热带雨林生态系统分布在赤道南北的热带界线内，是地球上面积最大、对人类生存环境影响最大的森林生态系统。常分为三个区域：南美洲亚马孙平原；非洲热带雨林地区和印度一马来热带雨林区。 热带雨林是“地球之肺”，在大气的碳氧平衡中发挥着举足轻重的作用。近年来温室效应的加剧也与热带雨林生态系统遭到破坏有很大的关系。
在所有正在濒临灭绝的物种中，反应最为剧烈的应该是珊瑚礁吧。珊瑚礁是海洋的热带雨林，是许多海洋生态系统的基础。
Of all the extinctions now taking place, perhaps the most dramatic is that of coral reefs, the rain forests of the oceans and a foundation of many Marine ecosystems.
甚至生态系统，比如热带雨林，没有可变的降雨量，但由于定期下暴雨和减少树木，该地带有了变化的内在动力。
Even ecosystems, such as tropical rain forests, which don't have variable rainfall, also have patch dynamics due to periodic storms and tree falls.
拯救热带雨林是对付全球变暖的最有效的办法之一，而且也有助于保护一些地球上处境最危险的物种和生态系统。
Saving rainforests is one of the most effective ways to fight global warming, as well as helping to preserve some of the Earth's most imperilled species and ecosystems.
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