Colleen Iversen Distinguished Staff Scientist and Group Leader (Plant-Soil Interactions Group) Contact 865.241.3961 | IVERSENCM@ORNL.GOV All Publications Climate warming and elevated CO2 alter peatland soil carbon sources and stability An ultrahigh-resolution E3SM land model simulation framework and its first application to the Seward Peninsula in Alaska How deep should we go to understand roots at the top of the world? The importance of trait selection in ecology Thermal acclimation of plant photosynthesis and autotrophic respiration in a northern peatland Embracing fine-root system complexity in terrestrial ecosystem modeling Climate drivers alter nitrogen availability in surface peat and decouple N2 fixation from CH4 oxidation in the Sphagnum moss microbiome Evaluating alternative ebullition models for predicting peatland methane emission and its pathways via data–model fusion Deciphering the shifting role of intrinsic and extrinsic drivers on moss decomposition in peatlands over a 5-year period... Assessing dynamic vegetation model parameter uncertainty across Alaskan arctic tundra plant communities Root traits as drivers of plant and ecosystem functioning: current understanding, pitfalls and future research needs A starting guide to root ecology: strengthening ecological concepts and standardising root classification, sampling, processing and trait measurements Forest stand and canopy development unaltered by 12 years of CO2 enrichment* Untargeted Exometabolomics Provides a Powerful Approach to Investigate Biogeochemical Hotspots with Vegetation and Polygon Type in Arctic Tundra Soils Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO 2 Topographical Controls on Hillslope‐Scale Hydrology Drive Shrub Distributions on the Seward Peninsula, Alaska... Local-scale Arctic tundra heterogeneity affects regional-scale carbon dynamics Global Root Traits (GRooT) Database Assessing impacts of plant stoichiometric traits on terrestrial ecosystem carbon accumulation using the E3SM land model Fine‐root dynamics vary with soil depth and precipitation in a low‐nutrient tropical forest in the Central Amazonia Global plant trait relationships extend to the climatic extremes of the tundra biome Open Science principles for accelerating trait-based science across the Tree of Life TRY plant trait database – enhanced coverage and open access Alder Distribution and Expansion Across a Tundra Hillslope: Implications for Local N Cycling... Physical and Functional Constraints on Viable Belowground Acquisition Strategies Pagination First page « First Previous page ‹Ĺ Page 1 Current page 2 Page 3 … Next page ›ĺ Last page Last » Key Links Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Earth Systems Science Section Plant - Soil Interactions Group Climate Change Science Institute
