河马灾难
所属栏目：绿色空间
所属频道：CCTV-10科教
年份：2010
展开全部
简介：非洲中南部赞比亚的草原上生活着许许多多的河马。它们是陆地上体型最大的哺乳动物之一，它们的大嘴每天就要吃掉大约40公斤的草。虽然雨水充沛的季节，泻湖与河流当中不乏食物，但干热季节到来的时候，它们就将食不果腹。饥渴袭来的时候，一种可怕的瘟疫竟也随着到来。瘟疫像魔鬼一样横扫卢安瓜河谷，许多河马开始死去。为什么瘟疫随干旱到来，它对于河马是一种怎样的灾难？随着干热季一起到来的炭疽热在河马们安家的卢安瓜河谷中肆虐，使得原本由于缺水和饥饿已经非常脆弱的生命更加难以承受。空气中，水源里到处都是炭疽热病菌，受到感染的河马一头又一头死去。河马找不到一个安全的地方躲避灾难，也没有办法对突然出现的疫病进行防御。不知道这场夺去许许多多河马生命的灾难要到何时才能够悄然退去？收起
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