The effect of tree mortality on biogeochemical response after mountain pine beetle forest infestation
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Pine species in the American West are experiencing large-scale, bark beetleinduced mortality in association with a changing climate. As resulting terrestrial biogeochemical responses to this ecosystem disturbance are unclear, we hypothesized that a threshold of localized tree mortality must be exceeded before disruption of carbon and nitrogen biogeochemical cycling is observed. In order to isolate the compensatory effects of proximal healthy trees and intertwined hydrologic, energetic and rhizospheric processes, microbiological and geochemical parameters within three near-surface soil ...