Belowground Ecology
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Overview: Our lab uses multiple methods to understand variation in below ground processes in response to tree diversity. We have examined C flux below ground using scanner-based minirhizotron technology (CI-600), IRGA technology, estimation of total below ground carbon allocation, root excavation, and (in collaboration with other labs) nitrogen mineralization and microbial community techniques. Our work has focused on three systems: 1) the intermountain west cottonwood hybrid system between native Populus trees P. angustifolia and P. fremontii (since 2001). More about the Cottonwood System. 2) second-growth temperate rainforests on the Evergreen College reserve (minirhizotron and IRGA work since 2006). More about the EEON network 3) East Cascades ponderosa pine systems (Sinlahekin valley, WA – since 2008).
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