1. School for Environment and Sustainability University of Michigan Ann Arbor MI 48109 USA
2. Department of Ecology & Evolutionary Biology University of Michigan Ann Arbor MI 48109 USA
3. Department of Earth and Environment Boston University Boston MA 02215 USA
4. Department of Biology Indiana University Bloomington IN 47405 USA
5. Department of Biology Boston University Boston MA 02215 USA
6. The Rubenstein School of Environment & Natural Resources University of Vermont Burlington VT 05405 USA
7. The Gund Institute for Environment University of Vermont Burlington VT 05405 USA
8. Department of Plant & Microbial Biology University of Minnesota St Paul MN 55108 USA
9. Department of Geosciences and Natural Resource Management University of Copenhagen Copenhagen DK‐1711 Denmark
10. Los Alamos National Laboratory Santa Fe NM 87545 USA
11. Department of Biology Brigham Young University Provo UT 84602 USA
12. US Forest Service Northern Research Station 410 Mac Innes Dr. Houghton MI 49931 USA
13. Department of Soil and Environment Swedish University of Agricultural Sciences Uppsala SE‐750 07 Sweden
14. Department of Biology Microbial Ecology Group Lund University Lund SE‐221 00 Sweden