Journal article

Evolution of the vegetation system in the Heihe River basin in the last 2000 years

S Li, Y Zhao, Y Wei, H Zheng

Hydrology and Earth System Sciences | Published : 2017


Abstract. The response of vegetation systems to the long-term changes in climate, hydrology, and social–economic conditions in river basins is critical for sustainable river basin management. This study aims to investigate the evolution of natural and crop vegetation systems in the Heihe River basin (HRB) over the past 2000 years. Archived Landsat images, historical land use maps and hydrological records were introduced to derive the long-term spatial distribution of natural and crop vegetation and the corresponding biomass levels. The major findings are that (1) both natural and crop vegetation experienced three development stages: a pre-development stage (before the Republic of China), a r..

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