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Browsing College of Forestry & Wildlife Sciences (General) by Title

Now showing items 28-47 of 71

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 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 ...

Modeling for proximate analysis and heating value of torrefied biomass with vibration spectroscopy 

Via, Brian; Adhikari, Sushil; Taylor, Steve (2013-04-11)
The goal of this study was to characterize the changes in biomass with torrefaction for near infrared reflectance (NIR) and attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy for sweetgum, ...

Multi-dimensional space use: the final frontier 

Belant, Jerrold L.; Millspaugh, Joshua J.; Martin, James A.; Gitzen, Robert A. (2019-12-13)

Near Infrared Spectroscopy Calibration for Wood Chemistry: Which Chemometric Technique Is Best for Prediction and Interpretation? 

Via, Brian K.; Zhou, Chengfeng; Acquah, Gifty E.; Jiang, Wei; Eckhardt, Lori G. (2019-08-02)
This paper addresses the precision in factor loadings during partial least squares (PLS) and principal components regression (PCR) of wood chemistry content from near infrared reflectance (NIR) spectra. The precision of ...

On the potential of lignin-containing cellulose nanofibrils (LCNFs): a review on properties and applications 

Solala, Iina; Iglesias, Maria C.; Peresin, Maria S.; 0000-0003-2619-5320 (2020-02-29)
This review outlines the present state and recent progress in the area of lignin-containing cellulose nanofibrils (LCNFs), an emerging family of green cellulose nanomaterials. Different types of LCNF raw materials are ...

Peromyscus responses to alternative forest management systems in the Missouri Ozarks, USA 

Gitzen, Robert A.; Renken, Rochelle B.; Fantz, Debby K.; Wolf, Alexander J.; Jensen, Randy G.; Favara, Jean; Millspaugh, Joshua J.; 0000-0001-8507-8197 (2019-07-30)
Operational-scale forest management experiments are long-term investments because harvest treatment effects may be dynamic throughout one or more rotation lengths. We examined deermouse (Peromyscus spp.) abundance over the ...

Prediction of strand feedstock mechanical properties with near infrared spectroscopy. 

Kohan, Neil; Via, Brian; Taylor, Steve (2013-04-04)
Wood strands either prepared in the laboratory or from a manufacturing plant were assessed for their ultimate tensile strength, tensile MOE, bending strength, and bending stiffness, and then near infrared spectroscopy was ...

Rapid Quantitative Analysis of Forest Biomass Using Fourier Transform Infrared Spectroscopy and Partial Least Squares Regression 

Acquah, Gifty E.; Via, Brian K.; Fasina, Oladiran O.; Eckhardt, Lori G.; 0000-0003-4269-0903; 0000-0003-2676-7376; 0000-0002-3270-8199 (2020-04-02)
Fourier transform infrared reflectance (FTIR) spectroscopy has been used to predict properties of forest logging residue, a very heterogeneous feedstock material. Properties studied included the chemical composition, thermal ...