热带稀树草原

约二百万年前，这些直立猿人在非洲的热带稀树草原进化

These upright apes evolved on the African savanna about two million years ago ,

这里有东非最大最完整的热带稀树草原。

The largest intact savanna in East Africa .

两者皆生活在茂密的丛林到热带稀树草原，以小家族群形式活动，由年老母象带领。

Elephants live in habitats ranging from thick jungle to savanna , in small family groups led by old cows .

错误叠加能够解释为何复杂的生态系统（比如雨林）往往比简单的生态系统（比如热带稀树草原）更为脆弱。

Error cascades can explain why complex ecosystems ( like rainforests ) tend to be more fragile than simple ones ( like savannahs ) .

中国东亚飞蝗新类型蝗区&海南热带稀树草原蝗区的生态地理特征及其与大沙河蝗区比较

A new type of locust area in china ── the ecological geography characteristics of the tropical savannah locust area in Hainan as compared with the river delta type of locust area

毕竟，充满捕食者的热带稀树大草原并不是一个会让人分心的地方。

A savanna full of predators , after all , was not a place to get distracted .

理想的热带稀树大草原风景是最显著的例证之一，在世界各地的人都能找到有相似的视觉体验的美。

The ideal savanna landscape is one of the clearest examples where human beings everywhere find beauty in similar visual experience .

海南岛西部是我国唯一的热带稀树干草原沙漠化地区，是热带沙漠化土地类型、沙漠化过程十分典型的区域。

The west of Hainan Island is the only sandy desertification district of the tropical dry grasslands with sparse trees in my country , and it is very typical of the sandy desertification types and course .