UAV-derived greenness and within-crown spatial patterning can detect ash dieback in individual trees. - Flynn, W. R. M.; Grieve, S. W. D.; Henshaw, A. J.; Owen, H. J. F.; Buggs, R. J. A.; Metheringham, C. L.; Plumb, W. J.; Stocks, J. J.; Lines, E. R. (Ecological Solutions & Evidence, 2024)