One theory behind savanna formation is that wet forest species are unable to withstand the dry season, and thus savanna, rather than rain forest, is favored on the site.
热带草原形成的理论之一，就是湿润的森林物种无法承受旱季，因此这更有利于热带草原，而不是热带雨林的形成。
“We don’t need more water in the dry season, and we don’t need less in the wet season, ” she said. “We would like to see the water as it is.”
她说，“在旱季我们不需要更多的水，在雨季我们也不用让水少点，我们就是希望让河流该怎么样就怎么样。”
As good water condition in wet season, soil enzyme activity is more obviously than dry season.
湿季由于较好的水分条件，土壤酶活性较干季显著增加。
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