Soil C: N: P stoichiometry responds to vegetation change from grassland to woodland

Y Zhou, TW Boutton, XB Wu - Biogeochemistry, 2018 - Springer
Woody encroachment has been a major land cover change in dryland ecosystems during
the past century. While numerous studies have demonstrated strong effects of woody …

Woody plant encroachment amplifies spatial heterogeneity of soil phosphorus to considerable depth

Y Zhou, TW Boutton, XB Wu - Ecology, 2018 - Wiley Online Library
The geographically extensive phenomenon of woody plant encroachment into grass‐
dominated ecosystems has strong potential to influence biogeochemical cycles at …

Spatial variation of soil δ13C and its relation to carbon input and soil texture in a subtropical lowland woodland

E Bai, TW Boutton, F Liu, XB Wu, CT Hallmark… - Soil Biology and …, 2012 - Elsevier
Spatial patterns of soil δ13C were quantified in a subtropical C3 woodland in the Rio
Grande Plains of southern Texas, USA that developed during the past 100 yrs on a lowland …

Soil phosphorus does not keep pace with soil carbon and nitrogen accumulation following woody encroachment

Y Zhou, TW Boutton, XB Wu - Global Change Biology, 2018 - Wiley Online Library
Soil carbon, nitrogen, and phosphorus cycles are strongly interlinked and controlled through
biological processes, and the phosphorus cycle is further controlled through geochemical …

Changes in soil nitrogen storage and δ15N with woody plant encroachment in a subtropical savanna parkland landscape

TW Boutton, JD Liao - Journal of Geophysical Research …, 2010 - Wiley Online Library
Subtropical woodlands dominated by N‐fixing tree legumes have largely replaced
grasslands in the Rio Grande Plains, southwestern United States, during the past century …