Spatial-temporal Changes of Land Use in Wuding River Basin Under Ecological Restoration

WANG Ji-ping; CHENG Fu; WANG Ya-feng; CHEN Hong-bo; YU Qiang

doi:10.13961/j.cnki.stbctb.2014.05.050

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Spatial-temporal Changes of Land Use in Wuding River Basin Under Ecological Restoration

- Spatial-temporal Changes of Land Use in Wuding River Basin Under Ecological Restoration
- Bulletin of Soiland Water Conservation Vol. 33, Issue 5, Pages: 237-243(2014)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.05.050
  CLC：
- Published：2014
- 稿件说明：
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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：

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.

摘要

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。

Abstract

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.

关键词

Keywords

references

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