基于物候相机归一化植被指数估算高寒草地植物地上生物量的季节动态

陈哲, 汪浩, 王金洲, 石慧瑾, 刘慧颖, 贺金生

Estimation on seasonal dynamics of alpine grassland aboveground biomass using phenology camera-derived NDVI

CHEN Zhe, WANG Hao, WANG Jin-Zhou, SHI Hui-Jin, LIU Hui-Ying, HE Jin-Sheng

表1 生长季不同月份高寒草地手持式植物冠层光谱仪测量的归一化植被指数与地上生物量之间的相关性

Table 1 Pearson correlation coefficients between normalized difference of vegetation index measured by RapidSCAN and aboveground biomass of alpine grassland in different months of the growing season

月份 Month 样本数 No. of samples r p 5 56 0.80 <0.001 6 34 0.88 <0.001 7 64 0.67 <0.001 8 51 0.31 0.03 9 63 0.78 <0.001