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Heavy Precipitation Impacts on Nitrogen Loading to the Gulf of Mexico in the 21st Century: Model Projections Under Future Climate Scenarios 

Zhang, Jien; Lu, Chaoqun; Crumpton, William; Jones, Christopher; Tian, Hanqin; Villarini, Gabriele; Schilling, Keith; Green, David; 0000-0002-1806-4091; 0000-0001-9566-2370; 0000-0002-0439-003X (2022-12-02)
While spatial heterogeneity of riverine nitrogen (N) loading is predominantly driven by the magnitude of basin-wide anthropogenic N input, the temporal dynamics of N loading are closely related to the amount and timing of ...

High Throughput Screening of Elite Loblolly Pine Families for Chemical and Bioenergy Traits with Near Infrared Spectroscopy 

Acquah, Gifty E.; Via, Brian K.; Gallagher, Tom; Billor, Nedret; Fasina, Oladiran O.; Eckhardt, Lori G.; 0000-0003-4269-0903; 0000-0003-2676-7376; 0000-0003-4214-163X; 0000-0002-3270-8199 (2020-04-01)
Pinus taeda L. (loblolly pine) dominates 13.4 million ha of US southeastern forests and contributes over $30 billion to the economy of the region. The species will also form an important component of the renewable energy ...

Identifying Plant Part Composition of Forest Logging Residue Using Infrared Spectral Data and Linear Discriminant Analysis 

Acquah, Gifty E.; Via, Brian K.; Billor, Nedret; Fasina, Oladiran O.; Eckhardt, Lori G.; 0000-0003-4269-0903 (2020-05-26)
As new markets, technologies and economies evolve in the low carbon bioeconomy, forest logging residue, a largely untapped renewable resource will play a vital role. The feedstock can however be variable depending on plant ...

The Impact of Drought and Vascular-Inhabiting Pathogen Invasion in Pinus taeda Health 

Devkota, Pratima; Enebak, Scott A.; Eckhardt, Lori G.; 0000-0002-3270-8199 (2020-04-01)
The complex interaction of various biotic and abiotic factors may put the overall stand health of Pinus spp. at risk. A study was designed to determine the combined impact of drought and vascular-inhabiting fungi (Leptographium ...

IMPREGNATION OF BIO-OIL FROM SMALL DIAMETER PINE INTO WOOD FOR MOISTURE RESISTANCE 

Robinson, T.J.; Via, Brian; Fasina, Oladiran; Adhikari, Sushil; Carter, Emily (2013-04-04)
Wood pyrolysis oil consists of hundreds of complex compounds, many of which are phenolic-based and exhibit hydrophobic properties. Southern yellow pine was impregnated with a pyrolysis oil-based penetrant using both a high ...

Improving Representation of Crop Growth and Yield in the Dynamic Land Ecosystem Model and Its Application to China 

Zhang, Jingting; Tian, Hanqin; Yang, Jia; Pan, Shufen; https://orcid.org/0000-0002-1806-4091 (2022-07-29)
To accurately assess the roles of agriculture in securing food security and maintaining environmental sustainability, it is essential to improve the representation of crop growth, development, and yield formation in global ...

Increased light-use efficiency in northern terrestrial ecosystems indicated by CO2 and greening observations 

Thomas, Rebecca T.; Prentice, Lain Colin; Graven, Heather; Ciais, Philippe; Fisher, Joshua B; Hayes, Daniel J; Huang, Maoyi; Huntzinger, Deborah N.; Ito, Akihiko; Jain, Atul; Mao, Jiafu; Michalak, Anna M.; Peng, Shushi; Poulter, Benjamin; Ricciuto, Daniel M.; Shi, Xiaoying; Schwalm, Christopher; Tian, Hanqin; Zeng, Ning; 0000-0002-1806-4091 (2020-04-01)
Observations show an increasing amplitude in the seasonal cycle of CO2 (ASC) north of 45 degrees N of 56 +/- 9.8% over the last 50 years and an increase in vegetation greenness of 7.5-15% in high northern latitudes since ...

Increasing Mississippi river discharge throughout the 21st century influenced by changes in climate, land use, and atmospheric CO2 

Tao, Bo; Tian, Hanqin; Ren, Wei; Yang, Jia; Yang, Qichun; He, Ruoying; Cai, Weijun; Lohrenz, Steven (2022-09-15)
Previous studies have demonstrated that changes in temperature and precipitation (hereafter climate change) would influence river discharge, but the relative importance of climate change, land use, and elevated atmospheric ...

Incubation Conditions Are More Important in Determining Early Thermoregulatory Ability than Posthatch Resource Conditions in a Precocial Bird 

DuRant, S. E.; Hopkins, W. A.; Carter, A. W.; Stachowiak, C. M.; Hepp, G. R. (2022-09-16)
Recent research in birds suggests that investing in incubation is one mechanism by which parents can enhance the phenotype of their offspring. Posthatch environmental conditions can also shape an individual’s phenotype, ...

Individual-based modeling to project viability of gopher tortoise populations under alternative management scenarios: A case study with two Alabama Wildlife Management Areas 

Tripp, Helen E.; Gitzen, Robert A.; Silvano, Amy L.; 0000-0001-8507-8197 (2019-09-29)
Population projection models are applied tools for considering the potential effects of land and population management alternatives. Incorporating spatially explicit processes and individual dynamics into these models can ...

Integrating a process-based ecosystem model with Landsat imagery to assess impacts of forest disturbance on terrestrial carbon dynamics: Case studies in Alabama and Mississippi 

Chen, Guangsheng; Tian, Hanqin; Huang, Chengquan; Prior, Stephen; Pan, Shufen; 0000-0002-1806-4091; 0000-0003-1750-6326; 0000-0001-7920-1427; 0000-0003-0055-9798 (2022-12-02)
Forest ecosystems in the southern United States are dramatically altered by three major disturbances: timber harvesting, hurricane, and permanent land conversion. Understanding and quantifying effects of disturbance on ...

Integrating info-gap decision theory with robust population management: a case study using the Mountain Plover 

Post van der Burg, Max; Tyre, Andrew J. (2022-03-04)
Wildlife managers often make decisions under considerable uncertainty. In the most extreme case, a complete lack of data leads to uncertainty that is unquantifiable. Information-gap decision theory deals with assessing ...

Investigation of Adult Male White-tailed Deer Excursions Outside Their Home Range 

Karns, Gabriel R.; Lancia, Richard A.; DePerno, Christopher S.; Conner, Mark C. (2022-03-03)
- Although male and female Odocoileus virginianus (White-tailed Deer) exhibit high site fi delity throughout the year, individuals occasionally leave their home ranges on short excursions during the fall and winter months. ...

Is natural defense capacity correlated with allocation of dry mass to the stem in loblolly pine? 

Sayer, Mary Anne S.; Tyree, Michael C.; Blazier, Michael A.; Sun, Shi-Jean S.; Eckhardt, Lori G.; 0000-0002-3270-8199 (2020-06-09)
In addition to selecting loblolly pine (Pinus taeda L.) genotypes for superior growth, the concept of customized genetic selection may apply where tree vigor is threatened by insects and disease. A study conducted with ...

Long-term trends in evapotranspiration and runoff over the drainage basins of the Gulf of Mexico during 19012008 

Liu, Mingliang; Tian, Hanqin; Yang, Qichun; Yang, Jia; Song, Xia; Lohren, Steven E.; Cai, Wei-Jun; 0000-0002-1806-4091 (2020-04-01)
The Gulf of Mexico (GOM) is facing large pressures from environmental changes since the beginning of the last century. However, the magnitude and long-term trend of total water discharge to the GOM and the underlying ...

Mapping the Social Network: Tracking lice in a wild primate population (Microcebus rufus) to infer social contacts and vector potential 

Zohdy, Sarah; Kemp, Addison D.; Durden, Lance A.; Wright, Patricia C.; Jernvall, Jukka; 0000-0001-5316-0567 (2022-03-11)
Studies of host-parasite interactions have the potential to provide insights into the ecology of both organisms involved. We monitored the movement of sucking lice (Lemurpediculus verruculosus), parasites that require ...

Maternal life history of white-tailed deer: factors affecting fetal sex allocation, conception timing, and senescence 

Karns, G. R.; Holland, A. M.; Seury, T. D.; Ditchkoff, S. S.; 0000-0001-6754-8319; 0000-0002-7414-5777 (2022-03-03)
Questions: How does maternal condition and regional variation in resource abundance affect fetal sex ratio allocation, timing of litter conception, and decreased fecundity due to senescence? Data studied: We used female ...

Methane emissions from global rice fields: Magnitude, spatiotemporal patterns, and environmental controls 

Zhang, Bowen; Tian, Hanqin; Ren, Wei; Tao, Bo; Lu, Chaoqun; Yang, Jia; Banger, Kamaljit; Pan, Shufen; 0000-0002-1806-4091; 0000-0001-7920-1427 (2020-04-02)
Given the importance of the potential positive feedback between methane (CH4) emissions and climate change, it is critical to accurately estimate the magnitude and spatiotemporal patterns of CH4 emissions from global rice ...

Methane exchange between marshland and the atmosphere over China during 1949-2008 

Xu, Xiaofeng; Tian, Hanqin; 0000-0002-1806-4091; 0000-0002-6553-6514 (2020-02-25)
We used a process-based ecosystem model to examine methane (CH4) fluxes in the marshland across China as a result of multifactor global changes during 1949–2008. Our simulated results show a significant declining rate of ...

Microsatellite and mating type markers reveal unexpected patterns of genetic diversity in the pine root‐infecting fungus Grosmannia alacris 

Duong, Tuan A.; De Beer, Z. Wilhelm; Wingfield, Brenda D.; Eckhardt, Lori G.; Wingfield, Michael J.; 0000-0002-3270-8199 (2021-03-22)
Grosmannia alacris is a fungus commonly associated with root‐infesting bark beetles occurring on Pinus spp. The fungus has been recorded in South Africa, the USA, France, Portugal and Spain and importantly, has been ...