General Site Information
Site ID:US-Wi3
Site Name:Mature hardwood (MHW)
Tower Team: PI: Jiquan Chen <> - Michigan State University
Elevation (m):411
IGBP:DBF (Deciduous Broadleaf Forests)
Climate Koeppen:Dfb (Warm Summer Continental: significant precipitation in all seasons )
Data Products: AmeriFlux BASE Dataset
FLUXNET2015 Dataset
Data Availability: AmeriFlux BASE:   3 years (Duration: 2002 - 2004)
FLUXNET2015:   3 years (Duration: 2002 - 2004)
Data Downloads to Date: AmeriFlux BASE:   225 unique downloads
FLUXNET2015:   635 unique downloads
Data DOIs: AmeriFlux BASE DOI: 10.17190/AMF/1246018
Description:The Wisconsin Mature Hardwood site is located in the Washburn Ranger District of the northeastern section of Chequamegon National Forest. A member of the northern coniferous-deciduous biome, surveys from the mid-19th century indicate the region consisted of a mixed stand of red, white, and jack pines. After extensive timber harvesting, wildfires, and farming activity, the region turned into a fragmented mosaic of stands of various ages and composition. As an assemblage, the ten Wisconsin sites are indicative of the successional stages of development in the predominant stand types of a physically homogeneous landscape. The mature hardwood stand represents a typical naturally regenerated second-growth forest, free of anthropogenic disturbances for at least 70 years.
Site image(s):
For additional AmeriFlux site images, see the Web site gallery

Publications relevant to understanding the site
2. Noormets, A., A. Desai, B.D. Cook, D.M. Ricciuto, E.S. Euskirchen, K. Davis, P. Bolstad, H.P. Schmid, C.S. Vogel, E.V. Carey, H.-B. Su and J. Chen 2007. Moisture sensitivity of ecosystem respiration: comparison of 14 forest ecosystems in the Upper Great Lakes Region, USA. Agricultural and Forest Meteorology:In press. Reference
3. Desai, A.R., A. Noormets, P.V. Bolstad, J. Chen, B.D. Cook, K.J. Davis, E.S. Euskirchen, C. Gough, J.M. Martin, D.M. Ricciuto, H.P. Schmid, J. Tang and W. Wang 2007. Influence of vegetation type, stand age and climate on carbon dioxide fluxes across the Upper Midwest, USA: Implications for regional scaling of carbon flux. Agricultural and Forest Meteorology. In press Reference
Noormets, A., J. Chen and T.R. Crow. 2007. Age-dependent changes in ecosystem carbon fluxes in managed forests in northern Wisconsin, USA. Ecosystems:In press. Reference

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