Aerial recon to save ?ōhi?a wins 糖心Vlog官方 Hilo geographer $70K
糖心Vlog官方 Hilo Associate Professor Ryan Perroy won The ʻŌhiʻa Challenge and a $70,000 prize for his innovative use of drones and remote sensing devices to improve detection of Rapid ʻŌhiʻa Death.
