| 1949—2014年福建沿海沙地动态演变及其驱动因素 |
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| 引用本文： | 赵国帅,叶功富,王军邦.1949—2014年福建沿海沙地动态演变及其驱动因素[J].中国沙漠,2018,38(4):701-708. |
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| 作者姓名： | 赵国帅 叶功富 王军邦 |
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| 作者单位： | 1. 福建省林业调查规划院, 福建 福州 350003;2.福建省木麻黄工程技术研究中心, 福建 福州 350012;3. 福建省林业科学研究院, 福建 福州 350012;4. 中国科学院地理科学与资源研究所 生态系统网络观测与模拟重点实验室, 北京 100101 |
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| 基金项目： | 国家自然科学基金项目（41176092） |
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| 摘 要： | 福建是中国南方地区沙化土地面积较大的省份，是华南沿海沙地的典型分布区。为定期、准确掌握福建沿海沙化土地现状及动态变化趋势，按照国家要求，福建省已先后开展了5次（1994、1999、2004、2009、2014年）沙化监测工作。采用历次监测数据及前期相关历史资料、多期卫星遥感影像等，分析了1949—2014年福建沿海沙地动态演变特征及驱动因素。结果表明：65年来福建沿海沙地面积总体呈现减少趋势。1949—1989年，沿海沙地总量保持稳定，但不同类型之间转换频繁。1989—2014年，沿海沙地总量减少迅速，大量以森林为主的固定沙地（丘）和沙化耕地向以居民点、工矿建设用地和养殖用地为主的非沙化地转变。海岸侵蚀和岸线后退是导致沿海沙地减少的重要自然原因，1949年以来国家及地方的治沙造林政策和沙荒地开垦耕种是1949—1989年沙化土地变化的主要原因，沿海沙地的开发建设等人为活动是近25年间沿海沙地动态变化的主要驱动因素。
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| 关 键 词： | 福建 沙地 动态演变 驱动因素 |
| 收稿时间： | 2017-03-12 |
| 修稿时间： | 2017-04-23 |
Coastal Sandy Land Area Changes and its Drivers in Fujian,China in 1949—2014 |
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| Zhao Guoshuai,Ye Gongfu,Wang Junbang.Coastal Sandy Land Area Changes and its Drivers in Fujian,China in 1949—2014[J].Journal of Desert Research,2018,38(4):701-708. |
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| Authors: | Zhao Guoshuai Ye Gongfu Wang Junbang |
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| Institution: | 1. Fujian Institute of Forest Inventory and Planning, Fuzhou 350003, China;2. Fujian Casuarina equisetifolia Engineering Research Center, Fuzhou, 350012, China;3. Fujian Academy of Forestry, Fuzhou 350012, China;4. Key Lab of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Nature Resources Research, Chinese Academy of Sciences, Beijing 100101, China |
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| Abstract: | Fujian is one of the provinces with large sandy land, and is a typical representative of the coastal sandy land in southern China.In order to regularly and accurately understand the current situations and dynamic changes, the sandification were monitored and surveyed in five periods (1994, 1999, 2004, 2009 and 2014) in Fujian Province.Based on the investigated data, historical documents and remote sensing images, this study analyzed the dynamic characteristics and driving factors of coastal sandy land in Fujian from 1949 to 2014. The results indicated that the area of the sandy land in Fujian presented a decreasing trend during the past 65 years.The total amount of coastal sandy area remained relatively stable with the frequent conversions between different land types in 1949-1989.But from 1989 to 2014, the total amount of coastal sand was decreasing rapidly, and lots of forested sand (mound) and sandy farmland were transformed to non-sandy land including mainly residents, industrial and mining land and farmland.Coastal erosion and shoreline retreat would be important natural driver of reduce coastal sandy land.National and local policies of afforestation and wasteland cultivation were considered as the main reasons for the desertification land change in 1949-1989, while the changes in recent 25 years were mainly attributed to the quickly developments, construction and other human activities over coastal sandy land. |
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| Keywords: | Fujian province sandy land dynamic change driving factor |
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