The primary vegetation is broad leaf forest and it was denuded in the history. 當地的原始植被為常綠闊葉林和落葉闊葉林，但均遭到嚴重的破壞。
The first task to do so involves clarifying the contentious type of the original vegetation through pollen spore analyses. 黃土高原的原始植被到底是什么樣子，學(xué)者們說(shuō)法不一。
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