气,同时迏到净化空气和水质的优质小气候。这些凤眼莲都是特优"高碳森活"。第三.是凤眼莲的绿化.美化效应。最次之是有机物的转化和利用。当然资源性利用,凤眼莲的生态更完美了
柳子超
2011.12.21 15:45于中山
1. 紫茎泽兰 2. 薇甘菊
3. 空心莲子草 4. 豚草
5. 毒麦 6. 互花米草
7. 飞机草 8. 凤眼莲
9. 假高梁 10. 蔗扁蛾
11. 湿地松粉蚧 12. 强大小蠹
13. 美国白蛾 14. 非洲大蜗牛
15. 福寿螺 16. 牛蛙
地中海实蝇，入侵美国的南美火蚁，还有入侵中国的加拿大一枝黄花，水葫芦等。
1.水葫芦在河道、湖泊、池塘中的覆盖率往往可达100 %，由于降低了水中的溶解氧，致使水生动物死亡。豚草优势度为0.85～1.0，群落多样性为0～0.62。
2.由于薇甘菊排挤本地植物，广东内伶仃岛上的猕猴缺少适宜的食料，目前只能借助于人工饲喂。
3.飞机草在西双版纳自然保护区的蔓延已使穿叶蓼等本地植物处于灭绝的边缘，依赖于穿叶蓼生存的植食性昆虫同样处于灭绝的边缘。
4.厦门鼓浪屿的猫爪藤攀爬绿化树木，在树冠上形成大片单优群落，影响树木光合作用导致死亡。
比如“水葫芦”学名凤眼蓝，别称水浮莲、假水仙。原产于委内瑞拉，后传播到世界上60多个国家外表很好看，浑身碧透，簇簇紫花绽放若热带兰，花瓣上偶尔可见黄、蓝斑点，作为盆景置于庭院，不比荷花逊色。上世纪60年代．水葫芦在国外已经声名狼藉，到处遭到斩杀。
水葫芦在各地抢占水面，影响航运．窒息鱼类，危害健康。长多了还影响船只通行。
我国曾将水葫芦当作度荒青饲料引入，后泛滥成灾，以闽台粤为甚。福建的水葫芦覆盖面积达300平方千米，盘踞了全省四分之一的湖塘库沟水域。目前，福建已打响了专项整治水葫芦的战役。
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