| 青海省天然草地退化程度分级指标初探 |
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| 引用本文： | 辛玉春,杜铁瑛.青海省天然草地退化程度分级指标初探[J].青海草业,2013,22(1):19-21,32. |
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| 作者姓名： | 辛玉春 杜铁瑛 |
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| 作者单位： | 青海省草原总站,青海西宁,810008 |
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| 基金项目： | 青海省自筹项目:青海省草地资源调查(青农草[2007]260号) |
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| 摘 要： | 通过野外实地调查，结合20世纪70年代、80年代的草地资源基础数据，参考国内外草地退化的分级标准，初步确定了青海天然草地退化的量化分级指标以及其他的辅助指标，进而将全省退化草地按退化程度划分为轻度、重度、中度3个等级，并指出了3个退化等级的表现特征和退化草地指示植物。
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| 关 键 词： | 天然草地 退化程度 分级指标 |
A PRELIMINARY STUDY ON INDEXES OF NATURAL GRASSLAND DEGRADATION CLASSIFICATION IN QINGHAI |
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| Institution: | XING Yu-chun et al(Grassland Station of Qinghai Province,Xining Qinghai 810008,China) |
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| Abstract: | In this paper, quantitative and other supplementary indexes veloped based on field survey indexes for natural grassland degradati data and grassland resource basis data of 20Century70s tion standards. Based on these indexes, grassland of ate degradation, and Severe degradati veloped for natural grassland degradation were de- on were developed based on field survey and 20Century80s, and international grassland degrada Qinghai is divided into 3 classes ： slight degradation, moder- on. And phenomenal characteristics and index species of each class are de- |
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| Keywords: | Natural Grassland Degradation degree Classify indexes |
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