Desai, A.R., A. Noormets, P.V. Bolstad, J. Chen, B.D. Cook, P.S. Curtis, K.J. Davis, E. Euskirchen, C.M. Gough, J.M. Martin, D.M. Ricciuto, H.P. Schmid, J. Tang, H.B. Su, C.S. Vogel, and W. Wang, 2004. Impact of vegetation cover and stand age on scaling carbon fluxes in the upper Midwest: A multiple eddy flux site study, Fall Meeting of the American Geophysical Union, American Geophysical Union, San Francisco, CA, December 2004.