KEYLINK : towards a more integrative soil representation for inclusion in ecosystem scale models. I. review and model concept - Deckmyn, Gaby (Universiteit Antwerpen. Department of Biology, Plants and Ecosystems) ; Flores, Omar (Museo Nacional de Ciencias Naturales - Consejo Superior de Investigaciones Científicas) ; Mayer, Mathias (University of Natural Resources and Life Sciences. Department of Forest and Soil Sciences (Austria)) ; Domene, Xavier (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Schnepf, Andrea (Agrosphere Institute - IBG (Germany)) ; Kuka, Katrin (Julius Kühn-Institut. Institute for Crop and Soil Science (Germany)) ; Van Looy, Kris (Flemish Institute for Materials and Soils (Belgium)) ; Rasse, Daniel P. (Norwegian Institute of Bioeconomy Research. Department of Biogeochemistry and Soil Quality) ; Briones, Maria J. I. (Universidade de Vigo. Departamento de Ecoloxía e Bioloxía Animal) ; Barot, Sébastien (Centre National de la Recherche Scientifique. Sorbonne Université. Institut d'Écologie et des Sciences de l'Environnement) ; Berg, Matty (Vrije Universiteit Amsterdam. Department of Ecological Science) ; Vanguelova, Elena (Forest Research (UK)) ; Ostonen, Ivika (University of Tartu. Institute of Ecology and Earth Sciences (Estonia)) ; Vereecken, Harry (Agrosphere Institute - IBG (Germany)) ; Suz, Laura M. (Royal Botanic Gardens. Comparative Plant and Fungal Biology (UK)) ; Frey, Beat (Swiss Federal Research Institute WSL. Forest Soils and Biogeochemistry) ; Frossard, Aline (Swiss Federal Research Institute WSL. Forest Soils and Biogeochemistry) ; Tiunov, Alexei (A.N. Severtsov Institute of Ecology and Evolution (Russia)) ; Frouz, Jan (Charles University. Institute for Environmental Studies (Czech Republic)) ; Grebenc, Tine (Slovenian Forestry Institute) ; Öpik, Maarja (University of Tartu. Institute of Ecology and Earth Sciences (Estonia)) ; Javaux, Mathieu (Earth and Life Institute (Belgium)) ; Uvarov, Alexei (A.N. Severtsov Institute of Ecology and Evolution (Russia)) ; Vindušková, Olga (Universiteit Antwerpen. Department of Biology, Plants and Ecosystems) ; Henning Krogh, Paul (Aarhus University. Department of Bioscience (Denmark)) ; Franklin, Oskar (Swedish University of Agricultural Sciences. Department of Forest Ecology and Management) ; Jiménez, Juan (Instituto Pirenaico de Ecología) ; Curiel Yuste, Jorge (Ikerbasque. Zientziarako Euskal Fundazioa) ; Universitat Autònoma de Barcelona