Kewei Yu, PhD, Professor

Department of Biological and Environmental Sciences

McCall Hall Room 210-C, Troy University, Troy, AL 36082, USA

Phone: 334-808-6316 Email: kyu@troy.edu

Amateur Radio License

US Federal Communications Commission call sign - KE5WEI

Education Background

Ph.D.	2000	Biogeochemistry	Louisiana State University, Baton Rouge, LA, USA
M.S.	1991	Microbial Ecology	Institute of Applied Ecology, Chinese Academy of Sciences, China
B.S.	1988	Biochemistry	Jilin University, China

Courses Offered

Principles of Biology (BIO 1100)

Survey of Environmental Science (BIO 1120) and Lab (BIO L120)

Environmental Pollution and Control (BIO 3328) and Lab (BIO L328)

Pollution Science (BIO/EBS 6630) and Lab (BIO/EBS L630)

Seminars in Environmental and Biological Sciences (BIO/EBS 6617/6618)

Research Interests

Global climate change and greenhouse gases
Wetland biogeochemistry
Biodegradation of petroleum/dispersant and its ecological impacts

Academic Services

Editor-in-Chief: Archives of Agronomy and Soil Science (Taylor & Francis)

Proposal review: United States Department of Agriculture (USDA)

Louisiana Board of Regents

Expert review: The Second Order Draft (SOD) of the 2013 Supplement to the 2006 Intergovernmental Panel on Climate Change

(IPCC) Guidelines for National Greenhouse Gas Inventories: Wetlands (Wetlands Supplement)

First Order Draft (FOD) of the 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Manuscript review:

Acta Physiologiae Plantarum	Advances in Atmospheric Sciences	Archives of Agronomy and Soil Science
Australian Journal of Soil Research	Biology and Fertility of Soils	Chemosphere
Environmental Pollution	Environmental Science and Pollution Research	European Journal of Soil Sciences
Journal of Environmental Quality	Journal of Hazardous Materials	Korean Society of Soil Science and Fertilizer
Atmospheric Environment	Ecological Modeling	Global Change Biology
Water, Air, and Soil Pollution	Wetlands	Soil and Sediment contamination
Soil Science and Plant Nutrition	Soil Science Society of America Journal	Toxicological and Environmental Chemistry
Journal of Environmental Science and Health	Journal of Freshwater Ecology	Petroleum Science
Agriculture, Ecosystems and Environment	Analytical Letters	Environmental Technology
The Philippine Agricultural Scientist Journal of Chemical Technology & Biotechnology	International Journal of Environmental Protection Environmental Geochemistry and Health	Journal of Soils and Sediments

Referred Publications

1. Li YX, Xu DF, Guan YD, Yu KW and Wang WH, 2019. Phosphorus sorption capacity of biochars from different waste woods and bamboo, International Journal of Phytoremediation 21(2): 145-151. (PDF)

2. Xu DF, Cao JM, Li YX, Howard A and Yu KW, 2019. Effect of pyrolysis temperature on characteristics of biochars derived from different feedstocks: A case study on ammonium adsorption capacity, Waste Management 87: 652-660. (PDF)

3. Thi Van Le H, and Yu KW, 2019. Long-term effect of crude oil and dispersant on denitrification and organic matter mineralization in a salt marsh sediment, Chemosphere 220: 582-589. (PDF)

4. Tao R, Olivera-Irazabal M, and Yu KW, 2018. Effect of temperature and dispersant (COREXIT® EC 9500A) on aerobic biodegradation of benzene in a coastal salt marsh sediment, Chemosphere 204: 22–27. (PDF)

5. Rinklebe J, Shaheen SM and Yu KW, 2016. Release of As, Ba, Cd, Cu, Pb, and Sr under pre-definite redox conditions in different rice paddy soils originating from the U.S.A. and Asia, Geoderma 270: 21-32. (PDF)

6. Keating MP, Ochs CA, Balachandran D, Holland MM, Lizotte RE, Yu KW, 2016. Spatial variation related to hydrologic patterns and vegetation in greenhouse gas fluxes from the Mississippi Delta agricultural region, Applied Soil Ecology 98: 278–281. (PDF)

7. Al-Jawasim M, Yu KW and Park JW, 2015. Synergistic effect of crude oil plus dispersant on bacterial community in a Louisiana salt marsh sediment, FEMS Microbiology Letters, 362, fnv144. (PDF)

8. Park JW and Yu KW, 2014. Observations and analyses of microbial pathogens affected by the Deepwater Horizon oil spill, In: Oil spills: Environmental Issues, Prevention and Ecological Impacts (Ed. Adam Clifton), NOVA Science Publisher, Inc. ISBN: 978-1-63321-548-1, Chapter 2, pp 47-66. (Invited, PDF)

9. Martinec CC, Miller JM, Barron NK, Tao R, Yu KW, Stewart PW, Nichols AC, Steffy DA, and Landers SC, 2014. Sediment Chemistry and Meiofauna from the Northern Gulf of Mexico Continental Shelf, International Journal of Oceanography 2014: ID 625718. (PDF)

10. Shi RJ and Yu KW, 2014. Impact of exposure of crude oil and dispersant (COREXIT® EC 9500A) on denitrification and organic matter mineralization in a Louisiana salt marsh sediment, Chemosphere 108: 300–305. (PDF)

11. Gupta A, Yu KW, and Park JW, 2014. Dominant indigenous bacteria in gasoline-treated marshes around Lake Pontchartrain, Louisiana, Water, Air, & Soil Pollution 225: 2011. (PDF)

12. Landers SC, Nichols AC, Barron NK, Schimmer CA, Tao R, Yu KW, Stewart PM, and Olafsson E, 2014. Nematode and copepod diversity (2012) from Louisiana near the Deepwater Horizon oil spill, Proceedings of the Biological Society of Washington 127(1): 47–57. (PDF)

13. Yu KW and DeLaune RD, 2013. A brief history on soil microcosms as an experimental apparatus for biogeochemical research, in: Microcosms: Ecology, Biological Implications and Environmental Impact (Ed Harris CC), Commentary, pages 169-177, Nova Science Publishers, Inc. (Invited, PDF)

14. Yu KW and Rinklebe J, 2013. Soil redox potential and pH controllers, in: Methods in Biogeochemistry of Wetlands (Eds DeLaune RD, Reddy KR, Richardson CJ, and Megonigal JP), Chapter 7, pages 107-116, Soil Science Society of America. (invited, PDF)

15. Yu KW, Hiscox A, and DeLaune RD, 2013. Greenhouse gas emission by static chamber and eddy flux method, in: Methods in Biogeochemistry of Wetlands (Eds DeLaune RD, Reddy KR, Richardson CJ, and Megonigal JP), Chapter 22, pages 427-438, Soil Science Society of America. (invited, PDF)

16. Tao R and Yu KW, 2013. Nitrate addition has minimal effect on anaerobic biodegradation of benzene in coastal saline (salt), brackish and freshwater marsh sediments, Wetlands 33: 759-767. (PDF)

17. Yu JO, Tao R, and Yu KW, 2012. Anaerobic biodegradation of benzene in salt marsh sediment of the Louisiana Gulf coast, Ecological Engineering 40: 6–10. (PDF)

18. Yu KW and DeLanue RD, 2012. A Comparison Analysis of Edge-of-field Runoff from Two Sugarcane Fields, Archives of Agronomy and Soil Science, 58: 51-59. (PDF)

19. Yu KW, 2011. Redox potential control on cumulative global warming potentials from irrigated rice fields, in: Understanding Greenhouse Gas Emissions from Agricultural Management (Eds Guo, L., et al.) Chapter 7, pages 121–134, American Chemical Society, Washington, DC. (Invited, PDF)

20. Yu KW and Rinklebe J, 2011. Advancement in soil microcosm apparatus for biogeochemical research. Ecological Engineering 37: 2071-2075. (PDF)

21. Yu KW, Seo DC, DeLanue RD, 2010. Incomplete acetylene inhibition of nitrous oxide reduction in potential denitrification assay as revealed by using ¹⁵N-nitrate tracer, Communications in Soil Science and Plant Analysis 41: 2201–2210, 2010. (PDF)

22. Yu KW, Chen GX, 2009. Nitrous oxide emissions from terrestrial plants: observations, mechanisms and implications, in: Nitrous Oxide Emissions Research Progress (Eds Sheldon AI, Barnhart EP), pages 85-104, Nova Science Publishers, Inc. (Invited, PDF)

23. Koh HS, Ochs CA, Yu KW, 2009. Hydrologic gradient and vegetation controls on CH₄ and CO₂ fluxes in a spring-fed forested wetland, Hydrobiologia 630: 271–286. (PDF)

24. Huang B, Yu KW, Gambrell RP, 2009. Effects of ferric iron reduction and regeneration on nitrous oxide and methane emissions in a rice soil, Chemosphere 74: 481-486. (PDF)

25. Yu KW, DeLanue RD, Devai I, Tao R and Jugsujinda A, 2008. Total and methyl mercury in wetland sediments of Lake Pontchartrain Basin (USA), Journal of Environmental Science and Health Part A – Toxic/Hazardous Substances and Environmental Engineering 43(14): 1657-1662. (PDF)

26. Seo DC, Yu KW, DeLanue RD, 2008. Comparison of monometal and multimetal adsorption in Mississippi River alluvial wetland sediment: batch and column experiments, Chemosphere 73: 1757–1764. (PDF)

27. Yu KW, DeLanue RD, Tao R and Beine RL, 2008. Nonpoint source of nutrients and herbicides associated with sugarcane production and its impact on water quality, Journal of Environmental Quality 37: 2275-2283. (PDF)

28. Yu KW, Struwe S, Kjøller A, Chen GX, 2008. Nitrous oxide production and consumption potential in an agricultural and a forest soil, Communications in Soil Science and Plant Analysis 39: 2205-2220. (PDF)

29. Seo DC, Yu KW,DeLanue RD, 2008. Influence of salinity level on sediment denitrification in a Louisiana estuary receiving diverted Mississippi River water. Archives of Agronomy and Soil Science 54: 249-257. (PDF)

30. Yu KW, Faulkner SP, Baldwin MJ, 2008. Effect of hydrological conditions on nitrous oxide, methane, and carbon dioxide dynamics in a bottomland hardwood forest and its implication on soil carbon sequestration, Global Change Biology 14: 798-812. (PDF)

31. Yu KW, Struwe S, Kjøller A, Chen GX, 2008. Denitrification rate determined by nitrate disappearance is higher than determined by nitrous oxide production with acetylene blockage, Ecological Engineering 32: 90-96. (PDF)

32. Yu KW, Böhme F, Rinklebe J, Neue HU, DeLaune RD, 2007. Major biogeochemical processes in rice soils – a microcosm incubation from reducing to oxidizing conditions. Soil Science Society of America Journal 71:1406-1417. (PDF)

33. Yu KW,Chen GX, Xu H, 2006. Rice yield reduction by chamber enclosure: a possible effect on enhancing methane production. Biology and Fertility of Soils 43:257-261. (PDF)

34. Yu KW,DeLanue RD, Boeckx P, 2006. Direct measurement of denitrification activity in a Gulf coast freshwater marsh receiving diverted Mississippi River water. Chemosphere 65 (11): 2449-2455. (PDF)

35. Kravchenko IK, Yu KW, 2006. Relationship between major soil properties and culturable microorganisms affecting CH4 and N2O dynamics in rice soils. Archives of Agronomy and Soil Science 52 (6): 607-615. (PDF)

36. Yu KW, DeLaune RD, 2006. A modified soil diffusion chamber for gas profile analysis. Soil Science Society of America Journal 70:1237-1241. (PDF)

37. Yu KW, Faulkner SP, Tao R, 2006. Non-continuous development of reducing conditions in wetland soils. Communications in Soil Science and Plant Analysis 37: 1775–1781. (PDF)

38. Yu KW, Faulkner SP, Patrick WH, 2006. Redox potential characterization and soil greenhouse gas concentration across a hydrological gradient in a Gulf coast forest. Chemosphere 62 (6): 905-914. (PDF)

39. Yu KW,Chen GX, Patrick WH, 2005. Soil redox window with minimum nitrous oxide and methane production: its application in rice field. Third International Nitrogen Conference, October 12-16 2004, Nanjing, China 694-700. (PDF)

40. Yu KW, Patrick WH, 2004. Redox window with minimum global warming potential contribution from rice soils. Soil Science Society of America Journal 68: 2086-2091. (PDF, featured in SSSAJ cover and USDA Cover Story)

41. Yu KW, Chen GX, Patrick WH, 2004. Reduction of global warming potential contribution from a rice field by irrigation, organic matter, and fertilizer management. Global Biogeochemical Cycles 18 (3): Art. No. GB3018. (PDF)

42. Yu KW, Patrick WH, 2003. Redox range with minimum nitrous oxide and methane production in a rice soil under different pH. Soil Science Society of America Journal 67: 1952-1958. (PDF)

43. Chen GX, Xu H, Zhang Y, Zhang XJ, Li YY, Shi RJ, Yu KW, Zhang XD, 2003. Plant: a potential source of the atmospheric N₂O. Quaternary Sciences 23(5): 504-511. (in Chinese with English abstract)

44. Yu KW, Wang ZP, Vermoesen A, Patrick WH, Van Cleemput O, 2001. Nitrous oxide and methane emissions from different soil suspensions: effect of soil redox status. Biology and Fertility of Soils 34 (1): 25-30. (PDF)

45. Yu KW, Chen GX, Struwe S, Kjøller A, 2000. Production and reduction of nitrous oxide in agricultural and forest soils. Chinese Journal of Applied Ecology 11(3): 385-389. (in English, PDF)

46. Chen GX, Yu KW, Liao LP. Xu GS, 2000. Effect of human activities on forest ecosystems: N cycle and soil fertility. Nutrient Cycling in Agroecosystems 57: 47-54. (PDF)

47. Chen GX, Huang B, Xu H, Zhang Y, Huang GH, Yu KW, Du R, Han SJ, Van Cleemput O, 2000. Nitrous oxide emission from terrestrial ecosystems in China. Chemosphere-Global Change Science 2: 373-378. (PDF)

Earlier (20+)

48. Yu KW, Wang ZP, Chen GX, 1997. Nitrous oxide and methane transport through rice plants. Biology and Fertility of Soils 24: 341-343. (PDF)

49. Chen GX, Huang GH, Huang B, Yu KW, Wu J, Xu H, 1997. Nitrous oxide and methane emissions from soil-plant systems. Nutrient Cycling in Agroecosystems 49: 41-45. (PDF)