长江流域资源与环境 >> 2010, Vol. 19 >> Issue (8): 890-.

• 农业发展 • 上一篇    下一篇

江苏省作物生产生态足迹分析与评价

黄艳娴| 朱利群| 卞新民   

  1. (南京农业大学区域农业研究所| 江苏 南京 210095)
  • 出版日期:2010-08-20

ECOLOGICAL FOOTPRINT ANALYSIS AND EVALUATION OF CROP PRODUCTION IN JIANGSU PROVINCE

HUANG Yanxian, ZHU Liqun, BIAN Xinmin   

  1. (Institute of Regional Agriculture,Nanjing Agriculture University, Nanjing 210095, China)
  • Online:2010-08-20

摘要:

依据生态足迹理论,提出基于作物生产特殊性的作物生产生态足迹模型来分析作物生产的生态盈亏。计算2007年江苏省作物生产生态足迹,并与传统模型计算的结果进行比较分析。从作物生产生态足迹模型的计算结果可以看出,江苏省作物生产生态足迹为 0.232270 亿hm2,生态承载力为 0.296463 亿hm2,生态盈余 0.028618 亿hm2。另外,江苏省各地市作物生产生态足迹空间差异较大,南京、无锡、苏州、常州和南通的作物生产出现生态赤字,其余地市作物生产则呈现不同程度的生态盈余。研究结果表明作物生产生态足迹模型能更为客观的分析一个地区的资源禀赋,易于减小由于模型设计不合理造成的生态赤字估算扩大化现象,计算结果可作为种植业生态影响评价重要参数。

Abstract:

According to the ecological footprint theory,the crop porduction ecofootprint model based on the particularity of crop production was presented in this paper,in order to analysis the ecological surplus and deficit of crop production.The crop production ecofootprint and its composition in Jiangsu Province were evaluated and analyzed by using the crop production ecofootprint model in 2007.The results were compared with those which were evaluated by traditional method,and the differences were analyzed among them.When using the crop production ecofootprint model as the evaluation criterion,the ecological footprint,the ecological capacity and the ecological surplus of Jiangsu Province crop production in 2007 would be 0.232270 billion hm2,0.442670 billion hm2,0.028618 billion hm2 respectively.In addition,it also suggested that there was a significant spatial difference according to the crop production ecofootprint among the cities of Jiangsu Province.The crop productions of Nanjing,Wuxi,Suzhou,Changzhou and Nantong were in ecological deficit state,while other cities appeared different degree of ecological surplus state.The study results show that the crop production ecofootprint model was more objectively to analyze the land resource endowment and easy to decrease the enlargement phenomenon of ecological deficit which was caused by unreasonably designed model.The results also could be used as an important parameter for ecological impact assessment of planting.

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