世界上10大最有害的外来入侵物种(组图)(9)
2009-12-21 09:32:04
国际在线
【
大 中 小】
发表评论

9、泛滥成灾的亚洲鲤鱼
亚洲鲤鱼,又称为银鲤,可以长成重量超过100磅的大鱼,但这是以破坏生态系统为代价的。最初,引进它是为了清理美国南部鲶鱼池的海藻。由于数量增多,一些鲤鱼溜进了密西西比河及其支流,在这里,它们迅速泛滥成灾。中国成了潜在进口国,以缓解鱼灾。在中国,鲤鱼能够做成极其美味的佳肴,但由于过度捕捞,而几乎绝迹。所以在美国中部,有许多渔民开始捕捞银鲤,经过加工处理后卖往中国。这场水产业的灾难最终通过商业捕捞转化为经济利益。
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
|
404 Not Found
404 Not Found
nginx
|
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
|
404 Not Found
404 Not Found
nginx
|
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx
404 Not Found
404 Not Found
nginx