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 …

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 …

Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China

H Li, J Zhang, H Hu, L Chen, Y Zhu, H Shen… - European Journal of Soil …, 2017 - Elsevier
The ongoing expansion of shrub encroachment into grasslands represents a unique form of
land cover change. How this process affects soil microbial communities is poorly …

Grassland to woodland transitions: Dynamic response of microbial community structure and carbon use patterns

CA Creamer, TR Filley, TW Boutton… - Journal of Geophysical …, 2016 - Wiley Online Library
Woodland encroachment into grasslands is a globally pervasive phenomenon attributed to
land use change, fire suppression, and climate change. This vegetation shift impacts …

Investigating patterns of symbiotic nitrogen fixation during vegetation change from grassland to woodland using fine scale δ15N measurements

FM Soper, TW Boutton, JP Sparks - Plant, Cell & Environment, 2015 - Wiley Online Library
Biological nitrogen fixation (BNF) in woody plants is often investigated using foliar
measurements of δ15 N and is of particular interest in ecosystems experiencing increases in …

A Three-Dimensional Assessment of Soil δ13C in a Subtropical Savanna: Implications for Vegetation Change and Soil Carbon Dynamics

Y Zhou, TW Boutton, XB Wu - Soil Systems, 2019 - mdpi.com
Tree/shrub encroachment into drylands is a geographically widespread vegetation change
that often modifies soil organic carbon (SOC) storage and dynamics, and represents an …

Estimating ecosystem nitrogen addition by a leguminous tree: A mass balance approach using a woody encroachment chronosequence

FM Soper, JP Sparks - Ecosystems, 2017 - Springer
Difficulty in quantifying rates of biological N fixation (BNF), especially over long time scales,
remains a major impediment to defining N budgets in many ecosystems. To estimate N …

[PDF][PDF] LAILSON DA SILVA FREITAS

NEFNOP DO - 2022 - uenf.br
RESUMO FREITAS, Lailson da Silva, M. Sc., Universidade Estadual do Norte Fluminense
Darcy Ribeiro. Março, 2022. Estequiometria de carbono, nitrogênio e fósforo no perfil do …