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Xinyuan Wei

Assistant Research Professor in Forest Ecosystem Modeling
School of Forest Resources

Dr. Xinyuan Wei joined the School of Forest Resources in July 2023 as an Assistant Research Professor. Previously, he worked at Oak Ridge National Laboratory. His research interests include:
– Forest Biometrics, Forest Ecosystem Carbon Cycle
– Forest Ecosystem Simulation Model
– Remote Sensing, Geographic Information System

2026
Zhang, Y.,ÌýWei, X., Tasnim, R., Alaba, O., and Zhao, J. (2026). Carbon storage and allocation in semi-natural perennial wild blueberry ecosystems under traditional management.ÌýAgronomy Journal. Ìý
Wei, X., Hayes, D., McHale, G.,ÌýWeiskittel, A., Zhao, J. & Daigneault, A. (2026). PyFIA: A Python-based solution for analyzing and visualizing forest attributes with the US Forest Inventory database.ÌýCarbon Balance and Management. 21, 18.Ìý

2025
Wei, X., Hayes, D., Schwalm, C., Fisher, J., Huntzinger, D., Ma, L., Vargas, R.,Ìý&ÌýBrunsell, N. (2025). Climate constrains the enhancement of CO2Ìýfertilization on forest gross primary productivity.ÌýEnvironmental Research Letters. 20(6), 064013.Ìý
Zhao, J., Daigneault, A.,ÌýWei, X.,ÌýSalcido, E.,Ìý&ÌýWeiskittel, A.Ìý(2025). Forest type, landowner practices, and climate shape tree species diversity in Maine, USA.ÌýForest Ecology and Management.Ìý593, 122919.Ìý
ÌýPoulter, B., Murray-Tortarolo, G., Hayes, D., Ciais, P., Andrew, R., Byrne, B., …ÌýWei, X., …&ÌýZhang Z. (2025). The North American Greenhouse Gas Budget: emissions, removals, and integration for CO2, CH4, and N2O (2010-2019): Results from the Second REgional Carbon Cycle Assessment and Processes Study (RECCAP2).ÌýGlobal Biogeochemical Cycles. 39 (4), e2024GB008310.Ìý
Wei, X., Hayes, D.,ÌýWeiskittel, A., & Zhao, J. (2025). Warming-driven shifts in dominant tree species potentially reduce aboveground biomass in northeastern United States forests.ÌýForest Ecology and Management. 580, 122536.Ìý

2024
Wei, X.,ÌýHayes, D., Butman, D., Qi, J., Ricciuto, D., & Yang, X. (2024). Modeling exports of dissolved organic carbon from landscapes: A review of challenges and opportunities.ÌýEnvironmental Research Letters.Ìý
Roy, S.,ÌýWei, X., Weiskittel, A., Hayes, D., Nelson, P., & Contosta, A. (2024). Influence of climate zone shifts on forest ecosystems in northeastern United States and maritime Canada.ÌýEcological Indicators. 160, 111921.Ìý
Knox, R., Koven, C., Riley, W., Walker, A., Wright, J., Holm, J.,ÌýWei, X., Fisher, R., Zhu, Q., Tang, J., Kueppers, L., Ricciuto, D., Shuman, J., Yang, X.,Ìý& Chambers, J.Ìý(2024). Nutrient Dynamics in a Coupled Terrestrial Biosphere and Land Model (ELM-FATES-CNP).ÌýJournal of Advances in Modeling Earth Systems. 6 (13), e2023MS003689.Ìý
Wei, X., Hayes, D., Li, D., Butman, D., & Brewin, R. (2024). The fates of terrigenous dissolved organic carbon in the Gulf of Maine.ÌýEnvironmental Science & Technology.Ìý58(7), 3258-3266.

2023
Zhao, J., Daigneault, A., Weiskittel, A., &ÌýWei, X.Ìý(2023). Climate and socioeconomic impacts on Maine’s forests under alternative future pathways.ÌýEcological Economics. 214, 107979.Ìý
Zhao, J.,ÌýWei, X.,ÌýDiao, J., Chen, H., Lin, S., Zhu, Z., Jiang, X., & Zhu, H. (2023). Exploring plausible contributions of end-use harvested wood products to store atmospheric carbon in China.ÌýBiomass and Bioenergy. 177, 106934.Ìý
Brewin, R., Sathyendranath, S., Kulk, G., Rio, M., Concha, A., Bell, T., …ÌýWei, X., & Woolf, D. (2023). Ocean carbon from space: current status and priorities for the next decade.ÌýEarth-Science Reviews.Ìý240, 104386.Ìý
Wei, X., Hayes, D., Ku, P., Yang, X., & Ricciuto, D.Ìý(2023).ÌýDiminishing marginal effect in estimating dissolved organic carbon export from the watershed.ÌýEnvironmental Research Communications.Ìý5, 031003.
Casas-Ruiz, P., Bodmer, P., Bona, A., Couturier, M., Emilson, E., Finlay, K., Genet, H., Hayes, D., Karlsson, J., Kurz, W., Paré, D., Prairie, Y., Peng, C., Striegl, R.,ÌýWei, X.,ÌýZiegler, S., & del Giorgio. P. (2023). Integrating terrestrial and aquatic ecosystems to constrain estimates of land-atmosphere carbon exchange.ÌýNature Communications. 14, 1571.Ìý
Wei, X., Zhao, J., Hayes, D., Daigneault, A. & Zhu, H. (2023). A life cycle and product type based estimator for quantifying the carbon stored in wood products.ÌýCarbon Balance and Management. 18, 1.Ìý

2022
Zhao, J.,ÌýWei, X.,Ìý& Li, L. (2022).ÌýThe potential ability for storing carbon by harvested wood products.ÌýFrontiers in Forests and Global Change. 5, 1055410.Ìý
Li, L.,ÌýWei, X., Zhao, J., Hayes, D., Daigneault, A., Weiskittel, A., Kizha, A., & O’Neill, S. (2022). Technological advancement expands carbon storage in harvested wood products in Maine, USA.ÌýBiomass and Bioenergy. 161, 106457.Ìý
Diao, J., Liu, J., Zhu, Z.,ÌýWei, X.,Ìý& Li, M. (2022).ÌýActive forest management accelerates plantation forests carbon sink and storage in Lishui, China.ÌýForest Ecosystems.Ìý9, 1004.Ìý
Sun, J.,ÌýWei, X., Zhou Y., Chan, C., & Diao, J. (2022). Hurricanes substantially reduce the nutrients in tropical forested watersheds in Puerto Rico.ÌýForests.Ìý13(1), 71.

2021
Wei, X., Hayes, D., Fernandez, I., Zhao, J., Fraver, S., Chan, C., & Diao, J. (2021). Identifying key environmental factors explaining temporal patterns of DOC export from watersheds in the conterminous United States.ÌýJournal of Geophysical Research: Biogeosciences. 126(5), e2020JG005813.Ìý
Wei, X., Hayes, D., Fernandez, I., Fraver, S. Zhao, J., & Weiskittel, A. (2021). Climate and atmospheric deposition drive the inter-annual variability and long-term trend of dissolved organic carbon flux in the conterminous United States.ÌýScience of the Total Environment.Ìý771, 145448.Ìý
Wei, X., Hayes, D., & Fernandez, I. (2021). Fire reduces riverine DOC concentration draining a watershed and alters post-fire DOC recovery patterns.ÌýEnvironmental Research Letters. 16(2), 024022.

2019
Chen, C.,ÌýWei, X.,ÌýWeiskittel, A., & Hayes, D. (2019). Above-ground carbon stock in merchantable trees not reduced between cycles of spruce budworm outbreaks due to changing species composition in spruce-fir forests of Maine, USA.ÌýForest Ecology and Management. 453, 117590.Ìý
Wei, X., & Larsen, C. (2019). Methods to detect edge effected reductions in fire frequency in simulated forest landscapes.ÌýInternational Journal of Geo-Information.Ìý8(6), 277.Ìý

2018
Wei, X., Hayes, D., Fraver, S., & Chen, G. (2018). Global pyrogenic carbon production during recent decades has created the potential for a large, long-term sink of atmospheric CO2.ÌýJournal of Geophysical Research: Biogeosciences.Ìý123(12), 3682-3696.Ìý2018JG004490
Wei, X., & Larsen, C. (2018). Assessing the minimum number of time since last fire sample-points required to estimate the fire cycle: influences of fire rotation length and study area scale.ÌýForests.Ìý9(11), 708.Ìý

– The Python-based program for analyzing and processing Forest Inventory and Analysis (FIA) data (PyFIA) 
– The wood products carbon tracker 
– Aboveground Biomass for Howland Forest, Maine, 2012-2023. ORNL DAAC, Oak Ridge, Tennessee, USA. 
– Forest Aboveground Biomass for Maine, 2023. ORNL DAAC, Oak Ridge, Tennessee, USA. 

Areas of Expertise

Forest Carbon
Forest Mensuration
Forest Models
LiDAR

Education

Ph.D., Forest Resources, University of Maine, 2020
M.S., Geography, University at Buffalo, The State University of New York, 2015
B.E., Geographic Information Systems, Nanjing Forest University, 2013

Courses

SFR 402/503: Advanced Forest Measurements and Models
SFR 601: Forest Mensuration Problems
Potrait of Xinyuan Wei.
Assistant Research Professor in Forest Ecosystem Modeling