1. Key
Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB),
Kunming Institute of Botany, Chinese Academy of Science, 650201 Kunming, Yunnan, China
2. Institute
of Crop Science and Resource Conservation (INRES) - Soil Science and
Soil Ecology, University of Bonn, Nussallee 13, 53115 Bonn, Germany
3. Steinmann
Institute, Geochemistry University of Bonn, Poppelsdorfer Schloss, 53115 Bonn, Germany
4. Institut
für Geologie und Mineralogie, Universität zu Köln, Zülpicher
Str. 49b, 50674 Köln, Germany
5. College
of Environmental and Resource Sciences, Zhejiang University, 866 Yuhangtang Road, 310058 Hangzhou, Zhejiang, China