| 张北县农田防护林经济效益分析 |
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| 引用本文： | 陆贵巧 李永江. 张北县农田防护林经济效益分析[J]. 河北林果研究, 1998, 13(3): 283-286 |
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| 作者姓名： | 陆贵巧 李永江 |
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| 作者单位： | 河北农业大学林学院，河北农大，张北县林业局 |
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| 摘 要： | 通过对张北县农田林个别年度及整体效益评价指标的计算，推算出林带收支平衡高度为４．６４ｍ，收支平衡年为７．５ａ，效益裣年为１５．３ａ，效益补偿高度为８．７ｍ。以此对张北县农田林网效益进行了分析，结果与实际基本吻合。
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| 关 键 词： | 农田林网 效益 评价指标 农田防护林 |
AN ANALYSIS ON THE ECONOMIC BENEFITS OF THE SHELTER FORESTS OF FARMLAND IN ZHANGBEI COUNTY |
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| Lu Guiqiao Gu Jiancai Yang Lufang Li Yongjiang Qiu Lixia. AN ANALYSIS ON THE ECONOMIC BENEFITS OF THE SHELTER FORESTS OF FARMLAND IN ZHANGBEI COUNTY[J]. Hebei Journal of Forestry and Orchard Research, 1998, 13(3): 283-286 |
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| Authors: | Lu Guiqiao Gu Jiancai Yang Lufang Li Yongjiang Qiu Lixia |
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| Abstract: | On the basis of the calculation on several annual evaluation indices of the whole benefits of the shelter forests of farmland in Zhangbei county, the balanced revenue and expenditure tree height for forest belts was culculated as 4 64 meters, the balanced revenue and expenditure time as 7 5 years, the benefit compensation time as 15 3 years, and the benefit compensation tree height as 8 7 meters. Then, the economic benefit of the shelter forests of farmland in Zhangbei county was analyzed. |
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| Keywords: | shelter forest of farmland benefit evaluation index Zhangbei county |
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