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出 处:《安徽农业科学》2016年第7期259-263,共5页Journal of Anhui Agricultural Sciences
基 金:国家社会科学一般项目(15BMZ058)
摘 要:在对现有研究现状进行简单评述的基础上,以地处西北内陆干旱区黑河中游的民乐县和临泽县为典型研究单元,以2000~2010年农村社会经济指标数据为基础,运用数理统计的理论与方法,构建了包括功效函数、协调函数、协调度以及协调度等级在内的农业生态经济系统协调度测度理论和模型,结合研究区实际,建立了农业生态经济系统评价指标体系,并进行了实证测度。结果表明:2000~2013年,研究区区域农业生态经济系统处于一种极度失调状态。民乐县的区域协调度虽然2000~2004年略有上升,但此后又开始了波动式的下降,其协调度等级也相应地经历了由"严重失调—极度失调—中度失调—低度失调—严重失调—高度失调"的发展过程。同样,临泽县的农业生态经济区域协调度和协调等级也大致呈现出类似的变化趋势。2000~2013年子系统的测度结果再次表明,除了经济子系统从原来的严重失调优化为中高度协调外,民乐县和临泽县生态子系统依次为2级和3级、社会子系统分别为4级和3级,均处于高度和低度失调状态。在此基础上,就进一步优化农业生态经济系统提出了几点对策建议。On the basis of viewing the present research progress of ecological agriculture,we took Minle County and Linze County located in the middle reach of Heihe river as the typical research units. Based on the rural social and economic data during the period of 2000-2010,theory and method of mathematical statistics were used to establish the measure theory and model of agricultural ecological economic system harmony coefficient,including power function,coordination function,harmony coefficient and rank of harmony coefficient. Combining with the actual situation of research region,evaluation index system of agricultural eco-economic system was established; and demonstration measure was carried out. Results showed that the regional agricultural eco-economic system( RAES) in research region was in a serious imbalance in 2000-2013. The harmony coefficient of Minle showed a little rise from 2000 to 2004,and then presented a fluctuating decline. Its rank of harmony coefficient experienced serious imbalance-extremely imbalance-moderate imbalance-low imbalance-serious imbalance-high imbalance. At the same time,the similar tendency was happened in Linze County. The measuring results of sub-system in 2000-2013 further indicated that except that that the harmony coefficient of economic sub-system in Minle county and Linze county was moderate and high,the ecological sub-system belonged to level 2and 3; social sub-system were levels 4 and 3,which were at high and low imbalance status. Finally,several countermeasures were put forward on optimizing agricultural eco-economic system.
分 类 号:S-9[农业科学] TV213.4[水利工程—水文学及水资源]
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