| 张北县退耕还林对粮食生产的影响分析 |
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| 引用本文： | 张志东,黄选瑞,张玉珍,聂犇,胡玉山. 张北县退耕还林对粮食生产的影响分析[J]. 林业科学, 2004, 40(5): 10-15 |
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| 作者姓名： | 张志东 黄选瑞 张玉珍 聂犇 胡玉山 |
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| 作者单位： | 河北农业大学,保定,071000;内蒙古呼和浩特满都海公园,呼和浩特,010019;河北省张家口市林业勘察设计院,张家口,075000 |
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| 基金项目： | 本项研究得到“河北省坝上地区退耕还林综合研究”资助。 |
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| 摘 要： | 退耕还林是退化生态系统恢复的一种有效途径 ,但在一定程度上必然会影响到区域粮食安全。本文以河北省张北县作为案例 ,对退耕还林还草可能对当地造成的粮食生产影响进行了分析。利用最小人均耕地面积和耕地压力指数模型对该县各乡镇进行了粮食安全评价 ,在此基础上 ,构建了张北县退耕还林还草工程调控机制 ,以确保退耕还林 (草 )工程持续、稳定、健康地进行。
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| 关 键 词： | 张北县 退耕还林还草 粮食安全 调控机制 |
| 文章编号： | 1001-7488(2004)05-0010-06 |
| 修稿时间： | 2004-01-16 |
Analysis of the Impact of Converting Cropland to Forest and Grassland on Grain Production in Zhangbei County |
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| Zhang Zhidong Huang Xuanrui Zhang Yuzhen. Analysis of the Impact of Converting Cropland to Forest and Grassland on Grain Production in Zhangbei County[J]. Scientia Silvae Sinicae, 2004, 40(5): 10-15 |
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| Authors: | Zhang Zhidong Huang Xuanrui Zhang Yuzhen |
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| Affiliation: | Zhang Zhidong Huang Xuanrui Zhang Yuzhen (Hebei Agricultural University Baoding 071000) Nie Ben (Manduhai Park of Huhehaote City in Neimenggu Autonomous Region Huhhot 010019) Hu Yushan (Academy of Forest Inventory & Planning of Zhangjiakou City in Hebei Province Zhangjiakou 075000) |
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| Abstract: | The conversion of cropland to forestland or grassland is an effective way to restore degraded ecosystem.However, to some extent,it may necessarily influence the food security of some regions.This paper took Zhangbei County of Hebei Province as an sample of research object and analysed the impact of conversion of cropland to forestland or grassland on grain production.According to the model of minimum cultivated area per capita and the index of farmland pressure, the evaluation of food security in the villages and towns of Zhangbei County was conducted.Based on the evaluation of food security, the regulative mechanism for the project of the conversion of cropland to forestland or grassland was built up,which ensure that the project of the conversion of cropland to forestland or grassland was executed more sustainedly,steadily and healthily. |
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| Keywords: | Zhangbei County Conversion of cropland to forest and grassland Food security Regulative mechanism |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
