Shifts in the elemental composition of plants during a very severe drought - Urbina Barreto, Ifigenia (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Beierkuhnlein, Carl (Universität Bayreuth. Department of Biogeography) ; Jentsch, Anke (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Backhausd, Sabrina (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Grant, Kerstin (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Kreyling, Juergen (Universität Bayreuth. Department of Biogeography) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)