Grassland desertification classifying method and application thereof
The invention relates to a grassland desertification classifying method and application thereof. The grassland desertification classifying method comprises partitioning a grassland, selecting multiplesamples from every partition, monitoring the total coverage of every sample as well as the percentag...
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| creator | ALATANSUHE YAN XIAOHONG YANG HONGYAN CHEN XIANG ZHANG JIAN ZHENG LINA XING QI LIU YALING DU YUFAN BAO WUYUN |
| description | The invention relates to a grassland desertification classifying method and application thereof. The grassland desertification classifying method comprises partitioning a grassland, selecting multiplesamples from every partition, monitoring the total coverage of every sample as well as the percentage occupied by the aboveground edible grass yield from the total aboveground grass yield in the summer and the winter of the same year, and removing the partitions, of which the annual changes of the total coverage of more than 90% of the samples are higher than 60% and the average total coverage islower than 10%; when four or more monitored indexes meet the standard of a corresponding level of desertified grassland, determining the grassland to be a desertified grassland of the corresponding level; when five or more monitored indexes fail to meet the standard of a corresponding level of desertified grassland, determining the grassland to be an undesertified grassland. The grassland desertification classifying metho |
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The grassland desertification classifying method comprises partitioning a grassland, selecting multiplesamples from every partition, monitoring the total coverage of every sample as well as the percentage occupied by the aboveground edible grass yield from the total aboveground grass yield in the summer and the winter of the same year, and removing the partitions, of which the annual changes of the total coverage of more than 90% of the samples are higher than 60% and the average total coverage islower than 10%; when four or more monitored indexes meet the standard of a corresponding level of desertified grassland, determining the grassland to be a desertified grassland of the corresponding level; when five or more monitored indexes fail to meet the standard of a corresponding level of desertified grassland, determining the grassland to be an undesertified grassland. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Grassland desertification classifying method and application thereof |
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