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Vegetation Influences on Long-Term Carbon Stabilization in Soils: A Continuation of Previous Research


EMSL Project ID
44619

Abstract

This project is a continuation of our previous research that investigates the influence of vegetation on long-term carbon stabilization in soils using molecular level analysis. Previously, we have used CP MAS 13C NMR spectroscopy to compare the molecular characteristics of soil fractions at surface soil pools from two contrasting ecosystems, old-growth redwood forest and prairie, which represents end-members in terms of tissue lifespan and litter recalcitrance.
The proposed research will address the influence of the same vegetation types on the degree of decomposition of deep soil pools using the same technique. We believe the outcome of the proposed research will enhance our basic knowledge of C biogeochemical cycling and soil C processing in relation to C input.

Project Details

Project type
Large-Scale EMSL Research
Start Date
2011-10-01
End Date
2012-09-30
Status
Closed

Team

Principal Investigator

Margaret Torn
Institution
Lawrence Berkeley National Laboratory

Team Members

Stefania Mambelli
Institution
University of California, Berkeley