savanna forest

基本解释

They found their amazement that modern forest and savanna elephants are as distinct from each other as Asian elephants and mammoths.
他們發現他們的驚奇，現代森林和稀樹草原的大象都從對方獨特的亞洲象和猛獁。
Most rhinoceroses are solitary inhabitants of open grassland, savanna , scrub forest, or marsh in eastern and southern Africa and tropical Asia.
大多數犀牛孤居在寬濶的草原，熱帶的稀樹大草原，灌木林或東南非和亞熱帶的沼澤裡。
Rapid expansion of soybean plantations in South America could displace 22 million hectares （54 million acres） of tropical forest and savanna in the next 20 years.
在南美洲，大豆種植麪積迅速擴大，這可能會導致未來20年熱帶森林和熱帶草原麪積減少2200萬公頃（5400萬英畝）。

And the implication is that what is currently savanna will become forest: we might assume that what is currently grasslands will become savanna as well.
FORBES: Global Warming Will Increase Tropical Forests