Publications

Publications Found: 1378

Conversion of natural forests to managed forest plantations impacts tree response to climatic variable and affects negatively tree resistance to prolonged droughts
Domec, J.C., Ward, E.J., Oishi, A.C., Palmroth, S., Radecki, A., Bell, D.M., Miao, G., Gavazzi, M., Johnson, D.M., King, J.S., McNulty, S.G., Oren, R., Sun, G., Noormets, A.

Throughout the southern US, past forest management practices have replaced large areas of native
forests with loblolly pine plantations and have resulted in changes in forest response to extreme
weather conditions. However, uncertainty remains about the response of planted versus natural
species to drought across the geographical …


Journal: Forest Ecology and Management, Volume 355: 58-71 (2015), ISBN . DOI: 10.1016 Sites: US-Dk2

The carbon balance pivot point of southwestern U.S. semiarid ecosystems: Insights from the 21st century drought
Scott, R.L., Biederman, J.A., Hamerlynck, E.P., Barron-Gafford, G.

Global-scale studies indicate that semiarid regions strongly regulate the terrestrial carbon sink.
However, we lack understanding of how climatic shifts, such as decadal drought, impact carbon sequestration across the wide range of structural diversity in semiarid ecosystems. Therefore, we used eddy covariance measurements to quantify …


Journal: Journal of Geophysical Research: Biogeosciences, Volume 120: 2612-2624 (2015), ISBN . DOI: 10.1002/2015JG003181 Sites: US-SRG, US-SRM, US-Whs, US-Wkg

Evaluation of impacts of management in an anthropogenic peatland using field and remote sensing data
Cabezas, J., Galleguillos, M., Valdés, A., Fuentes, J.P., Pérez, C., Pérez-Quezada, J.

Peatlands are a type of wetland characterized by the accumulation of organic matter, called peat, and are important carbon reservoirs. In areas with poor drainage, human-induced forest fires and logging can produce flooded conditions and organic matter accumulation, which generates an ecosystem called anthropogenic peatland. Productive …


Journal: Ecosphere, Volume 6 (12): 1-24 (2015), ISBN . DOI: 10.1890/ES15-00232.1 Sites: CL-SDP

Evapotranspiration Of Annual And Perennial Biofuel Crops In A Variable Climate
Abraha, M., Chen, J., Chu, H., Zenone, T., John, R., Su, Y., Hamilton, S. K., Robertson, G. P.

Eddy covariance measurements were made in seven fields in the Midwest USA over 4 years (including the 2012 drought year) to estimate evapotranspiration (ET) of newly established rain-fed cellulosic and grain …


Journal: GCB Bioenergy, Volume 7 (6): 1344-1356 (2015), ISBN . DOI: 10.1111/gcbb.12239 Sites: US-KL1, US-KL2, US-KL3, US-KM1, US-KM2, US-KM3, US-KM4

Long-Rotation Sugarcane In Hawaii Sustains High Carbon Accumulation And Radiation Use Efficiency In 2nd Year Of Growth
Anderson, R. G., Tirado-Corbalá, R., Wang, D., Ayars, J. E.

Sugarcane has been a major agronomic crop in Hawaii with an unique, high-yield, two-year production system. However, parameters relevant to advanced, cellulosic biofuel production, such as net ecosystem productivity (NEP) and radiation use efficiency (RUE), have not been evaluated in Hawaii under commercial production. Recent demand …


Journal: Agriculture, Ecosystems & Environment, Volume 199: 216-224 (2015), ISBN . DOI: 10.1016/j.agee.2014.09.012 Sites: US-SuM, US-SuS, US-SuW

Environmental And Vegetation Controls On The Spatial Variability Of CH4 Emission From Wet-Sedge And Tussock Tundra Ecosystems In The Arctic
McEwing, K. R., Fisher, J. P., Zona, D.

Aims

Despite multiple studies investigating the environmental controls on CH4 fluxes from arctic tundra ecosystems, the high spatial variability of CH4 emissions is not fully understood. This makes the upscaling of CH4


Journal: Plant And Soil, Volume 388 (1-2): 37-52 (2015), ISBN . DOI: 10.1007/s11104-014-2377-1 Sites: US-Ivo

The Uncertain Climate Footprint Of Wetlands Under Human Pressure
Petrescu, A. M., Lohila, A., Tuovinen, J., Baldocchi, D. D., Desai, A. R., Roulet, N. T., Vesala, T., Dolman, A. J., Oechel, W. C., Marcolla, B., Friborg, T., Rinne, J., Matthes, J. H., Merbold, L., Meijide, A., Kiely, G., Sottocornola, M., Sachs, T., Zona, D., Varlagin, A., Lai, D. Y., Veenendaal, E., Parmentier, F. W., Skiba, U., Lund, M., Hensen, A., van Huissteden, J., Flanagan, L. B., Shurpali, N. J., Grünwald, T., Humphreys, E. R., Jackowicz-Korczyński, M., Aurela, M. A., Laurila, T., Grüning, C., Corradi, C. A., Schrier-Uijl, A. P., Christensen, T. R., Tamstorf, M. P., Mastepanov, M., Martikainen, P. J., Verma, S. B., Bernhofer, C., Cescatti, A.

Significant climate risks are associated with a positive carbon–temperature feedback in northern latitude carbon-rich ecosystems, making an accurate analysis of human impacts on the net greenhouse gas balance of wetlands a priority. Here, we provide a coherent assessment of the climate footprint of a network of wetland sites based …


Journal: Proceedings Of The National Academy Of Sciences, Volume 112 (15): 4594-4599 (2015), ISBN . DOI: 10.1073/pnas.1416267112 Sites: US-PFa

Vulnerability Of Crops And Native Grasses To Summer Drying In The U.S. Southern Great Plains
Raz-Yaseef, N., Billesbach, D. P., Fischer, M. L., Biraud, S. C., Gunter, S. A., Bradford, J. A., Torn, M. S.

The Southern Great Plains are characterized by a fine-scale mixture of different land-cover types, predominantly winter-wheat and grazed pasture, with relatively small areas of other crops, native prairie, and switchgrass. Recent droughts and predictions of increased …


Journal: Agriculture, Ecosystems & Environment, Volume 213: 209-218 (2015), ISBN . DOI: 10.1016/j.agee.2015.07.021 Sites: US-ARM

Extreme Drought Effects On Summer Evapotranspiration And Energy Balance Of A Grassland In The Southern Great Plains
Rajan, N., Maas, S. J., Cui, S.

We investigated the impact of the 2011 severe drought on summer evapotranspiration (ET) and energy partitioning of a managed Old World bluestem grassland in the Southern Great Plains and compared the results with those from 2010, a hydrologically wet year. Measurements of CO2, latent heat (LE), and sensible heat (H) fluxes …


Journal: Ecohydrology, Volume 8 (7): 1194-1204 (2015), ISBN . DOI: 10.1002/eco.1574 Sites: US-LGr

Climatic Variability, Hydrologic Anomaly, And Methane Emission Can Turn Productive Freshwater Marshes Into Net Carbon Sources
Chu, H., Gottgens, J. F., Chen, J., Sun, G., Desai, A. R., Ouyang, Z., Shao, C., Czajkowski, K.

Freshwater marshes are well-known for their ecological functions in carbon sequestration, but complete carbon budgets that include both methane (CH4) and lateral carbon fluxes for these ecosystems …


Journal: Global Change Biology, Volume 21 (3): 1165-1181 (2015), ISBN . DOI: 10.1111/gcb.12760 Sites: US-WPT