P.A. Harrison, P.M. Berry, G. Simpson, J.R. Haslett, M. Blicharska, M. Bucur, R. Dunford, B. Egoh , M. Garcia-Llorente, N. Geamănă, W. Geertsema, E. Lommelen, L. Meiresonne and F. Turkelboom (2014) Linkages between biodiversity attributes and ecosystem services: A systematic reviewEcosystem Services 9: 191203. http://www.sciencedirect.com/science/article/pii/S2212041614000576