Satellite Remote Sensing of Ecosystem Functions: Opportunities and Challenges for Reporting Obligations of the EU Habitat Directive. - Javier Cabello; Paola Mairota; Domingo Alcaraz-Segura; Salvador Arenas-Castro; Paula Escribano; Pedro J. Leitão; Javier Martínez-López; Adrián Regos; Juan M. Requena-Mullor (IGARSS, 2018)