广西喀斯特地区植被覆盖度和净初级生产力对SPEI干旱指数的响应差异
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Response difference of fractional vegetation cover and net primary productivity to SPEI drought index in karst areas of Guangxi
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图2. 2000—2019年广西喀斯特地区年尺度SPEI(a)、FVC(b)和NPP(c)变化 |
Fig.2. The variation of SPEI (a), FVC (b) and NPP (c) at annual time scale in karst areas of Guangxi during 2000-2019 |
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