Decision trees 1 Disease severity 1 First derivative 1 HyperSpectral 1 Hyperspectral image 1 Hyperspectral imaging 1 Hyperspectral imaging datum 1 Leaf trait 1 Leaf traits 1 Mangrove 1 Pest and disease severity Random forest modeling 1 Random forest regression 1 Reflection 1 Spectroscopy 1 Successive projection algorithm 1 Successive projections algorithm 1 Textures 1 Vegetation 1 accuracy assessment 1 algorithm 1 disease severity 1 environmental impact 1 imaging method 1 leaf area 1 mangrove 1 pest species 1 spectral analysis 1 spectroscopy 1