Rodney E. Will
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View article: Structural diversity is an important predictor of forest productivity responses to drought
Structural diversity is an important predictor of forest productivity responses to drought Open
The response of forest productivity to drought depends on biodiversity and other stand attributes. Biodiversity can regulate productivity through niche complementarity (i.e. greater diversity better utilizes resources to determine ecosyste…
View article: Exploring the social acceptability of hybrid sweetgum plantations in the south-central United States
Exploring the social acceptability of hybrid sweetgum plantations in the south-central United States Open
Hybrid sweetgum has potential as a dual-purpose plantation in the southern United States due to its rapid growth and suitability for planting on a wide range of sites. To understand its social acceptability, a survey instrument was adminis…
View article: Future Climate Change Shifts the Ranges of Major Encroaching Woody Plant Species in the Southern Great Plains, USA
Future Climate Change Shifts the Ranges of Major Encroaching Woody Plant Species in the Southern Great Plains, USA Open
Woody Plant Encroachment (WPE) is a key driver of grassland collapse in the Southern Great Plain (SGP), resulting in a series of adverse ecological and socioeconomic consequences. Climate change will interact with ongoing WPE as it will li…
View article: Productivity of hybrid sweetgum (Liquidambar formosana x styraciflua) plantations compared to native sweetgum (L. Styraciflua) in the Western Gulf Region of south-central U.S.
Productivity of hybrid sweetgum (Liquidambar formosana x styraciflua) plantations compared to native sweetgum (L. Styraciflua) in the Western Gulf Region of south-central U.S. Open
Sweetgum ( Liquidambar styraciflua ) is an excellent short-rotation woody crop species for producing hardwood pulp and biofuel feedstock on marginal sites. A recent development which may improve growth is the production of hybrid sweetgum …
View article: Juniper (Juniperus virginiana) encroachment into grassland results in increased trace-element inputs
Juniper (Juniperus virginiana) encroachment into grassland results in increased trace-element inputs Open
Background and aims Woody plant encroachment poses a significant threat to grasslands globally, and in the southcentral USA, juniper ( Juniperus virginiana ) is rapidly taking over large areas of grasslands. Despite ongoing research, the r…
View article: Structural diversity is better associated with forest productivity than species or functional diversity
Structural diversity is better associated with forest productivity than species or functional diversity Open
Understanding the relationship between biodiversity and productivity can be advanced by improving metrics used to quantify biodiversity. Structural diversity, that is, variation of size and form of plant organs, is an emerging biodiversity…
View article: <i>Escherichia coli</i> efflux from rangeland ecosystems in the southcentral Great Plains of the United States
<i>Escherichia coli</i> efflux from rangeland ecosystems in the southcentral Great Plains of the United States Open
Bacterial contamination of surface water is a public health concern. To quantify the efflux of Escherichia coli into ephemeral and intermittent streams and assess its numbers in relation to secondary body contact standards, we monitored ru…
View article: Intentions of Landowners in South-central USA towards Active Management of Ecosystem for Deer Habitat Management
Intentions of Landowners in South-central USA towards Active Management of Ecosystem for Deer Habitat Management Open
Active management such as prescribed fire and thinning can restore the savanna and prairie ecosystem to maintain a full suite of ecosystem services and creates a suitable habitat for wildlife such as white-tailed deer ( Odocoileus virginia…
View article: Potential Hydrological Impacts of Planting Switchgrass on Marginal Rangelands in South Central Great Plains
Potential Hydrological Impacts of Planting Switchgrass on Marginal Rangelands in South Central Great Plains Open
Woody plant encroachment is an ongoing global issue. In the Southern Great Plains of the United States, the rapid encroachment and coalescence of woody plants are transforming herbaceous-dominated rangelands into woodlands with a detriment…
View article: Response of Surface Runoff and Sediment to the Conversion of a Marginal Grassland to a Switchgrass (Panicum virgatum) Bioenergy Feedstock System
Response of Surface Runoff and Sediment to the Conversion of a Marginal Grassland to a Switchgrass (Panicum virgatum) Bioenergy Feedstock System Open
The land systems between the humid and arid zones around the globe are critical to agricultural production and are characterized by a strong integration of the land use and water dynamics. In the southern Great Plains (SGP) of the United S…
View article: Regional Assessment of Carbon Pool Response to Intensive Silvicultural Practices in Loblolly Pine Plantations
Regional Assessment of Carbon Pool Response to Intensive Silvicultural Practices in Loblolly Pine Plantations Open
Tree plantations represent an important component of the global carbon (C) cycle and are expected to increase in prevalence during the 21st century. We examined how silvicultural approaches that optimize economic returns in loblolly pine (…
View article: Spatial variability in tree-ring carbon isotope discrimination in response to local drought across the entire loblolly pine natural range
Spatial variability in tree-ring carbon isotope discrimination in response to local drought across the entire loblolly pine natural range Open
Considering the temporal responses of carbon isotope discrimination (Δ13C) to local water availability in the spatial analysis of Δ13C is essential for evaluating the contribution of environmental and genetic facets of plant Δ13C. Using tr…
View article: Management and climate variability effects on understory productivity of forest and savanna ecosystems in Oklahoma, USA
Management and climate variability effects on understory productivity of forest and savanna ecosystems in Oklahoma, USA Open
The productivity of herbaceous and understory woody vegetation is critical for wildlife habitat, livestock forage, and biodiversity, and is influenced by both annual weather patterns and tree dominance. With the goals to inform management …
View article: Interannual climate variation influences nest initiation date and nest productivity of the Red-cockaded Woodpecker at the northwestern edge of its range
Interannual climate variation influences nest initiation date and nest productivity of the Red-cockaded Woodpecker at the northwestern edge of its range Open
Climate change, including directional shifts in weather averages and extremes and increased interannual weather variation, is influencing demography and distributions for many bird species. The Ouachita Mountains ecoregion in southeast Okl…
View article: Heterotrophic Respiration and the Divergence of Productivity and Carbon Sequestration
Heterotrophic Respiration and the Divergence of Productivity and Carbon Sequestration Open
Net primary productivity (NPP) and net ecosystem production (NEP) are often used interchangeably, as their difference, heterotrophic respiration (soil heterotrophic CO 2 efflux, R SH = NPP−NEP), is assumed a near‐fixed fraction of NPP. Her…
View article: Improved productivity, water yield, and water use efficiency by incorporating switchgrass cultivation and native ecosystems in an integrated biofuel feedstock system
Improved productivity, water yield, and water use efficiency by incorporating switchgrass cultivation and native ecosystems in an integrated biofuel feedstock system Open
The southern Great Plains of the USA has great potential to produce biofuel feedstock while minimizing the dual stresses of woody plant encroachment and climate change. Switchgrass ( Panicum virgatum ) cultivation, woody biomass captured d…
View article: Stand-Level Transpiration Increases after Eastern Redcedar (Juniperus virginiana L.) Encroachment into the Midstory of Oak Forests
Stand-Level Transpiration Increases after Eastern Redcedar (Juniperus virginiana L.) Encroachment into the Midstory of Oak Forests Open
Eastern redcedar (Juniperus virginiana L., redcedar) encroachment is transitioning the oak-dominated Cross-Timbers of the southern Great Plain of the USA into mixed-species forests. However, it remains unknown how the re-assemblage of tree…
View article: Drought Tolerance and Competition in Eastern Redcedar (Juniperus virginiana) Encroachment of the Oak-Dominated Cross Timbers
Drought Tolerance and Competition in Eastern Redcedar (Juniperus virginiana) Encroachment of the Oak-Dominated Cross Timbers Open
On the dry, western edge of the eastern deciduous forest of the USA (Cross Timbers), the drought-tolerant, evergreen eastern redcedar (Juniperus virginiana) is encroaching into post oak- (Quercus stellata) dominated woodlands. The overall …
View article: Sustaining Cross-Timbers Forest Resources: Current Knowledge and Future Research Needs
Sustaining Cross-Timbers Forest Resources: Current Knowledge and Future Research Needs Open
The Cross-Timbers region of the United States, situated in the southern Great Plains along the western edge of the eastern deciduous forest, was historically Quercus-dominated open forest interspersed with tallgrass prairie and shrubs comm…
View article: Dead or dying? Quantifying the point of no return from hydraulic failure in drought‐induced tree mortality
Dead or dying? Quantifying the point of no return from hydraulic failure in drought‐induced tree mortality Open
Summary Determining physiological mechanisms and thresholds for climate‐driven tree die‐off could help improve global predictions of future terrestrial carbon sinks. We directly tested for the lethal threshold in hydraulic failure – an ina…
View article: Establishment of Quercus marilandica Muenchh. and Juniperus virginiana L. in the Tallgrass Prairie of Oklahoma, USA Increases Litter Inputs and Soil Organic Carbon
Establishment of Quercus marilandica Muenchh. and Juniperus virginiana L. in the Tallgrass Prairie of Oklahoma, USA Increases Litter Inputs and Soil Organic Carbon Open
The establishment of trees in grasslands alters ecosystem processes and services. Litter inputs shift from herbaceous to tree-derived, which affects the litter quantity and quality and may in turn alter soil carbon dynamics and ecosystem-l…
View article: Impact of Eastern Redcedar Proliferation on Water Resources in the Great Plains USA—Current State of Knowledge
Impact of Eastern Redcedar Proliferation on Water Resources in the Great Plains USA—Current State of Knowledge Open
In the Great Plains of the central United States, water resources for human and aquatic life rely primarily on surface runoff and local recharge from rangelands that are under rapid transformation to woodland by the encroachment of Eastern…
View article: Encroachment Dynamics of Juniperus virginiana L. and Mesic Hardwood Species into Cross Timbers Forests of North-Central Oklahoma, USA
Encroachment Dynamics of Juniperus virginiana L. and Mesic Hardwood Species into Cross Timbers Forests of North-Central Oklahoma, USA Open
Cross Timbers forests, typically dominated by Quercus stellata Wangenh. and Q. marilandica Muenchh., are the transition zone between eastern deciduous forest and prairie in the southern Great Plains. Fire exclusion beginning in the mid-190…
View article: Comparison of biomass partitioning and transpiration for water-stressed shortleaf, loblolly, and shortleaf × loblolly pine hybrid seedlings
Comparison of biomass partitioning and transpiration for water-stressed shortleaf, loblolly, and shortleaf × loblolly pine hybrid seedlings Open
Hybridization between shortleaf pine (Pinus echinata Mill.) and loblolly pine (Pinus taeda L.) has dramatically increased and may threaten the genetic integrity of shortleaf pine. Shortleaf pine is presumed to be more drought tolerant than…
View article: Woody plant encroachment reduces annual runoff and shifts runoff mechanisms in the tallgrass prairie, <scp>U</scp>SA
Woody plant encroachment reduces annual runoff and shifts runoff mechanisms in the tallgrass prairie, <span>U</span>SA Open
Woody plant encroachment into semiarid and subhumid rangelands is a global phenomenon with important hydrological implications. Observational and experimental results reported both increases and decreases in annual runoff for encroached wa…