Monitoring levels of cyanobacterial blooms using the visual cyanobacteria index (VCI) and floating algae index (FAI). - Yoichi Oyama; Takehiko Fukushima; Bunkei Matsushita; Hana Matsuzaki; Koichi Kamiya; Hisao Kobinata (Int. J. Appl. Earth Obs. Geoinformation, 2015)