Hyperspectral drone images indicate that green shoulder indices are robust in pre-emergence detection of spruce bark beetle infestation across spatial and temporal scales
Luiz Henrique Elias Cosimo,Eva Lindberg,Henrik Persson,Jonas Bohlin,and Langning Huo
Luiz Henrique Elias Cosimo
Department of Forest Resource Management, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden