Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years

KANG Xuan; WANG Xuemei; CHAI Zhongping

doi:10.13961/j.cnki.stbctb.2016.05.003

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Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years

- Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years
- Bulletin of Soiland Water Conservation Vol. 36, Issue 5, Pages: 333-339(2016)
- 作者机构：
  
  1. 新疆师范大学地理科学与旅游学院,新疆,乌鲁木齐,830054
  2. 新疆维吾尔自治区重点实验室新疆干旱区湖泊环境与资源实验室,新疆,乌鲁木齐,830054
  3. 新疆农业大学草业与环境科学学院,新疆,乌鲁木齐,830052
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.05.003
  CLC：
- Published：2016
- 稿件说明：
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KANG Xuan, WANG Xuemei, CHAI Zhongping. Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 333-339.
DOI：

KANG Xuan, WANG Xuemei, CHAI Zhongping. Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 333-339. DOI： 10.13961/j.cnki.stbctb.2016.05.003.

摘要

[目的

]

对渭干河-库车河三角洲绿洲土地利用/覆被变化特征及其驱动因素进行研究，为维护绿洲生态系统健康、稳定提供依据。[方法

]

利用研究区1989，2001，2013年Landsat TM/ETM

的影像数据，采用动态度模型及转移矩阵等方法，深入分析该绿州土地利用/覆被变化特征，并结合气候因子、人口与经济要素分析其变化原因。[结果

]

（1）近25 a来该绿洲土地利用/覆被类型没有发生变化，但各类型的面积及所占比例都发生了较大变化。（2）研究期内，各地类面积呈二增四减趋势：耕地面积净增114.52%，主要是由草地及其他地类转化而来；盐碱地面积增加66.11%，林地、草地、水体与其他地类的面积均有所减少。[结论

]

近25 a来，该绿洲土地利用/覆被变化明显，其中，林地、草地、水体及盐碱地受自然因素主导，而耕地与其他地类则受人口和经济因素影响。

Abstract

[Objective] We aimed to study the changes of land use/cover and its influencing factors in Weigan-Kuqa river delta oasis

in order to provide the basis for the oasis ecosystem health maintenance.[Methods] This article selected Weigan-Kuqa river delta oasis as the study area. Landsat TM/ETM+ image data in the year of 1989

2001 and 2013 was collected. By dynamic model and land transfer matrix analysis

we analyzed the characteristics of land use/cover change and its driving factors including climatic

social and economic factors.[Results] (1) During the past 25 years

there was no change in the land use/cover type in the Weigan-Kuqa river delta oasis

but the proportion of each type changed greatly. (2) The area of cultivated land increased by 114.52%

which was mainly converted from grassland and other land. The area of saline land increased by 66.11%. In contrast

the area of woodland

grassland

water and other land use types decreased.[Conclusion] In recent 25 years

the land use/cover in Weigan-Kuqa river delta oasis changed greatly. The variation of woodland

grassland

water and saline land was driven by natural factors

while the variation of cultivated land and other land use types was driven by population and economic factors.

关键词

Keywords

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