Definition | Observation point identification. | Plant area index (PAI) observed using LAI-2200 on MM DD, YYYY (PAIleafless). | PAI observed using LAI-2200 on MM DD, YYYY (PAIc_LAI-2200). | Leaf area index (LAI) observed using LAI-2200 on MM DD, YYYY (LAIc-2200). | LAI calibrated using a litter-fall LAI on MM DD, YYYY (LAIc). |