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4. NPP与同时段SPEI相关性 |
Fig.4. Correlation between NPP and SPEI in the same period |
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