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林业科学 ›› 2005, Vol. 41 ›› Issue (5): 8-13.doi: 10.11707/j.1001-7488.20050502

• 论文及研究报告 • 上一篇    下一篇

苏北平原地区森林贡献与效率测算及分析

刘璨1 任鸿昌2 薛同良3 吴水荣4   

  1. 1.国家林业局经济发展研究中心,北京100714;2.中国科学院生态环境研究中心,北京100085;3.江苏省淮安市多管局,淮安210000;4.中国林业科学研究院,北京100091
  • 收稿日期:2003-12-11 修回日期:1900-01-01 出版日期:2005-09-25 发布日期:2005-09-25

Estimation and Analysis of Ecological Efficiency in the Plain Area

Liu Can1,Ren Hongchang2,Xue Tongliang3,Wu Shuirong4   

  1. 1.China National Forestry Economics and Development Research Centre Beijing 100714; 2.Research Center for Eco-Environmental Sciences,The Chinese Academy of Sciences Beijing 100085;3.Huai'an Multi-industry Bureau of Jiangsu Province Huai'an 210000; 4.Chinese Academy of Forestry Beijing 100091
  • Received:2003-12-11 Revised:1900-01-01 Online:2005-09-25 Published:2005-09-25

摘要:

以苏北地区1991—2001年的数据,采用随机前沿生产函数的效率模型和超越对数生产函数对农田林网和小片林对农业总产值、种植业产值和畜牧业产值的贡献程度进行计量并分析,结果表明:农田林网对上述3个产值的生态贡献率为负值,小片林对上述3个产值的生态贡献率为正值,林业、种植业和畜牧业之间存在明显的联合生产效果。需要扩大小片林面积和对现有农田林网进行适当改造,以期取得更好的效果。

关键词: 农田林网, 平原林业, 贡献率, 随机前沿生产模型, 农村经济

Abstract:

Agroforestry and small-scale forests were focused. Huai'an Prefecture, Jiangsu Province is selected as the case study area, stochastic frontier analysis and translog production function were used to analyze the ecological contributions of agroforestry and small-scale forests to agricultural gross production value, farming production value and husbandry production value. The analysis results show that the contributions of agroforestry to agricultural gross production value, farming production value and husbandry production value are negative, while the contributions of small-scale forests to the above are positive, in the meantime, there exist joint production effects among forestry, husbandry and farming, therefore, agroforestry and small-scale forests should be adjusted in order to gain higher ecological and economic returns.

Key words: agroforestry, forest resource in plain area, ecological contribution, stochastic frontier analysis, rural economy