Land Use Change and Soil Carbon Storage Potential in Central Spain

Document Type

Grant Proposal

Date Accepted

Spring 2007

Project Description/Abstract

During summer 2006 field soil sampling was performed in a semiarid region of Spain. Samples were collected from different long-term land use and topographic positions in order to understand the impact of land use management on soil-carbon levels. The overarching goal of this research is to quantify potential soil carbon storage for semiarid agricultural lands as part of our global efforts to reduce atmospheric CO2 in the next several decades. The study region for this work is typical of many intensely cultivated cereal growing regions found in Mediterranean and semiarid climates. Some analyses were performed on the soil samples during the 2006 summer field visit, however, other variables are needed in order to understand and model the distribution soil carbon and potential for sequestration of carbon for different land use types. Preliminary results show that the interaction between land use and topographic variables could explain some of the differences soil properties that influence carbon storage.

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