Authors: Henrique M. Pereira, Simon Ferrier, Michéle Walters, Gary N. Geller, R.H.G. Jongman, Robert J. Scholes, Michael W. Bruford, Neil Brummitt, Stuart H. M. Butchart, Ana Cristina Cardoso, Nicholas C. Coops, Ehsan Dulloo, Daniel P. Faith, Jörg Freyhof, Richard D. Gregory, C.H.R. Heip, Robert Höft, G. C. Hurtt, Walter Jetz, Daniel S. Karp, Mélodie A. McGeoch, David Obura, Yusuke Onoda, Nathalie Pettorelli, Belinda Reyers, Roger Sayre, Jörn P. W. Scharlemann, Simon N. Stuart, Eren Turak, Matt Walpole, Martin Wegmann - Science 2013 cited by 1,640
A global system of harmonized observations is needed to inform scientists and policy-makers.
