Inst. für Pflanzenwissenschaften, Gruppe Graslandwissenschaften, ETH Zürich Mission Statement - to understand the functioning of terrestrial ecosystems, i.e., coupled human-environmental systems, at various spatial and temporal scales to ensure sustainable resource use und human welfare - to quantify the effects of human and biophysical drivers of global change on managed and unmanaged forest and agroecosystems - to determine the effect of ecosystem change in structure and functioning on the delivery of ecosystem services - to further develop the young discipline of Stable Isotope Ecology and to teach and train students in the use of stable isotopes for process- and system-oriented research