Supplementary information

From the following article

Climate and human influences on global biomass burning over the past two millennia

J. R. Marlon, P. J. Bartlein, C. Carcaillet, D. G. Gavin, S. P. Harrison, P. E. Higuera, F. Joos, M. J. Power & I. C. Prentice

Nature Geoscience 1, 697 - 702 (2008) Published online: 21 September 2008

doi:10.1038/ngeo313