1. Centre for Ecology and Hydrology; Bangor UK
2. Department of Biological and Environmental Sciences; University of Gothenburg; Gothenburg Sweden
3. EMEP MSC-W; Norwegian Meteorological Institute; Oslo Norway
4. Department of Space, Earth & Environment; Chalmers University of Technology; Gothenburg Sweden
5. Institute of Crop Science and Resource Conservation; University of Bonn; Bonn Germany
6. USDA-ARS; Raleigh North Carolina
7. Environment Department, Stockholm Environment Institute at York; University of York; York UK
8. State Key Laboratory of Urban and Regional Ecology; Research Center for Eco-Environmental Sciences; Chinese Academy of Sciences; Beijing China
9. Department of Global Agricultural Sciences; The University of Tokyo; Tokyo Japan
10. Department of Botany; Institute of Science; Banaras Hindu University; Uttar Pradesh India