Linking resource‐and disturbance‐based models to explain tree–grass coexistence in savannas

RM Holdo, JB Nippert - New Phytologist, 2023 - Wiley Online Library
Savannas cover a significant fraction of the Earth's land surface. In these ecosystems, C3
trees and C4 grasses coexist persistently, but the mechanisms explaining coexistence …

African savanna grasses outperform trees across the full spectrum of soil moisture availability

MW Belovitch, JE NeSmith, JB Nippert… - New …, 2023 - Wiley Online Library
Models of tree–grass coexistence in savannas make different assumptions about the relative
performance of trees and grasses under wet vs dry conditions. We quantified transpiration …

Save or spend? Diverging water‐use strategies of grasses and encroaching clonal shrubs

RM Keen, BR Helliker, KA McCulloh… - Journal of …, 2024 - Wiley Online Library
Shrub encroachment is one of the primary threats to mesic grasslands around the world.
This dramatic shift in plant cover has the potential to alter ecosystem‐scale water budgets …

Soil carbon, nitrogen, and phosphorus storage in juniper–oak savanna: role of vegetation and geology

CJ Hsiao, PAM Leite, A Hyodo, TW Boutton - Soil, 2024 - soil.copernicus.org
Woody-plant encroachment into grasslands and savannas has been globally widespread
during the past century, likely driven by interactions between grazing, fire suppression, rising …

Contrasting shrub and grass hydraulic responses to experimental drought

K O'Keefe, JB Nippert, RM Keen, KA McCulloh - Oecologia, 2024 - Springer
Whole-plant hydraulics provide important information about responses to water limitation
and can be used to understand how plant communities may change in a drier climate when …

The CZ as an Ecological Problem: How the Interplay of Biotic and Abiotic Actors Determines the Functioning of Earth's Living Skin

SA Billings, PL Sullivan, D Hirmas, JB Nippert… - Critical Zone and …, 2024 - Springer
Long before the term 'critical zone'(CZ) was coined to encompass Earth's biological and
geological features from the top of the vegetative canopy to the depths of circulating …

Soil carbon, nitrogen, and phosphorus storage in juniper-oak savanna: Role of vegetation and geology

CJ Hsiao, PAM Leite, A Hyodo… - EGUsphere, 2023 - egusphere.copernicus.org
Woody plant encroachment into grasslands and savannas has been globally widespread
during the past century, likely driven by interactions between grazing, fire suppression, rising …