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

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ASSESSMENT OF PINE BIOMASS DENSITY THROUGH MID-INFRARED SPECTROSCOPY AND MULTIVARIATE MODELING 

Via, Brian; Fasina, Oladiran; Pan, Hui (2013-04-04)
The assessment of wood biomass density through multivariate modeling of mid-infrared spectra can be useful for interpreting the relationship between feedstock density and functional groups. This study looked at predicting ...

The Canada Lynx (Lynx canadensis) of Isle Royale: Over-harvest, Climate Change, and the Extirpation of an Island Population 

Licht, Daniel S.; Moen, Ron A.; Brown, D. Paul; Romanski, Mark C.; Gitzen, Robert A. (2019-07-06)
In the 1930s, the Canada Lynx (Lynx canadensis) was extirpated from Isle Royale, a 535-km2 island located in western Lake Superior, 22 km from the Ontario and Minnesota shorelines. The first half of the 20th century was a ...

Cellulose Reinforcement of Phenol Formaldehyde: Characterization and Chemometric Elucidation 

Atta-Obeng, Emmanuel; Via, Brian; Fasina, Oladiran; Auad, Maria; Jiang, Wei (2013-04-05)
Micro sized crystalline cellulose was uniformly dispersed at loadings of 0, 3, 6, and 10% (by weight) in phenol formaldehyde (PF) and tested for thermal properties and shear strength. The application of cellulose into the ...

Century-long increasing trend and variability of dissolved organic carbon export from the Mississippi River basin driven by natural and anthropogenic forcing 

Ren, Wei; Tian, Hanqin; Cai, Wei-Jun; Lohrenz, Steven E.; Hopkinson, Charles S; Huang, Wei-Jen; Yang, Jia; Tao, Bo; Pan, Shufen; He, Ruoying; 0000-0002-1806-4091; 0000-0001-7920-1427 (2020-04-02)
There has been considerable debate as to how natural forcing and anthropogenic activities alter the timing and magnitude of the delivery of dissolved organic carbon (DOC) to the coastal ocean, which has ramifications for ...

Cheatgrass (Bromus tectorum) Dominates Cheek Pouch Contents of the Great Basin Pocket Mouse (Perognathus Parvus) 

Richardson, Kristen A.; West, Stephen D.; Gitzen, Robert A.; https://orcid.org/0000-0001-8507-8197 (2019-09-15)
Most of the native shrubsteppe habitat in the northern Columbia Basin of eastern Washington has been invaded by cheatgrass (Bromus tectorum) or converted to agricultural lands. Therefore, ecological patterns and dynamics ...

Chemometric modeling of thermogravimetric data for the compositional analysis of forest biomass 

Acquah, Gifty E.; Via, Brian K.; Fasina, Oladiran O.; Adhikari, Sushil; Billor, Nedret; Eckhardt, Lori G.; 0000-0003-4269-0903; 0000-0003-2676-7376; 0000-0003-4214-163X; 0000-0002-3270-8199 (2020-04-01)
The objective of this study was to investigated the use of chemometric modeling of thermogravimetric (TG) data as an alternative approach to estimate the chemical and proximate (i.e. volatile matter, fixed carbon and ash ...

A comparison of geometry effect on tensile testing of wood strands 

Kohan, Neil; Via, Brian; Taylor, Steve (2013-04-05)
There is currently no ASTM standard for testing the tensile mechanical properties of strands used in wood-strand–based composites. In this study we compared the ultimate tensile strength (UTS) parallel to grain and tensile ...

Development of a REgion‐Specific Ecosystem Feedback Fire (RESFire) Model in the Community Earth System Model 

Zou, Yufei; Wang, Yuhang; Ke, Ziming; Tian, Hanqin; Yang, Jia; Liu, Yongqiang; 0000-0002-1806-4091 (2020-04-01)
Fires play a critical role in modulating regional and global climate through disturbances on meteorological, biogeochemical, and hydrological processes, while fires are strongly affected by climate, terrestrial ecosystems, ...

Effect of microcrystalline cellulose, species, and particle size on mechanical and physical properties of particleboard 

Atta-Obeng, Emmanuel; Via, Brian; Fasina, Oladiran (2013-04-05)
Particleboards made from both sweetgum (Liquidambar styraciflua) and southern pine (Pinus spp.) were made at a small and large particle size and at 0 and 10% microcrystalline cellulose loading. Modulus of rupture, modulus ...

Effect Of Processing Parameters, Resin, and wax Loading On Water Vapor Sorption of Wood Strands 

Neimsuwan, Trairat; Wang, Siqun; Via, Brian (2013-04-09)
The outdoor use of oriented strandboard (OSB) is undesirable if exposed to atmospheric vapor or rain; however, increasing resin and wax content can mitigate adverse sorption behavior of panels under such negative conditions. ...

Effects of elevated tropospheric ozone and fluctuating moisture supply on loblolly pine seedlings inoculated with root infecting ophiostomatoid fungi 

Chieppa, Jeff; Eckhardt, Lori G.; Chappelka, Art; 0000-0001-9404-9638; 0000-0002-3270-8199 (2020-04-01)
Southern Pine Decline is a cause of premature mortality of Pinus species in the Southeastern United States. While the pathogenicity of ophiostomatoid fungi, associated with declining Pinus species, has been observed both ...

Fabrication and characterization of a triple functionalization of graphene oxide with Fe3O4, folic acid and doxorubicin as dual-targeted drug nanocarrier 

Wang, Zonghua; Zhou, Chengfeng; Xia, Jianfei; Via, Brian; Xia, Yanzhi; Zhang, Feifei; Li, Yanhui; Xia, Linhua (2013-04-04)
A novel triple functionalized drug delivery system was synthesized by encapsulation of superparamagnetic graphene oxide (GO) and doxorubicin (DOX) with folic acid (FA) conjugated chitosan (CHI). The carrier exhibited a ...

Genetically determined fungal pathogen tolerance and soil variation influence ectomycorrhizal traits of loblolly pine 

Piculell, Bridget J.; Eckhardt, Lori G.; Hoeksema, Jason D.; 0000-0002-3270-8199 (2020-04-01)
Selection on genetically correlated traits within species can create indirect effects on one trait by selection on another. The consequences of these trait correlations are of interest because they may influence how suites ...

Global Nitrous Oxide Emissions From Pasturelands and Rangelands: Magnitude, Spatiotemporal Patterns, and Attribution 

Dangal, Shree R. S.; Tian, Hanqin; Xu, Rongting; Chang, Jinfeng; Canadell, Josep G.; Ciais, Philippe; Pan, Shufen; Yang, Jia; Zhang, Bowen; 0000-0002-1806-4091; 0000-0001-7920-1427 (2020-04-01)
The application of manure and mineral nitrogen (N) fertilizer, and livestock excreta deposition are the main drivers of nitrous oxide (N2O) emissions in agricultural systems. However, the magnitude and spatiotemporal ...

Global Pyrogenic Carbon Production During Recent Decades Has Created the Potential for a Large, Long-Term Sink of Atmospheric CO2 

Wei, Xinyuan; Hayes, Daniel J.; Fraver, Shawn; Chen, Guangsheng; 0000-0001-6544-5287 (2020-05-26)
Fires play an important role in the terrestrial biosphere carbon cycle, not only through direct carbon release but also contributing to a potential long-term storage as pyrogenic carbon (PyC). PyC is formed through fires, ...

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 ...

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 ...