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Earthworm Presence In Northern Forests: Impact On Distribution Of Soil Carbon Within Aggregate Fractions, Meghan Elizabeth Knowles
Earthworm Presence In Northern Forests: Impact On Distribution Of Soil Carbon Within Aggregate Fractions, Meghan Elizabeth Knowles
Graduate College Dissertations and Theses
Growing concerns over climate change is driving research aimed at determining ways of retaining soil carbon (C) within managed northeastern forests. Earthworms are exotic to the state of Vermont and the current extent of earthworm community presence in the state's forests, as well as the long term impact these communities will have on soil C storage, is still unknown. Current research suggests that earthworms have conflicting effects on the C cycle of soils, simultaneously enhancing mineralization through soil mixing, while protecting C through the stabilization of microaggregate (mA) structures. The mA soil fraction represents a pool of physically stable structures …