Abstract
In order to monitor the temporal and spatial dynamics of vegetation in the Qaidam Basin, the ground-based vegetation biomass model of the basin was established by using basin ground measurements data during 2016-2018 and NDVI of MOD13Q1: Y=0.0002X2-0.863X+2052.4(R2=0.7656, P<0.01), and using this model to estimate the long-term aboveground biomass data set of the vegetation of basin. Above-ground biomass of vegetation is mainly low-yield vegetation of less than 1500 kg/hm2, followed by vegetation of 1500-3000 kg/hm2, the area of which accounts for less than 10% of the total vegetation area, and the vegetation of the other levels is very small, only scattered, High-yield vegetation which is greater than 6000 kg/hm2 is distributed in the southeast of the basin and in the alpine mountains around the basin
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