干旱区生态环境知识资源中心(Arid): 基于 PSR 模型的干旱绿洲灌区耕地集约利用评价

Arid

	基于 PSR 模型的干旱绿洲灌区耕地集约利用评价
其他题名	Evaluation of a PSR model based intensive utilization of cultivated land in the arid oasis i rrigation area
	乔蕻强; 陈英
来源期刊	干旱地区农业研究
ISSN	1000-7601
出版年	2015
卷号	33 期号:1 页码:238-243
中文摘要	以干旱绿洲灌区这一特殊沙漠边缘地带武威市为例,构建基于PSR模型的耕地集约利用评价体系,运用熵值法、极差标准化法及多因素综合评价法来评价耕地集约利用。结果表明:近年武威市耕地综合指数上升明显,从2010年的0.0805上升到2012年的0.1516,并与协调度指数保持一致;不同的区县表现出不同的耕地集约利用水平差异,2012年凉州区耕地集约利用度最高,达到0.5185,天祝县耕地利用度呈粗放状态,前者是后者的3.81倍。利用PSR模型评价结果与研究区的耕地实际利用情况相符,武威市干旱绿洲灌区耕地集约利用水平低,提升潜力很大。
英文摘要	With the modern urbanization speeding up in recent years,the contradiction between people and land has become more and more acute. As a result,the limited land supply has restricted the development of social economy. Therefore,using cultivated land intensively has become one of the core issues in the research field of land science. In this study,Wuwei,a city at the edge of the desert,was selected as a representation to establish the evaluation system of intensive cultivated land use based on PSR model. The entropy value method,comprehensive evaluation of range standardization method,and the method of multi factors were employed to evaluate the intensive use of land. The result indicated that in recent years,land composite index of Wuwei city increased rapidly from 0. 0805 in 2010 to 0. 1516 in 2012,similar to the coordination index. The result also showed that obvious regional diversities on the levels of intensive uses were observed in different cultivated lands. In 2012,the intensive use level of cultivated land in Liangzhou district presented the highest,which reached 0. 5185. Because Tianzhu county was still under unconstrained cultivation management,the intensive use level in Liangzhou was as 3. 81 times as that in Tianzhu. In conclusion,results from the evaluation using PSR model was consistent with the actual utilization of cultivated land in the target areas,and the intensive utilization of cultivated land was low in Wuwei, allowing potential improvement.
中文关键词	耕地 ; 集约利用 ; 干旱绿洲灌区 ; PSR模型 ; 武威市
英文关键词	cultivated land intensive utilization arid oasis irrigation area PSR model Wuwei city
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURAL ECONOMICS POLICY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5354173
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/232603
作者单位	甘肃农业大学资源与环境学院, 兰州, 甘肃 730070, 中国
推荐引用方式 GB/T 7714	乔蕻强,陈英. 基于 PSR 模型的干旱绿洲灌区耕地集约利用评价[J]. 甘肃农业大学,2015,33(1):238-243.
APA	乔蕻强,&陈英.(2015).基于 PSR 模型的干旱绿洲灌区耕地集约利用评价.干旱地区农业研究,33(1),238-243.
MLA	乔蕻强,et al."基于 PSR 模型的干旱绿洲灌区耕地集约利用评价".干旱地区农业研究 33.1(2015):238-243.