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| 喀斯特石漠化与人类活动响应的定量研究以广西都安县为例 | |
| 其他题名 | Quantitative Study on the Karst Rocky and its Response to Human Activity |
| 黄秋燕; 吴良林 | |
| ISSN | 0517-6611 |
| 出版年 | 2008 |
| 卷号 | 36期号:21页码:9228-9231 |
| 中文摘要 | 利用TM遥感影像及其他相关数据,结合地面调查与GIS技术提取广西都安县的石漠化空间分布信息,选取该区域人口密度、经济密度、土地利用程度、离民居点和道路的距离等因素,定量研究了喀斯特石漠化发生率与人类活动强度的关系。结果表明：当人口密度超过一定阈值时,人口密度对石漠化强度有较明显的影响;经济密度对石漠化的产生具有普遍影响;土地利用程度指数对石漠化的影响明显;离民民点和道路越近,人类活动强度对石漠化的影响越大。强度石漠化、中度石漠化、轻度石漠化分布面积在离居民点和道路距离的第一个缓冲区内比例最高。 |
| 英文摘要 | With TM data,the spatial data of karst rocky desertification in Duan County was drawn based on the field investigation and GIS,with the factors indicating the intensity of human activity such as population density,economy density,intensity of land use and the region near to the residential area and road.In this paper,the relation between the rate of karst rocky desertification and the intensity of human activity was studied.The results indicated that population density affected more obviously kasrt rocky desertification when it was beyond certain value.It was common that the economy density affected karst rocky desertification.High intensity index of land-using gave obviously effect on karst rocky desertification.The intensity of human activity in the region near to the residential area and road were strong and the influence on karst rocky P was bigger also.Intense,moderate and slight rocky desertification lands were distributed in the first buffer outside where the human activity intensity was biggest particularly. |
| 中文关键词 | 石漠化 ; 人类活动 ; 响应 ; 广西都安县 ; 定量研究 |
| 英文关键词 | Karst rocky desertification Human activity Response Duan County of Guangxi Quantitative study |
| 语种 | 中文 |
| 国家 | 中国 |
| 收录类别 | CSCD |
| WOS类目 | ENVIRONMENTAL SCIENCES |
| WOS研究方向 | Environmental Sciences & Ecology |
| CSCD记录号 | CSCD:3378603 |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/221965 |
| 作者单位 | 广西师范学院资源与环境科学学院, 南宁, 广西 530001, 中国 |
| 推荐引用方式 GB/T 7714 | 黄秋燕,吴良林. 喀斯特石漠化与人类活动响应的定量研究以广西都安县为例[J],2008,36(21):9228-9231. |
| APA | 黄秋燕,&吴良林.(2008).喀斯特石漠化与人类活动响应的定量研究以广西都安县为例.,36(21),9228-9231. |
| MLA | 黄秋燕,et al."喀斯特石漠化与人类活动响应的定量研究以广西都安县为例".36.21(2008):9228-9231. |
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