Remotely sensed spectral heterogeneity as a proxy of species diversity: Recent advances and open challenges

a IASMA Research and Innovation Centre, Fondazione Edmund Mach, Environment and Natural Resources Area, Via E. Mach 1, 38010 S. Michele all'Adige, TN, Italy b Leibniz-Institute for Zoo and Wildlife Research (IZW), Evolutionary Genetics, Postfach 601103, 10252 Berlin, Germany c Gulf Coast Geospatial Center, The University of Southern Mississippi, 1203 Broad Ave, Gulfport, MS 39501, USA d Department of Geography and Geology, University of Southern Mississippi, Hattiesburg, MS 39406, USA e School of Geography, University of Nottingham, University Park, Nottingham NG7 2RD, UK f Department of Geography, University of California Los Angeles, Los Angeles, California 90095-1524, USA g Department of Biological Sciences, Murray State University, Murray, Kentucky 42071, USA h The Biodiversity Research Group, Department of Evolution, Systematics and Ecology, The Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel i Department of Geography, The Hebrew University of Jerusalem, Mount Scopus, Jerusalem 91905, Israel j Department of Geosciences and Geography, P.O. Box 64, 00014 University of Helsinki, Finland k Ashoka Trust for Research in Ecology and the Environment, 659 5th A Main Hebbal, Bangalore 560024, India l Center for the Study of Institutions, Population, and Environmental Change, Indiana University, 408 N. Indiana Avenue, Bloomington, IN 47408, USA m University of Hamburg, Biocentre Klein Flottbek, Ohnhorststrasse 18, 22609 Hamburg, Germany n German Aerospace Center, 82203 Oberpfaffenhofen, Germany o Department of Plant Biology, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy p Department of Geography and Land Use and Environmental Change Institute (LUECI), University of Florida, P.O. Box 117315, 3141 Turlington Hall, Gainesville, FL 32611-7315, USA