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
陈燕丽1(), 唐梅蓉2, 张会3, 莫建飞1, 钱拴4()
Response difference of fractional vegetation cover and net primary productivity to SPEI drought index in karst areas of Guangxi
CHEN Yanli1(), TANG Meirong2, ZHANG Hui3, MO Jianfei1, QIAN Shuan4()

图4. NPP与同时段SPEI相关性
(a)春季,(b)夏季,(c)秋季,(d)冬季,(e)全年

Fig.4. Correlation between NPP and SPEI in the same period
(a) spring, (b) summer, (c) autumn, (d) winter, (e) the whole year