沁河流域(沁源段)农业生态系统健康评价
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摘要
在对沁河流域源头沁源县农业生态系统结构和功能分析的基础上,剖析农业生态健康的内涵。以沁源段为研究区域,构建基于系统资源禀赋、系统投入水平、系统产出能力3个准则层的农业生态系统评价体系,通过熵权法确定权重,采用综合指数法计算健康指数进行评价,揭示沁源县2011—2017年农业生态系统健康动态变化。结果表明,近7 a来,沁河流域(沁源段)农业生态系统未遭到较大程度的破坏,健康状况总体较好,健康综合指数整体呈现上升趋势。
Based on the analysis of the structure and function of the agricultural ecosystem in Qinyuan county, the author analyzed the connotation of agricultural ecological health. Taking Qinyuan section as research area, an agricultural ecosystem evaluation system based on three criteria layers of system resource endowment, system input level and system output capacity was constructed. The weight was determined by entropy weight method, and the comprehensive index method was used to calculate the health index for evaluation, to reveal the dynamic changes of agricultural ecosystem health in Qinyuan county from 2011 to 2017. The results showed that the agricultural ecosystem of Qinhe river basin(Qinyuan section)had not been damaged to a large extent in the past 7 years, and the overall health condition was very good. The overall health comprehensive index was on the rise.
Based on the analysis of the structure and function of the agricultural ecosystem in Qinyuan county, the author analyzed the connotation of agricultural ecological health. Taking Qinyuan section as research area, an agricultural ecosystem evaluation system based on three criteria layers of system resource endowment, system input level and system output capacity was constructed. The weight was determined by entropy weight method, and the comprehensive index method was used to calculate the health index for evaluation, to reveal the dynamic changes of agricultural ecosystem health in Qinyuan county from 2011 to 2017. The results showed that the agricultural ecosystem of Qinhe river basin(Qinyuan section)had not been damaged to a large extent in the past 7 years, and the overall health condition was very good. The overall health comprehensive index was on the rise.
引文
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[26]谢飞,顾继光,林彰文.基于主成分分析和熵权的水库生态系统健康评价:以海南省万宁水库为例[J].应用生态学报,2014,25(6):1773-1779.
[2]贺雪峰.地权的逻辑.Ⅱ:地权变革的真相与谬论[M].北京:东方出版社,2013.
[3]华璀,王艳,卢远.左江流域农业生态经济系统健康评价[J].江西农业大学学报,2010,32(2):403-410.
[4]武兰芳,欧阳竹,唐登银.区域农业生态系统健康定量评价[J].生态学报,2004,24(12):2740-2748.
[5]王俊涛.合肥市郊土壤-水稻系统中主要重金属元素的环境效应[D].合肥:合肥工业大学,2007.
[6] YIRIDOE E K,WEERSINK A. A review and evaluation of agroecosystem health analysis:The role of economics[J]. Agric Sys,1997,55:601-626.
[7] SOULE J D,PIPER J K. Farming in nature's image:An ecological approach to agriculture[M]. Washington:Island Press,1992.
[8] OKEY B W. System approaches an properties,and agroecosystem health[J]. Journal of Environmental Management,1996,48:187-199.
[9]章家恩,骆世明.农业生态系统健康的基本内涵及其评价指标[J].应用生态学报,2004,15(8):1473-1476.
[10]谢花林,李波,王传胜,等.西部地区农业生态系统健康评价[J].生态学报,2005,25(11):3028-3036.
[11]陈睿.西南地区农业生态和经济系统协调发展分析[J].中国农业资源与区划,2018,39(7):54-57.
[12]王静,尉元明.甘肃省农业生态系统健康评价[J].生态学杂志,2006(6):711-715.
[13]赵宏波,郑辉,苗长虹,等.东北粮食主产区农业生态系统健康格局与因子诊断:以吉林省为例[J].应用生态学报,2016,27(10):3290-3298.
[14]张伟.河南省农业供给侧结构调整的重点与改革对策[J].河南农业科学,2016,45(12):165-168.
[15]孙志高,李彬.山东省烟台市农业生态系统健康评价[J].山东农业大学学报(自然科学版),2004,35(1):95-101.
[16]刘排九,胡宝清,甘永萍.区域农业生态系统健康评价与可持续发展[J].生态环保,2006(8):61-62.
[17]谢花林,李波,刘黎明.基于压力-状态-响应模型的农业生态系统健康评价方法[J].农业现代化研究,2005(5):366-369.
[18]张良,程克龙,曹生奎,等.青海东部主要农业区县域农业生态系统健康评价[J].干旱地区农业研究,2012,30(1):204-210.
[19]吴国庆.区域农业可持续发展的生态安全及其评价研究[J].自然资源学报,2001,16(3):227-233.
[20]刘志鹏.沁河分区水资源开发利用探讨[J].水资源管理,2018(9):7-8,13.
[21]李贵和.沁源县志[M].北京:海潮出版社,1996:41-62.
[22]左海霞,李万明.农业供给侧改革背景下我国未来农业发展思考[J].山西农业科学,2018,46(1):122-125.
[23]田国珍,米晓楠,王志伟,等.山西省近10 a来农业气象灾害及其特征分析[J].山西农业科学,2018,46(11):1887-1892.
[24]胡诚,刘东海,乔艳,等.施用生物有机肥对土壤酶活性及作物产量的影响[J].华北农学报,2017,32(Z1):308-312.
[25]王艳,卢远,华璀.左江流域农业生态经济系统健康评价方法研究[J].广西师范学院学报,2010,27(1):70-76.
[26]谢飞,顾继光,林彰文.基于主成分分析和熵权的水库生态系统健康评价:以海南省万宁水库为例[J].应用生态学报,2014,25(6):1773-1779.