My research concerns the cycles of nitrogen and carbon through forests, especially interactions among trees, mycorrhizal fungi and soils. My teaching covers the same subject areas. Honours, awards Grand Knight of the Icelandic Orden of the Falcon 2018. Distinguished Ecologist, Michigan Technological University, Houghton, 2011. Rosén´s Linneus Prize in Botany 2010 (500 000 SEK) awarded by the Royal Physiographic Society in Lund. Recipient of a 12 million SEK "Excellence award" from SLU (2007-2013). Fellow (no. 1629) of the Royal Swedish Academy for Agriculture and Forestry, 2005, and member of the board of the Academy (Akademikollegiet) 2006-2008. Distinguished Ecologist, Colorado State University, Ft. Collins, 2002.