id author title date pages extension mime words sentences flesch summary cache txt work_w3r6axdwmbhwxjmjyunehvztxi Tomoharu Inoue Utilization of ground-based digital photography for the evaluation of seasonal changes in the aboveground green biomass and foliage phenology in a grassland ecosystem 2015.0 9 .pdf application/pdf 7447 779 61 Utilization of ground-based digital photography for the evaluation of seasonal changes in the aboveground green biomass and foliage phenology in a grassland ecosystem aboveground green biomass and foliage phenology in a short-grass grassland in Japan. Seasonal change in a camera-based index (rG: ratio of green channel) estimating aboveground green biomass and monitoring foliage phenology in short-grass grasslands in Japan. Ma et al., 2010; Xiao et al., 1996; Zhang and Skarpe, 1996); and (2) regional or global scale investigations based on satellite remote-sensing observations (e.g., Kawamura et al., 2005; Xu et al., 2008; Yang et al., 2009). with a digital camera and gathered monthly measurements of ecological variables (aboveground green biomass and spectral reflectance of Seasonal changes in RGB channels and camera-based vegetation index Seasonal changes in RGB channels and camera-based vegetation index Seasonal changes in foliage phenology and aboveground green biomass Seasonal changes in foliage phenology and aboveground green biomass ./cache/work_w3r6axdwmbhwxjmjyunehvztxi.pdf ./txt/work_w3r6axdwmbhwxjmjyunehvztxi.txt