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12d
入侵度比亚洲鲤鱼还猛,大如人类前臂的亚洲虎虾,为何在美国泛滥
很多国家,在不破坏原有生态系统的基础上,都会或多或少的引入其他国家的生物,以此来增加当地生态系统的食物链或是生物物种的多样性,让生态系统变得更加稳定。又或者通过引入新物种的方法,去解决本土出现的生态问题。但是在引入生物的时候,一定要注意对这些外来物种 ...
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12d
这种鱼号称水下狮子,在北美和亚洲鲤鱼称王称霸,几乎没有对手!
我们知道,在北美这片蛮荒大陆上,本土动物一直没有什么强大的感觉。这或许是因为欧洲殖民者对北美野生动物的疯狂掠夺,让北美的许多掠食动物很早就失去了存在感。或许是因为这样的原因,来自世界之外的物种一旦进入到北美的生态系统中,就会迅速扩张,成为王者。
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