半干旱区气候变化背景下近20年内蒙古武川县耕地质量变化

耕地质量是国家经济和社会可持续发展的关键因素,气候变化引起的耕地质量变化已成为全球变化研究的热点问题之一。该文以我国北方典型半干旱气候敏感区武川县为例,利用1989—2009年历史气候数据和土地利用资料,研究了气候变化对生产潜力、标准耕作制度和产量的影响,在此基础上进一步研究了武川县耕地自然质量等指数和土地利用等指数的变化情况。结果表明:武川县气候呈显著干暖化趋势,在其影响下,武川县耕地自然质量等指数呈下降趋势,水分是制约自然质量等指数的关键因素;旱地土地利用等指数呈下降趋势,水浇地土地利用等指数则呈上升趋势。该研究能够为气候变化背景下制定土地利用制度,保护和提高耕地质量提供科学依据。...

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Published in农业工程学报 Vol. 29; no. 11; pp. 224 - 231
Main Author 王立为 安萍莉 潘志华 赫迪 董智强
Format Journal Article
LanguageChinese
Published 中国农业大学资源与环境学院,北京 100193%国土资源部农用地质量与监控重点实验室,北京 100193 2013
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ISSN1002-6819
DOI10.3969/j.issn.1002-6819.2013.11.029

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Summary:耕地质量是国家经济和社会可持续发展的关键因素,气候变化引起的耕地质量变化已成为全球变化研究的热点问题之一。该文以我国北方典型半干旱气候敏感区武川县为例,利用1989—2009年历史气候数据和土地利用资料,研究了气候变化对生产潜力、标准耕作制度和产量的影响,在此基础上进一步研究了武川县耕地自然质量等指数和土地利用等指数的变化情况。结果表明:武川县气候呈显著干暖化趋势,在其影响下,武川县耕地自然质量等指数呈下降趋势,水分是制约自然质量等指数的关键因素;旱地土地利用等指数呈下降趋势,水浇地土地利用等指数则呈上升趋势。该研究能够为气候变化背景下制定土地利用制度,保护和提高耕地质量提供科学依据。
Bibliography:11-2047/S
Cultivated land quality is a key factor of national economic and social sustainable development. The change of cultivated land quality with climate change has become one of the hot research areas in global change in recent years. Based on the meteorological data, soil information and field experimental data were used, utilizing the Wageninngen method recommended by the Food and Agriculture Organization (FAO) to calculate the potential productivity of potato and spring wheat from 1989 to 2009 in Wuchuan County, Inner Mongolia, a typical semi-arid climate-sensitive area in North China. We examined the influence of climate change on production potential, the standard cropping system, and the yield. Further, by the method of regulations of Farmland classification, we used the data of potential productivity and land use to analyze the changes of natural quality grades and utilization grades under climate change. The results showed that: (1) The annual temperature of Wuchuan County increased at an average
ISSN:1002-6819
DOI:10.3969/j.issn.1002-6819.2013.11.029