Soil Erosion Dynamic based on Landscape Pattern in Xingguo County of Jiangxi Province

WANG Ku

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Soil Erosion Dynamic based on Landscape Pattern in Xingguo County of Jiangxi Province

更新时间：2024-11-07

- Soil Erosion Dynamic based on Landscape Pattern in Xingguo County of Jiangxi Province
- Vol. 17, Issue 4, Pages: 94-97(2003)
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  CLC： S157.1
- Published：2003
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WANG Ku. Soil Erosion Dynamic based on Landscape Pattern in Xingguo County of Jiangxi Province[J]. 2003, 17(4): 94-97.
DOI：

WANG Ku. Soil Erosion Dynamic based on Landscape Pattern in Xingguo County of Jiangxi Province[J]. 2003, 17(4): 94-97. DOI：

摘要

利用1958年、1975年、1982年和1996年的土壤侵蚀强度等级图

在GIS软件支持下生成土壤侵蚀强度栅格分类图。通过FRAGSTATS景观格局分析软件计算出了10多种景观类型参数

并从斑块类型水平和景观水平2个层次上定量地分析了兴国县土壤侵蚀的分布格局及其变化规律。结果表明:兴国县的土壤侵蚀状况从1958年到1996年已发生了明显的好转。此期间经历了两个明显的时期:即1958年到1975年的侵蚀加剧时期和1975年后的侵蚀减退期。到1996年

兴国县无明显侵蚀的面积已达到全县面积的74.6%

严重土壤侵蚀状况已基本得到了控制。

Abstract

Based on the soil erosion maps in 1958

1975

1982 and 1996

GIS software was used to produce soil erosion grid maps. More than 10 landscape index were calculated using the landscape structure analysis program FRAGSTATS. Quantitative analysis of soil erosion pattern and its dynamic evolution were conducted at class level and landscape level. The results indicated that the soil erosion status in Xingguo county was improved greatly from 1958 to 1996. There are two pronounced periods

including exacerbation period from 1958 to 1975

and alleviation period after 1975. The area of inapparent soil erosion reached 74.6% by the end of 1996. The status of serious soil erosion had radically been controlled up to that time.

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