Coupled carbon and nitrogen losses in response to seven years of chronic warming in subarctic soils - Marañón Jiménez, Sara (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Richter, Andreas (Universität Wien. Department of Microbiology and Ecosystem Science) ; Sigurdsson, Bjarni D. (Agricultural University of Iceland) ; Fuchslueger, Lucia (University of Antwerpen. Department of Biology) ; Leblans, Niki I. W. (Universiteit Antwerpen. Departement Biologie) ; Janssens, Ivan (University of Antwerp. Department of Biology) ; Universitat Autònoma de Barcelona