Scientists & Staff

Featured Publications & Products

• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Weller, Lorraine; Davila, Antonio. 2011. Assessing urban forest effects and values, Los Angeles' urban forest. Resour. Bull. NRS-47. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 30 p.
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Stevens, Jack C.; Cotrone, Vincent. 2010. Assessing urban forest effects and values, Scranton's urban forest. Resour. Bull. NRS-43. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 23 p.
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Stevens, Jack C.; Fisher, Cherie Leblanc. 2010. Assessing urban forest effects and values, Chicago's urban forest. Resour. Bull. NRS-37. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 27 p.
• Nowak, David J.; Walton, Jeffrey T.; Stevens, Jack C.; Crane, Daniel E.; Hoehn, Robert E. 2008. Effect of plot and sample size on timing and precision of urban forest assessments. Aboriculture & Urban Forestry. 34(6): 386-390.
• Escobedo, Francisco J.; Wagner, John E.; Nowak, David J.; De la Maza, Carmen Luz; Rodriguez, Manuel; Crane, Daniel E. 2008. Analyzing the cost effectiveness of Santiago, Chile's policy of using urban forests to improve air quality. Journal of Environmental Management. 86: 148-157.

Publications & Products

• Nowak, David J.; Bodine, Allison R.; Hoehn, Robert E.; Ellis, Alexis; Bomberger, Kim; Crane, Daniel E.; Endreny, Theodore A.; Taggert, Thomas; Stephan, Emily. 2014. Assessing urban forest effects and values: Douglas County, Kansas. Resour. Bull. NRS-91. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 76 p.
• Nowak, David J.; Bodine, Allison R.; Hoehn, Robert E. III; Crane, Daniel E.; Ellis, Alexis; Endreny, Theodore A.; Yang, Yang; Jacobs, Tom; Shelton, Kassie. 2013. Assessing urban forest effects and values: the greater Kansas City region. Resour. Bull. NRS-75. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 72 p.
• Nowak, David J.; Hoehn, Robert E. III; Bodine, Allison R.; Crane, Daniel E.; Dwyer, John F.; Bonnewell, Veta; Watson, Gary. 2013. Urban trees and forests of the Chicago region. Resour. Bull. NRS-84. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 106 p.
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Bodine, Allison R. 2012. Assessing urban forest effects and values of the Great Plains: Kansas, Nebraska, North Dakota, South Dakota. Resour. Bull. NRS-71. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 75 p.
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Stevens, Jack C.; Cumming, Jonathan; Mohen, Sandhya; Cumming, Anne Buckelew. 2012. Assessing urban forest effects and values: Morgantown's Urban Forest. Resour. Bull. NRS-70. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 25 p.
• Nowak, David J.; Crane, Daniel E.; Stevens, Jack C.; Hoehn, Robert E.; Walton, Jeffrey T.; Bond, Jerry. 2008. A ground-based method of assessing urban forest structure and ecosystem services. Aboriculture & Urban Forestry. 34(6): 347-358.
• Nowak, David J.; Hoehn, Robert E., III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2007. Assessing urban forest effects and values, Philladelphia's urban forest. Resour. Bull. NRS-7. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 22 p.
• Nowak, David J.; Hoehn, Robert E., III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2007. Assessing urban forest effects and values, New York City's urban forest. Resour. Bull. NRS-9. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 22 p.
• Nowak, David J.; Hoehn, Robert E., III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2007. Assessing urban forest effects and values, San Francisco's urban forest. Resour. Bull. NRS-8. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 22 p.
• Nowak, David J.; Hoehn, Robert; Crane, Daniel E. 2007. Oxygen production by urban trees in the United States. Arboriculture & Urban Forestry. 33(3): 220-226.
• Nowak, David J.; Crane, Daniel E.; Stevens, Jack C. 2006. Air pollution removal by urban trees and shrubs in the United States. Urban Forestry & Urban Greening
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2006. Assessing urban forest effects and values, Washington, D.C.'s urban forest. Assessing urban forest effects and values, Washington, D.C.'s urban forest. Resour. Bull. NRS-1. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 24 p.
• Nowak, David J.; Hoehn, Robert E. III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2006. Assessing urban forest effects and values, Minneapolis' urban forest. Resour. Bull. NE-166. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 20 p.
• Nowak, David J.; Hoehn, Robert E., III; Crane, Daniel E.; Stevens, Jack C.; Walton, Jeffrey T. 2006. Assessing urban forest effects and values, Casper's urban forest. Resour. Bull. NRS-4. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 20 p.
• Nowak, David J.; Hoehn, Robert; Walton, Jeffrey T.; Crane, Daniel E.; Stevens, Jack C.; Twardus, Daniel; Cumming, Anne; Mielke, Manfred; Smith, Bill. 2006. Urban Forest Health Monitoring in the United States. In: Aguirre-Bravo, C.; Pellicane, Patrick J.; Burns, Denver P.; and Draggan, Sidney, Eds. 2006. Monitoring Science and Technology Symposium: Unifying Knowledge for Sustainability in the Western Hemisphere Proceedings RMRS-P-42CD. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 181-187
• Nowak, David J.; Smith, Peter D.; Merritt, Michael; Giedraitis, John; Walton, Jeffrey T.; Hoehn, Robert E.; Stevens, Jack C.; Crane, Daniel E.; Estes, Mark; Stetson, Stephen; Burditt, Charles; Hitchcock, David; Holtcamp, Wendee. 2005. Houston's Regional Forest. Texas Forest Service Communication/Urban and Community Forestry 9/05-5000. 24p.
• Heisler, Gordon M.; Grant, Richard H.; Nowak, David J.; Gao, Wei; Crane, Daniel E.; Walton, Jeffery T. 2003. Inclusion of an ultraviolet radiation transfer component in an urban forest effects model for predicting tree influences on potential below-canopy exposure to UVB radiation. In: Slusser, James R.; Herman, Jay R.; Gao, Wei, eds. Proceedings of SPIE, Ultraviolet ground- and space-based measurements, models, and effects III. August 4-6, 2003: San Diego, CA: The International Society for Optical Engineering. 228-235.
• Nowak, David J.; Crane, Daniel E. 2002. Carbon storage and sequestration by urban trees in the USA. Environmental Pollution
• Nowak, David J.; Crane, Daniel E.; Dwyer, John F. 2002. Compensatory value of urban trees in the United States. Journal of Aboriculture. 28(4): 194-199.
• Nowak, David J.; Crane, Daniel E.; Walton, Jeffrey T.; Twardus, Daniel B.; Dwyer, John F. 2002. Understanding and quantifying urban forest structure, functions, and value. In: Kenney, W.A.; McKay, J.; van Wassaneaer, P., eds. Proceedings of the 5th Canadian urban forest conference.; 2002 October 7-9; Markham, Ontario. Region of York, Ontario: Ontario Urban Forest Council: 27-1 - 27-9.
• Nowak, David J.; Pasek, Judith E.; Sequeira, Ronaldo A.; Crane, Daniel E.; Mastro, Victor C. 2001. Potential effect of Anoplophora glabripennis (Coleoptera: Cerambycidae) on urban trees in the United States. Journal of Economic Entomology. 94(1): 116-122.
• Nowak, David J.; Civerolo, Kevin L.; Rao, S. Trivikrama; Sistla, Gopal; Luley, Christopher J.; Crane, Daniel E. 2000. A modeling study of the impact of urban trees on ozone. Atmospheric Environment. 34: 1601-1613.
• Nowak, David J.; Crane, Daniel E. 2000. The Urban Forest Effects (UFORE) model: quantifying urban forest structure and functions. In: Hansen, Mark; Burk, Tom, eds. Integrated tools for natural resources inventories in the 21st century. Gen. Tech. Rep. NC-212. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 714-720.
• Nowak, David J.; McHale, Patrick J.; Ibarra, Myriam; Crane, Daniel; Stevens, Jack C.; Luley, Chris J. 1998. Modeling the effects of urban vegetation on air pollution. In: Gryning, Sven-Erik; Chaumerliac, Nadine, eds. Air pollution modeling and its application XII. New York; Plenum Press: 399-407.