1 Conceptualising Long-term Socio-ecological Research (LTSER): Integrating socio-economic dimensions into long-term ecological research Simron J. Singh, 1,* Helmut Haberl, 1 Veronika Gaube, 1 Clemens M. Grünbühel, 1,2 Petru Lisivieveci, 3 Julia Lutz, 1 Robin Matthews, 4 Michael Mirtl, 5 Angheluta Vadineanu, 3 Martin Wildenberg, 1 1 Institute of Social Ecology, Faculty of Interdisciplinary Studies, Klagenfurt University, Schottenfeldgasse 29, 1070 Vienna, Austria 2 The Mekong Institute, 123 Khon Kaen University, Muang Khon Kaen 40002,Thailand 3 Department of Systems Ecology and Sustainability (DSES), University of Bucharest, Spl. Independentei 91-95, Sector 5, Bucharest, Romania 4 Integrated Land Use Systems Group, Macaulay Institute, Craigiebuckler, Aberdeen AB15 8QH, UK 5 Federal Environment Agency Austria, Spittelauer Lände 5, 1090 Vienna, Austria * Corresponding author. simron.singh@uni-klu.ac.at Paper submitted to the Stefan Klotz, UFZ, ALTERNET Book Project August 2007