natural grassland type
天然草地类型
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分析了草地类型生态系统退化的现状、原因及其恢复途径,提出人工草地的建立是恢复退化天然草地的有效途径;
This paper analyzed the degradation actuality of natural grassland, its reasons and corresponding restoration ways. Natural restoration is the easiest way, but it is very slow.
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