1986—2020年黄河流域十大孔兑土地利用变化及驱动力分析

娄佳乐; 党晓宏; 蒙仲举; 张昊; 宋慧芳

doi:10.13870/j.cnki.stbcxb.2024.01.031

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1986—2020年黄河流域十大孔兑土地利用变化及驱动力分析

更新时间：2025-03-12

- 1986—2020年黄河流域十大孔兑土地利用变化及驱动力分析
- Land Use Change and Driving Force Analysis of the Ten Tributaries Basin in the Yellow River Basin from 1986 to 2020
- 水土保持学报 2024年38卷第1期页码：319-327
- 作者机构：
  
  1. 内蒙古农业大学沙漠治理学院,呼和浩特,010018
  2. 包头市林业和草原局,内蒙古,包头,014030
- 作者简介：
  
  [ "娄佳乐(1999—),男,硕士研究生,主要从事水土保持与荒漠化防治研究。E-mail:ljl15628390832@163.com" ]
- 基金信息：
  
  内蒙古自治区"科技兴蒙"行动重大专项(KJXM-EEDS-2020006-4-01);国家自然科学基金项目(41967009)
- DOI：10.13870/j.cnki.stbcxb.2024.01.031
  中图分类号： S157.2;F301.24
- 纸质出版：2024
- 稿件说明：
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娄佳乐, 党晓宏, 蒙仲举, 等. 1986—2020年黄河流域十大孔兑土地利用变化及驱动力分析[J]. 水土保持学报, 2024,38(1):319-327.

LOU Jiale, DANG Xiaohong, MENG Zhongju, et al. Land Use Change and Driving Force Analysis of the Ten Tributaries Basin in the Yellow River Basin from 1986 to 2020[J]. 2024, 38(1): 319-327.
娄佳乐, 党晓宏, 蒙仲举, 等. 1986—2020年黄河流域十大孔兑土地利用变化及驱动力分析[J]. 水土保持学报, 2024,38(1):319-327. DOI： 10.13870/j.cnki.stbcxb.2024.01.031.

LOU Jiale, DANG Xiaohong, MENG Zhongju, et al. Land Use Change and Driving Force Analysis of the Ten Tributaries Basin in the Yellow River Basin from 1986 to 2020[J]. 2024, 38(1): 319-327. DOI： 10.13870/j.cnki.stbcxb.2024.01.031.

摘要

[目的] 十大孔兑是黄河几字湾的重要组成部分

生态环境敏感脆弱

开展其土地利用变化与驱动力分析对黄河流域高质量发展具有重要生态意义。[方法] 对十大孔兑基于1986年、2000年、2010年、2020年4期遥感影像

运用ArcMap 10.8空间分析法和主成分分析法系统分析其土地利用变化情况及驱动因素。[结果] 林地、建设用地、耕地呈逐期扩张趋势

未利用地、草地、水域呈逐期缩减趋势

截至2020年林地成为占地面积最大地类

面积达6 308.43 km2

占总面积的59.99%。2010—2020年综合动态度最高

达1.59 %

表明土地利用变化在2010—2020年变化最为剧烈。平原区地势平坦

耕地和建设用地在此扩张明显;风沙区在生态治理政策与工程作用下

未利用地向林草地转变

在风沙区东部尤为明显

而在风沙区中部则小比例转变为光伏发电建设用地;丘陵区主要由未利用地转变为林地

由于区域工矿业发达

丘陵区东南部极小部分林地转变为城乡工矿建设用地;水域在孔兑内部共减少75.81 km2

而耕地除北部平原区扩张外

在孔兑沿岸增加明显。土地利用变化主要受社会经济、农业生产力、地势、政策驱动变化。[结论] 近35年来

十大孔兑土地利用变化较大

整体生态向好的方向发展较为明显。该研究结果可为决策部门制定黄河流域生态保护政策提供科学参考。

Abstract

[Objective] The Ten Tributaries Basin

an important part of Yellow River Jizi Bay

exhibits a sensitive and fragile ecological environment. Investigating the alterations in land use and identifying the driving forces behind these changes are essential for fostering high-quality development within the Yellow River Basin

which holds significant ecological implications. [Methods] Employing remote sensing images from the years 1986

2000

2010 and 2020

This study analyzed the land use changes in the Ten Tributaries Basin using the spatial analysis via ArcMap 10.8 and Principal Component Analysis (PCA). [Results] The results showed a gradual expansion in forestland

construction land

and cultivated land over the periods studied

while unused land

grassland

and water bodies demonstrated a reduction trend. By 2020

forestland had emerged as the predominant land category

covering an area of 6 308.43 km2

accounting for 59.99% of the total area. The highest comprehensive dynamic attitude was observed between 2010 and 2020 at 1.59%

indicating the most substantial changes in land use during this period. The plain area

with its relatively flat terrain

witnessed expansions in cultivated land and construction land. In contrast

due to ecological management policies and projects

the sandstorm area saw a transformation of unused land into forestland and grassland

especially evident in the eastern sandstorm area. A small proportion transformed into photovoltaic power generation areas in the central sandstorm area. In the hilly area

the primary shift was from unused land to forestland

although a minimal conversion from forestland to industrial and mining area occurred in the southeastern hilly area due to the region’s advanced industrial and mining activities. Water bodies within the Tributaries Basin decreased by 75.81 km2

whereas the cultivated land along the coast increased significantly

except in the northern plain area. Land use change was mainly driven by socio-economic factors

agricultural productivity

topographical conditions

and policy initiatives. [Conclusion] Over the past 35 years

the Ten Tributaries Basin has experienced considerable land use changes

with a notable positive shift in overall ecological conditions. The results of this study provide a scientific reference for policy-making entities in formulating ecological protection policies within the Yellow River Basin.

关键词

Keywords

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