Changes in Nitrogen Cycling in a Shrub-Encroached Dryland

Thomas Christopher Turpin-Jelfs1, Katerina Michaelides1, Joel A Biederman2, Richard P Evershed3 and Alexandre M Anesio1, (1)University of Bristol, School of Geographical Sciences, Bristol, United Kingdom, (2)Agricultural Research Service Tucson, Southwest Watershed Research Center, Tucson, AZ, United States, (3)University of Bristol, School of Chemistry, Bristol, United Kingdom