1. 国家林业局 盐碱地研究中心,北京,100091
2. 中国林业科学研究院 荒漠化研究所,北京,100091
3. 中国科学院 生态环境研究中心,北京,100041
4. 环境保护部 环境工程评估中心,北京,100012
5. 北京林业大学 林学院,北京,100083
纸质出版:2014
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王计平, 程复, 汪亚峰, 等. 生态恢复背景下无定河流域土地利用时空变化[J]. 水土保持通报, 2014,33(5):237-243.
WANG Ji-ping, CHENG Fu, WANG Ya-feng, et al. Spatial-temporal Changes of Land Use in Wuding River Basin Under Ecological Restoration[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 237-243.
王计平, 程复, 汪亚峰, 等. 生态恢复背景下无定河流域土地利用时空变化[J]. 水土保持通报, 2014,33(5):237-243. DOI: 10.13961/j.cnki.stbctb.2014.05.050.
WANG Ji-ping, CHENG Fu, WANG Ya-feng, et al. Spatial-temporal Changes of Land Use in Wuding River Basin Under Ecological Restoration[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 237-243. DOI: 10.13961/j.cnki.stbctb.2014.05.050.
以恢复林灌草植被为核心的黄土高原生态建设的直接结果就是引起了土地利用格局变化。选取黄河中游区无定河流域为对象
以1985
1995
2000和2008年土地利用数据为基础
综合运用GIS分析技术、土地利用动态分析方法与模型
系统研究了生态恢复背景下流域土地利用时空变化过程。结果表明
草地始终是该流域优势土地利用类型
生态恢复以大规模治理沙荒及未利用地
恢复林草地景观为主要形式;随着退耕还林还草工程实施与推进
耕地转出明显
林、草地新增明显;1995年前后
流域土地利用类型相互频繁流转
土地利用总动态度在2000年达到了最高水平;在植被恢复因素驱动下
流域土地利用重心空间漂移明显
主要表现为耕地重心均向流域东部下游地区偏移
林、草地重心向西北方向偏移。
In the Loess Plateau
restoring vegetation(grass
shrub
or tree)
as the core of the ecological construction
directly caused the changes of the land use patterns. Based on the land use data of 1985
1995
2000 and 2008
using GIS and statistical methods
the authors analyzed the spatial-temporal changes of land use of Wuding River basin located in the middle reach of the Yellow River. The results showed that grassland had always been the dominant landscape
and recovering forest and grassland were the main form of ecological restoration through combating desertification and restoring vegetation. With the implementation of the grain for green project
forest and grassland expanded significantly
while the farmland area had been declining. Around 1995
the mutual transformation between land use types was more obvious
and the land-use comprehensive dynamic change rate was reached maximum level. Droven by the vegetation restoring
the gravity center of land use types moved significantly. The main features of the migration was that the core of farmland moved towards east of the downstream area
while the core of forest and grassland moved northwest on the whole.
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沈瑞昌,吴秀芹,朱清科.黄土区适宜性植物群落优化配置:以陕西省延安市吴起县为例[J].干旱区资源与环境,2010,24(4):150-155.
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Wang Yafeng, Fu Bojie, Lü Yihe, et al. Effects of vegetation restoration on soil organic carbon sequestration at multiple scales in semi-arid Loess Plateau, China[J]. Catena, 2011,85(1):58-66.
李裕元,邵明安,郑纪勇,等.黄土高原北部草地的恢复与重建对土壤有机碳的影响[J].生态学报,2007,27(6):2279-2287.
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胡婵娟,刘国华,陈利顶,等.黄土丘陵区坡面尺度上不同植被格局下植物群落和土壤性质研究[J].干旱区地理,2012,35(5):787-794.
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吴见,刘民士,李伟涛.不同地形条件下植被盖度信息提取技术研究[J].植物生态学报,2013,37(1):18-25.
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王计平,杨磊,卫伟,等.黄土丘陵区景观格局对水土流失过程的影响:观水平与多尺度比较[J].生态学报,2011,31(19):5531-5541.
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岳徳鹏,王计平,刘永兵,等.京郊西北地区农地利用与景观格局时空特征[J].农业工程学报,2008,24(6):89-95.
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