Stakeholders’ perspectives on the operationalisation of the ecosystem service concept: results from 27 case studies by Dick, J, Turkelboom, F, Woods, H, Iniesta-Arandia, I, Primmer, E, Saarela, S, Bezák, P, Mederly, P, Leone, M, Verheyden, W, Kelemen, E, Hauck, J, Andrews, C, Antunes, P, Aszalós, R, Baró, F, Barton, D, Berry, P, Bugter, R, Carvalho, L, Czúcz, B, Dunford, R, Garcia Blanco, G, Geamănă, N, Giucă, R, Grizzetti, B, Izakovičová, Z, Kertész, M, Kopperoinen, L, Langemeyer, J, Montenegro Lapola, D, Liquete, C, Luque, S, Martínez Pastur, G, Martin-Lopez, B, Mukhopadhyay, R, Niemela, J, Odee, D, Peri, P, Pinho, P, Patrício-Roberto, G, Preda, E, Priess, J, Röckmann, C, Santos, R, Silaghi, D, Smith, R, Vădineanu, A, Van Der Wal, J, Arany, I, Badea, O, Bela, G, Boros, E, Bucur, M, Blumentrath, S, Calvache, M, Carmen, E, Clemente, P, Fernandes, J, Ferraz, D, Fongar, C, García-Llorente, M, Gómez-Baggethun, E, Gundersen, V, Haavardsholm, O, Kalóczkai, Á, Khalalwe, T, Kiss, G, Köhler, B, Lazányi, O, Lellei-Kovács, E, Lichungu, R, Lindhjem, H, Magare, C, Mustajoki, J, Ndege, C, Nowell, M, Nuss Girona, S, Ochieng, J, Often, A, Palomo, I, Pataki, G, Reinvang, R, Rusch, G, Saarikoski, H, Smith, A, Soy Massoni, E, Stange, E, Vågnes Traaholt, N, Vári, Á, Verweij, P, Vikström, S, Yli-Pelkonen, V, Zulian, G