从城市到自然:中国西南部的一个连续的景观梯度测绘框架
Jiahao Fang1, Shaoyao Zhang2, Wei Deng3
1College of Geography and Resources Science, Sichuan Normal University, 610101, Chengdu, China.
Journal of environmental management
|November 27, 2025
概括
本研究引入了一个新的框架来分析35年来中国西南地区的城市-郊区-农村-自然 (USRN) 景观梯度. 关键发现揭示了显著的景观变化,特别是在农村和郊区,影响可持续发展战略.
科学领域:
- 景观生态学 景观生态学
- 地理信息系统 (GIS) 是指地理信息系统.
- 可持续发展研究 可持续发展研究
背景情况:
- 景观转型是由城市化和农村发展驱动的,创造了一个连续的城市-郊区-农村-自然 (USRN) 梯度.
- 了解这种USRN梯度的时空动态对于有效的可持续发展政策至关重要.
研究的目的:
- 开发一个综合框架,结合不透水表面和耕地数据,用于分析USRN梯度.
- 为了研究过去35年来中国西南地区USRN景观梯度的时空演变.
主要方法:
- 开发了一个综合框架,使用无透面积和耕地数据.
- 使用具有经验值的识别矩阵,通过形态空间模式分析 (MSPA) 方法进行优化.
- 从1985年到2020年,分析了中国西南地区的时空景观演变.
主要成果:
- 开发的USRN数据集显示出高空间完整性,平均R2>0.8.8.
- 2006年确定了中国西南部景观变化的拐点,四川盆地早些时候的城市化和云南-贵州高原的重大变化.
- 农村地区的变化强度最高,郊区的变化速度最快,自然地区的变化趋势相反.
结论:
- 该研究提供了对沿USRN梯度的景观动态和时空演变特征的系统理解.
- 通过澄清景观转型模式,研究结果提高了对可持续发展目标的评估.
- 综合框架为监测和管理快速发展地区的景观变化提供了强有力的方法.
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