1. Faculty of Engineering and Natural Sciences, Tampere University , Tampere, Finland
2. Natural Resources Institute Finland (Luke) , Helsinki, Finland
3. Environmental Geochemistry Group, Department of Geosciences and Geography, Faculty of Science , Helsinki, Finland
4. Department of Agricultural Sciences (Environmental Soil Science), Faculty of Agriculture and Forestry, University of Helsinki , Helsinki, Finland
5. Department of Environmental and Biological Sciences, University of Eastern Finland , Kuopio, Finland
6. Department of Biological and Environmental Sciences, University of Jyväskylä , Jyväskylä, Finland
7. Department of Forest Mycology and Plant Pathology, Science for Life Laboratory, Swedish University of Agricultural Sciences , Uppsala, Sweden