Spatial and temporal changes of forest cover and its driving factors over the Yellow River basin

doi:10.13474/j.cnki.11-2246.2023.0200

Abstract

Abstract: To investigate the spatio-temporal changes and driving factors of forest coverage from 1990 to 2020 in the Yellow River Basin, this study employs land use and land cover data, natural factors, and human activity data, and uses transfer matrix, Theil-Sen Median and Manna-Kendall trend analysis, and geographic detectors for research. The results show that: ①The forest coverage area has expanded in the Yellow River basin, with an increase of nearly 20 000 km². ②From 1990 to 2020, the forest coverage rate of 168 counties increased in the Yellow River basin, with only two counties showing a decrease in forest coverage. ③Based on geographic detectors, shortwave radiation has the greatest explanatory power for the distribution of forest coverage, while the interaction of rainfall and elevation has the strongest explanatory power in the analysis of factor interaction. This study can provide a scientific reference for the high-quality development of the ecological environment in the Yellow River basin.

Key words: Yellow River basin, forest cover, geographical detectors, trend analysis, driving factors

CLC Number:

P237

MA Jingjing, GAO Meiling, LI Zhenhong, XU Huihui, PENG Jianbing. Spatial and temporal changes of forest cover and its driving factors over the Yellow River basin[J]. Bulletin of Surveying and Mapping, 2023, 0(7): 51-57.

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