Abstract:By the aid of the ARC/INFO 7 2 1 and ERMapper 5 5,using the ground meteorological data and NOAA AVHRR NDVI data,we estimated the light utilization efficiency( ε )of the vegetation in Guangdong Province,which lies in subtropical and tropical monsoon climate zone The results showed that the maximum achievable light utilization efficiency(0 389gC MJ -1 ),which was calculated by Potter et al and Field et al and etc ,was underestimated in Guangdong The measured annual mean in Guangdon...