Joanne Childs Contact childsj@ornl.gov | 865.292.3650 All Publications Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands Climate drivers alter nitrogen availability in surface peat and decouple N2 fixation from CH4 oxidation in the Sphagnum moss microbiome Whole-Ecosystem Warming Increases Plant-Available Nitrogen and Phosphorus in an Ombrotrophic Bog... Forest stand and canopy development unaltered by 12 years of CO2 enrichment*... Trade-Offs in Phosphorus Acquisition Strategies of Five Common Tree Species in a Tropical Forest of Puerto Rico... Nitrogen and phosphorus cycling in an ombrotrophic peatland: A benchmark for assessing change Divergent species‐specific impacts of whole ecosystem warming and elevated CO2 on vegetation water relations in an ombrotro... Bringing function to structure: Root–soil interactions shaping phosphatase activity throughout a soil profile in Puerto Rico High‐resolution minirhizotrons advance our understanding of root‐fungal dynamics in an experimentally warmed peatland Peatland warming strongly increases fine-root growth... Rapid loss of an ecosystem engineer: Sphagnum decline in an experimentally warmed bog... Phosphorus sorption on tropical soils with relevance to Earth system model needs... Controls on Fine-Scale Spatial and Temporal Variability of Plant-Available Inorganic Nitrogen in a Polygonal Tundra Landscape... Fine-root growth in a forested bog is seasonally dynamic, but shallowly distributed in nutrient-poor peat... Root and Rhizosphere Bacterial Phosphatase Activity Varies with Tree Species and Soil Phosphorus Availability in Puerto Rico ... Root and Phizosphere Bacterial Phosphatase Activity Varies with Tree Species and Soil Phosphorus Availability in Puerto Rico Tropical Forest Needle age and season influence photosynthetic temperature response and total annual carbon uptake in mature Picea mariana tr... Timing and magnitude of C partitioning through a young loblolly pine (Pinus taeda L.) stand using 13C labeling and shade trea... Partitioning in trees and soil (PiTS) - a experimental approach to improve knowledge of forest carbon dynamics... Advancing the use of minirhizotrons in wetlands ... CO2 enrichment increases carbon and nitrogen input from fine roots in a deciduous forest.... Responses of soil respiration to elevated CO<sub>2</sub>, air warming, and changing soil water availability in an old-field g... Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under ... Temperature-independent diel variation in soil respiration observed from a temperate deciduous forest... Forest response to elevated CO2 is conserved across a broad range of productivity... Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Earth Systems Science Section Plant - Soil Interactions Group