Terrance D. Loecke
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View article: Ammonia-oxidizing archaea and bacteria differentially contribute to ammonia oxidation in soil under precipitation gradients and land legacy
Ammonia-oxidizing archaea and bacteria differentially contribute to ammonia oxidation in soil under precipitation gradients and land legacy Open
Background Global change has accelerated the nitrogen cycle. Soil nitrogen stock degradation by microbes leads to the release of various gases, including nitrous oxide (N 2 O), a potent greenhouse gas. Ammonia-oxidizing archaea (AOA) and a…
View article: Root distributions, precipitation, and soil structure converge to govern soil organic carbon depth distributions
Root distributions, precipitation, and soil structure converge to govern soil organic carbon depth distributions Open
© 2023 The Author(s) cc-by-nc-nd
View article: SOC depth distribution patterns across the US Midwest
SOC depth distribution patterns across the US Midwest Open
Data and codes used in the paper "Root distributions, precipitation, and soil structure converge to govern soil organic carbon depth distributions", https://doi.org/10.1016/j.geoderma.2023.116569. v2: Updated codes and figures on May 3, 20…
View article: SOC depth distribution patterns across the US Midwest
SOC depth distribution patterns across the US Midwest Open
Data and codes used in the paper "Root distributions, precipitation, and soil structure converge to govern soil organic carbon depth distributions", https://doi.org/10.1016/j.geoderma.2023.116569. v2: Updated codes and figures on May 3, 20…
View article: SOC depth distribution patterns across the US Midwest
SOC depth distribution patterns across the US Midwest Open
Data and codes used in the paper "Root distributions, precipitation, and soil structure converge to govern soil organic carbon depth distributions".
View article: Precipitation, Not Land Use, Primarily Determines the Composition of Both Plant and Phyllosphere Fungal Communities
Precipitation, Not Land Use, Primarily Determines the Composition of Both Plant and Phyllosphere Fungal Communities Open
Plant communities and fungi inhabiting their phyllospheres change along precipitation gradients and often respond to changes in land use. Many studies have focused on the changes in foliar fungal communities on specific plant species, howe…
View article: Surface Soil Organic Carbon Sequestration Under Post Agricultural Grasslands Offset by Net Loss at Depth
Surface Soil Organic Carbon Sequestration Under Post Agricultural Grasslands Offset by Net Loss at Depth Open
Post agricultural grasslands are considered to accumulate soil organic carbon (SOC) after cultivation cessation. The Conservation Reserve Program (CRP) in the U.S. is a wide scale, covering approximately 8.9 Mha as of 2020, example of row-…
View article: You are welcome here: A practical guide to diversity, equity, and inclusion for undergraduates embarking on an ecological research experience
You are welcome here: A practical guide to diversity, equity, and inclusion for undergraduates embarking on an ecological research experience Open
As we build a more diverse, equitable, and inclusive culture in the ecological research community, we must work to support new ecologists by empowering them with the knowledge, tools, validation, and sense of belonging in ecology to succee…
View article: <strong>You are Welcome Here: Considerations of Diversity, Equity, and Inclusion for Embracing New Ecologists</strong>
<strong>You are Welcome Here: Considerations of Diversity, Equity, and Inclusion for Embracing New Ecologists</strong> Open
Ecology is working to face its colonial roots and institutional inequities. As we build more diverse, equitable, and inclusive (DEI) institutions we must work to support new ecologists by empowering them with the knowledge and tools to suc…
View article: Weather whiplash in agricultural regions drives deterioration of water quality
Weather whiplash in agricultural regions drives deterioration of water quality Open
Excess nitrogen (N) impairs inland water quality and creates hypoxia in coastal ecosystems. Agriculture is the primary source of N; agricultural management and hydrology together control aquatic ecosystem N loading. Future N loading will b…
View article: Copulas and their potential for ecology
Copulas and their potential for ecology Open
All branches of ecology study relationships among and between environmental and biological variables. However, standard approaches to studying such relationships, based on correlation and regression, provide only a small slice of the compl…
View article: Plant Species and Hydrology as Controls on Constructed Wetland Methane Fluxes
Plant Species and Hydrology as Controls on Constructed Wetland Methane Fluxes Open
Core Ideas Wetland plant species and site hydrology affect methane fluxes. Plant species effects were clearer under stable hydrology in mesocosm experiments. Species was not as important as the long‐term saturation pattern under variable f…
View article: Seasonal Salinization Decreases Spatial Heterogeneity of Sulfate Reducing Activity
Seasonal Salinization Decreases Spatial Heterogeneity of Sulfate Reducing Activity Open
Evidence of sulfate input and reduction in coastal freshwater wetlands is often visible in the black iron monosulfide (FeS) complexes that form in iron rich reducing sediments. Using a modified Indicator of Reduction in Soils (IRIS) method…
View article: Reply to Wassmann et al.: More data at high sampling intensity from medium- and intense-intermittently flooded rice farms is crucial
Reply to Wassmann et al.: More data at high sampling intensity from medium- and intense-intermittently flooded rice farms is crucial Open
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
View article: Variation in Stream Chemistry Across the Kansas Precipitation Gradient
Variation in Stream Chemistry Across the Kansas Precipitation Gradient Open
How do stream order, land use, and stream position within the precipitation gradient across Kansas affect stream chemistry? Land use will drive changes in stream chemistry that are biologically driven (e.g., DOC, NO3-), whereas stream orde…
View article: Soil Oxygen Dynamics: Patterns and Lessons from Six Years of High Frequency Monitoring
Soil Oxygen Dynamics: Patterns and Lessons from Six Years of High Frequency Monitoring Open
Soil oxygen (O2) is a fundamental control on terrestrial biogeochemical cycles including processes producing and consuming greenhouse gases (GHG), yet it is rarely measured. Instead, soil O2 is assumed to be proportional to soil moisture a…
View article: Nutrient export to groundwater across a land use and historical climate gradient
Nutrient export to groundwater across a land use and historical climate gradient Open
Groundwater inputs to streams are important to intermittent stream function and can be a source of nutrients such as nitrogen and phosphorus. The amount of nutrients within groundwater are an important factor for downstream processes, incl…
View article: Reply to Yan and Akiyama: Nitrous oxide emissions from rice and their mitigation potential depend on the nature of intermittent flooding
Reply to Yan and Akiyama: Nitrous oxide emissions from rice and their mitigation potential depend on the nature of intermittent flooding Open
Our fundamental message (1) is that under intense forms of intermittent flooding—a technique used to reduce methane emissions from rice farms (2)—emissions of nitrous oxide (N2O), a long-term climate forcer (Fig. 1), can be very high.
F…
View article: Using high-frequency soil oxygen sensors to predict greenhouse gas emissions from wetlands
Using high-frequency soil oxygen sensors to predict greenhouse gas emissions from wetlands Open
View article: High nitrous oxide fluxes from rice indicate the need to manage water for both long- and short-term climate impacts
High nitrous oxide fluxes from rice indicate the need to manage water for both long- and short-term climate impacts Open
Significance Methane from global rice cultivation currently accounts for one-half of all crop-related greenhouse gas emissions. Several international organizations are advocating reductions in methane emissions from rice by promoting inter…
View article: Global risk assessment of high nitrous oxide emissions from rice production Incorporating the discovery of high N2O fluxes under intermittent flooding-A white paper by Environmental Defense Fund and partners
Global risk assessment of high nitrous oxide emissions from rice production Incorporating the discovery of high N2O fluxes under intermittent flooding-A white paper by Environmental Defense Fund and partners Open
View article: Spatiotemporal predictions of soil properties and states in variably saturated landscapes
Spatiotemporal predictions of soil properties and states in variably saturated landscapes Open
Understanding greenhouse gas (GHG) fluxes from landscapes with variably saturated soil conditions is challenging given the highly dynamic nature of GHG fluxes in both space and time, dubbed hot spots, and hot moments. On one hand, our abil…
View article: Weather whiplash in agricultural regions drives deterioration of water quality
Weather whiplash in agricultural regions drives deterioration of water quality Open
Excess nitrogen (N) impairs inland water quality and creates hypoxia in coastal ecosystems. Agriculture is the primary source of N; agricultural management and hydrology together control aquatic ecosystem N loading. Future N loading will b…
View article: Prediction of Soil Carbon in the Conterminous United States: Visible and Near Infrared Reflectance Spectroscopy Analysis of the Rapid Carbon Assessment Project
Prediction of Soil Carbon in the Conterminous United States: Visible and Near Infrared Reflectance Spectroscopy Analysis of the Rapid Carbon Assessment Project Open
Core Ideas We modeled ∼20,000 samples in RaCA from conterminous US to predict OC TC with VisNIR. We developed local models by four variables: RaCA Region, Land Use, Horizon, and Texture. We compared local models with the global models and …
View article: Coupled soil oxygen and greenhouse gas dynamics under variable hydrology
Coupled soil oxygen and greenhouse gas dynamics under variable hydrology Open
View article: Sampling guidelines and analytical optimization for direct greenhouse gas emissions from tropical rice and upland cropping systems
Sampling guidelines and analytical optimization for direct greenhouse gas emissions from tropical rice and upland cropping systems Open
We describe a modified manual closed-chamber approach with detachable lid and vertically stackable chambers for sampling followed by simultaneous analysis of nitrous oxide (N2O) and methane (CH4) for measuring greenho…
View article: Sampling guidelines and analytical optimization for direct greenhouse gas emissions from tropical rice and upland cropping systems
Sampling guidelines and analytical optimization for direct greenhouse gas emissions from tropical rice and upland cropping systems Open
We describe a modified manual closed-chamber approach with detachable lid and vertically stackable chambers for sampling followed by simultaneous analysis of nitrous oxide (N2O) and methane (CH4) for measuring greenho…