Short-range multispectral imaging is an inexpensive, fast, and accurate approach to estimate biodiversity in a temperate calcareous grassland by Jackson, J, Lawson, CS, Adelmant, C, Huhtala, E, Fernandes, P, Hodgson, R, King, H, Williamson, L, Maseyk, K, Hawes, N, Hector, A, Salguero-Gomez, R