PeerJ Author 35 Points Contributions by role Preprint Author 35 Contributions by subject area Spatial and Geographic Information Systems Gianluca Massei PeerJ Author Summary Agricultural Science Environmental Sciences Spatial & Geographic Information Systems Past or current institution affiliations University of Perugia PeerJ Contributions Preprints 1 June 30, 2016 - Version: 1 Monitoring natural and rural ecosystems using the NDVI anomaly: an application to the Umbria Region Gianluca Massei, Lucia Rocchi, Luisa Paolotti, Antonio Boggia https://doi.org/10.7287/peerj.preprints.2191v1