宁夏贺兰山森林资源-九九云书库

　　　　

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宁夏贺兰山森林资源

作者：李志刚,王泽鹏,楼小钦

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mobi/epub/pdf/awz3

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内容简介:

贺兰山是宁夏森林面积和类型分布较多的地区之一。其森林资源对维护宁夏平原生态平衡和保护生物多样性具有极其重要的意义。宁夏贺兰山国家级自然保护区面积193535.68hm2，占宁夏国土总面积的3.73%。其中，森林面积27609.0hm2，森林覆盖率14.3%，活立木总蓄积132.07m3，占宁夏活立木总蓄积的4.7%。

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