Jim Westfall, PhD

Treesearch Publications

• Jim Westfall, Andrew J. Lister, Scott A. Pugh, Tonya Lister, Cassandra Kurtz. 2026. Methods for estimating status and change in presence and foliar cover area of invasive plants using national forest inventory data
• John W. Coulston, Phillip J. Radtke, Erik B. Schilling, Steven P. Prisley, David Walker, Jim Westfall. 2025. Forest conversions in the United States from a certification and regulatory perspective
• Jim Westfall, Paul L. Patterson. 2025. Double ratio estimation within a design-based nonresponse bias mitigation strategy
• Christopher B. Edgar, Jim Westfall. 2025. Annual estimates of wind disturbance in relation to time of observation in a panelized national forest inventory
• Jim Westfall. 2025. Approximating covariances between nested plot sizes in forest inventory
• Jim Westfall, Philip J. Radtke, David Walker, John W. Coulston. 2025. Model error propagation in a compatible tree volume, biomass, and carbon prediction system
• Nancy Falxa Sonti, Jim Westfall, Michael C. Wiemann, Thomas L. Eberhardt. 2025. Influence of site type on wood specific gravity and ash content for urban-grown hardwoods
• Jim Westfall, John W. Coulston, Andrew Gray, John D. Shaw, Philip J. Radtke, David M. Walker, Aaron R. Weiskittel, David W. MacFarlane, David L.R. Affleck, Dehai Zhao, Hailemariam Temesgen, Krishna P. Poudel, Jereme M. Frank, Stephen P. Prisley, Yingfang Wang, Andrew J. Sánchez Meador, David Auty, Grant M. Domke. 2024. A national-scale tree volume, biomass, and carbon modeling system for the United States
• Jim Westfall, Mark D. D. Nelson, Christopher B. Edgar. 2024. Applying Ratio-of-Means Estimation for Annualized Components of Volume Change in Forest Resource Monitoring
• Jim Westfall, Christopher B. Edgar, Rebekah Zehnder. 2024. Relationships between population characteristics and nonresponse in urban forest inventories
• Randall Morin, Thomas A. Albright, Brett J. Butler, Jesse Caputo, Susan Crocker, Thomas Goff, Cassandra Kurtz, Tonya Lister, Mark D. D. Nelson, Rachel Riemann, Sjana Schanning, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2024. West Virginia forests 2018: summary report
• Dale D. Gormanson, Bryan Hemmer, Daniel J. Gallion, Thomas A. Albright, Brett J. Butler, Susan Crocker, James Garner, Thomas Goff, Cassandra Kurtz, Tonya Lister, Randall Morin, Mark D. D. Nelson, Rachel Riemann, Sjana Schanning, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2024. Indiana forests 2018: summary report
• Randall Morin, Sean P. Healey, Steve Prisley, KaDonna Randolph, Jim Westfall, Andrew Gray. 2023. Editorial: Monitoring and responding to global change to promote resilient and productive forests through innovative forest inventory
• Jim Westfall, Mark D. D. Nelson. 2023. Addressing nonresponse bias in forest inventory change estimation using response homogeneity classifications
• Scott A. Pugh, Jagdish Poudel, Thomas A. Albright, Brett J. Butler, Jesse Caputo, Susan Crocker, Cassandra Kurtz, Tonya Lister, Randall Morin, Mark D. D. Nelson, Ronald J. Piva, Rachel Riemann, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2023. Michigan forests 2019: summary report
• Thomas A. Albright, Brett J. Butler, Jesse Caputo, Susan Crocker, Thomas Goff, Cassandra Kurtz, Shawn Lehman, Tonya Lister, William Luppold, Randall Morin, Mark D. D. Nelson, Rachel Riemann, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2023. Pennsylvania forests 2019: summary report
• Dale D. Gormanson, Scott A. Pugh, Charles Barnett, Randall Morin, Paul Sowers, Jim Westfall. 2023. Statistics and quality assurance for the Northern Research Station Forest Inventory and Analysis Program, version 3
• Jim Westfall, Barry T. (Ty) Wilson. 2022. Nonresponse bias in change estimation: a national forest inventory example
• Christopher B. Edgar, Jim Westfall. 2022. Timing and extent of forest disturbance in the Laurentian Mixed Forest
• Jim Westfall, Christopher B. Edgar. 2022. Addressing Non-response Bias in Urban Forest Inventories: An Estimation Approach
• Jim Westfall. 2022. An estimation method to reduce complete and partial nonresponse bias in forest inventory
• Garret T. Dettmann, David W. MacFarlane, Philip J. Radtke, Aaron R. Weiskittel, David L. R. Affleck, Krishna P. Poudel, Jim Westfall. 2022. Testing a generalized leaf mass estimation method for diverse tree species and climates of the continental United States
• Jim Westfall, Andrew J. Lister, Charles Scott. 2022. Evaluation of mapped-plot variance estimators across a range of partial nonresponse in a post-stratified national forest inventory
• Thomas Goff, Thomas A. Albright, Brett J. Butler, Jesse Caputo, Susan Crocker, Dale D. Gormanson, Cassandra Kurtz, Tonya Lister, Dacia M. Meneguzzo, Randall Morin, Mark D. D. Nelson, Ronald J. Piva, Rachel Riemann, Sjana Schanning, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2022. Delaware forests 2018: summary report
• Thomas Goff, Thomas A. Albright, Brett J. Butler, Susan Crocker, Dale D. Gormanson, Cassandra Kurtz, Tonya Lister, Dacia M. Meneguzzo, Randall Morin, Mark D. D. Nelson, Ronald J. Piva, Rachel Riemann, Sjana Schanning, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2022. Iowa forests 2018: summary report
• Jim Westfall, John W. Coulston, Gretchen Moisen, Hans Andersen. 2022. Sampling and estimation documentation for the Enhanced Forest Inventory and Analysis Program: 2022
• Dehai Zhao, Thomas B. Lynch, Jim Westfall, John W. Coulston. 2022. Additional biomass estimation alternatives: nonlinear two- and three-stage least squares and full information maximum likelihood for slash pine
• Jim Westfall, John W. Coulston. 2022. Estimating change in annual timber products output using a stratified sampling with certainty design
• Jim Westfall, Todd A. Schroeder, Joe McCollum, Paul L. Patterson. 2022. A spatial and temporal assessment of nonresponse in the national forest inventory of the U.S. Environmental Monitoring and Assessment
• Scott C. Hillard, Randall Morin, Jim Westfall, Brett J. Butler, Susan Crocker, Mark D. D. Nelson, Brian F. Walters, William Luppold, Rachel Riemann, Christopher W. W. Woodall, Thomas A. Albright, Bryan Hemmer, James Garner. 2022. Minnesota forests 2018: summary report
• Jim Westfall, Jason G. Henning, Christopher B. Edgar. 2021. Urban tree measurement variability and the contribution to uncertainty in estimates of ecosystem services
• Jim Westfall, Andrew J. Lister, John W. Coulston, Ronald E. McRoberts. 2021. Realized and potential efficiency for post-stratified estimation in a national forest inventory
• Thomas Goff, Thomas A. Albright, Brett J. Butler, Susan Crocker, Cassandra Kurtz, Tonya Lister, William McWilliams, Randall Morin, Mark D. D. Nelson, Ronald J. Piva, Rachel Riemann, Lance Vickers, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2021. Missouri forests 2018: summary report
• Christopher Edgar, David J. Nowak, Mark Majewsky, Tonya Lister, Jim Westfall, Nancy Falxa Sonti. 2021. Strategic National Urban Forest Inventory for the United States
• Andrew J. Lister, Hans Andersen, Tracey Frescino, Demetrios Gatziolis, Sean P. Healey, Linda S. Heath, Greg C. C. Liknes, Ronald McRoberts, Gretchen Moisen, Mark Nelson, Rachel Riemann, Karen G. Schleeweis, Todd A. Schroeder, Jim Westfall, Barry T. (Ty) Wilson. 2020. Use of Remote Sensing Data to Improve the Efficiency of National Forest Inventories: A Case Study from the United States National Forest Inventory
• John W. Coulston, Christopher B. Edgar, Jim Westfall, Marcus E. Taylor. 2020. Estimation of forest disturbance from retrospective observations in a broad-scale inventory
• Thomas A. Albright, Brett J. Butler, Susan Crocker, Jason M. Drobnack, Cassandra Kurtz, William McWilliams, Randall Morin, Mark D. D. Nelson, Rachel Riemann, Lance A. Vickers, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2020. New York Forests 2017
• Dehai Zhao, Bronson P. Bullock, Cristian R. Montes, Mingliang Wang, Jim Westfall, John W. Coulston. 2020. Long-term dynamics of loblolly pine crown structure and aboveground net primary production as affected by site quality, planting density and cultural intensity
• Jim Westfall, Nancy Falxa Sonti, Michael C. Wiemann, Thomas L. Eberhardt, Chi-Leung So. 2020. Urban tree specific gravity and ash content: A case study from Baltimore, Maryland USA
• Jim Westfall, David J. Nowak, Jason G. Henning, Tonya Lister, Christopher B. Edgar, Mark Majewsky, Nancy Falxa Sonti. 2020. Crown width models for woody plant species growing in urban areas of the U.S.
• Dehai Zhao, Jim Westfall, John W. Coulston, Thomas B. Lynch, Bronson P. Bullock, Cristian R. Montes. 2019. Additive biomass equations for slash pine trees: comparing three modeling approaches
• Jim Westfall, Andrew J. Lister, Charles Scott, Thomas Weber. 2019. Double sampling for post-stratification in forest inventory
• Jereme Frank, Aaron Weiskittel, David Walker, Jim Westfall, Philip J. Radtke, David L.R. Affleck, John W. Coulston, David W. MacFarlane. 2019. Gaps in available data for modeling tree biomass in the United States
• William McWilliams, Jim Westfall, Randall Morin. 2019. What do pervasive ungulate browse impacts mean for forestry in New England and New York
• Jereme Frank, Mark Castle, Jim Westfall, Aaron Weiskittel, David MacFarlane, Sharad Baral, Philip Radtke, Gaetan Pelletier. 2018. Variation in occurrence and extent of internal stem decay in standing trees across the eastern US and Canada: evaluation of alternative modelling approaches and influential factors
• John W. Coulston, Jim Westfall, David N. Wear, Christopher B. Edgar, Steven P. Prisley, Thomas B. Treiman, Robert C. Abt, W. Brad Smith. 2018. Annual monitoring of US timber production: rationale and design
• William McWilliams, Jim Westfall, Patrick Brose, Daniel C. C. Dey, Anthony W. D'Amato, Yvette L. Dickinson, Mary Ann Fajvan, Laura S. Kenefic, Christel C. Kern, Kenneth M. Laustsen, Shawn L. Lehman, Randall Morin, Todd Ristau, Alejandro A. Royo, Andrew M. Stoltman, Susan L. Stout. 2018. Subcontinental-scale patterns of large-ungulate herbivory and synoptic review of restoration management implications for midwestern and northeastern forests
• Christopher W. W. Woodall, Jim Westfall, A.W. D'Amato, J.R. Foster, Brian F. Walters. 2018. Decadal changes in tree range stability across forests of the eastern U.S.
• Jim Westfall, Paul L. Patterson, Christopher B. Edgar. 2018. Integrating urban and national forest inventory data in support of rural-urban assessments
• Dale D. Gormanson, Scott A. Pugh, Charles Barnett, Patrick D. Miles, Randall Morin, Paul Sowers, Jim Westfall. 2018. Statistics and quality assurance for the Northern Research Station Forest Inventory and Analysis Program
• Jim Westfall, Mark A. Hatfield, Paul Sowers, Barbara O'Connell. 2017. Site Index Models for Tree Species in the Northeastern United States
• Jim Westfall, William McWilliams. 2017. Predicting tree-seedling height distributions using subcontinental-scale forest inventory data
• Jim Westfall, Ronald E. McRoberts. 2017. An assessment of uncertainty in volume estimates for stands reconstructed from tree stump information
• Matthew B. Russell, Jim Westfall, Christopher W. W. Woodall. 2017. Modeling browse impacts on sapling and tree recruitment across forests in the northern United States
• Philip Radtke, David Walker, Jereme Frank, Aaron Weiskittel, Clara DeYoung, David MacFarlane, Grant M. Domke, Christopher W. W. Woodall, John W. Coulston, Jim Westfall. 2017. Improved accuracy of aboveground biomass and carbon estimates for live trees in forests of the eastern United States
• Tonya Lister, Brett J. Butler, Susan Crocker, Cassandra Kurtz, Andrew J. Lister, William Luppold, William McWilliams, Patrick D. Miles, Randall Morin, Mark D. D. Nelson, Ronald J. Piva, Rachel Riemann, James Smith, Jim Westfall, Richard Widmann, Christopher W. W. Woodall. 2017. Delaware Forests 2013
• Susan Crocker, Brett J. Butler, Cassandra Kurtz, William McWilliams, Patrick D. Miles, Randall Morin, Mark D. D. Nelson, Rachel Riemann, James Smith, Jim Westfall, Christopher W. W. Woodall. 2017. Illinois Forests 2015
• Scott A. Pugh, Douglas C. Heym, Brett J. Butler, David E. Haugen, Cassandra Kurtz, William McWilliams, Patrick D. Miles, Randall Morin, Mark D. D. Nelson, Rachel Riemann, James Smith, Jim Westfall, Christopher W. W. Woodall. 2017. Michigan forests 2014
• William McWilliams, Jim Westfall, Patrick Brose, Shawn L. Lehman, Randall Morin, Todd Ristau, Alejandro A. Royo, Susan L. Stout. 2017. After 25 years, what does the Pennsylvania Regeneration Study tell us about oak/hickory forests under stress?
• Dale D. Gormanson, Scott A. Pugh, Charles Barnett, Patrick D. Miles, Randall Morin, Paul Sowers, Jim Westfall. 2017. Statistics and quality assurance for the Northern Research Station Forest Inventory and Analysis Program, 2016
• Jim Westfall, Andrew J. Lister, Charles Scott. 2016. Precision and cost considerations for two-stage sampling in a panelized forest inventory design
• Jim Westfall. 2016. Strategies for the use of mixed-effects models in continuous forest inventories
• Jim Westfall, Ronald E. McRoberts, Philip J. Radtke, Aaron R. Weiskittel. 2016. Effects of uncertainty in upper-stem diameter information on tree volume estimates
• Ronald E. McRoberts, Jim Westfall. 2016. Propagating uncertainty through individual tree volume model predictions to large-area volume estimates
• Ronald E. McRoberts, Qi Chen, Grant M. Domke, Göran Ståhl, Svetlana Saarela, Jim Westfall. 2016. Hybrid estimators for mean aboveground carbon per unit area
• Dale D. Gormanson, Joey Gallion, Charles Barnett, Brett J. Butler, Susan Crocker, Cassandra Kurtz, Tonya Lister, William Luppold, William McWilliams, Patrick D. Miles, Randall Morin, Mark D. D. Nelson, Barbara O'Connell, Charles H. (Hobie) Perry, Rachel Riemann, Ronald J. Piva, James Smith, Paul Sowers, Jim Westfall, Christopher W. W. Woodall. 2016. Indiana Forests 2013
• Randall Morin, Gregory W. Cook, Charles Barnett, Brett J. Butler, Susan Crocker, Mark A. Hatfield, Cassandra Kurtz, Tonya Lister, William Luppold, William McWilliams, Patrick D. Miles, Mark D. D. Nelson, Charles H. (Hobie) Perry, Ronald J. Piva, James Smith, Jim Westfall, Richard Widmann, Christopher W. W. Woodall. 2016. West Virginia Forests 2013
• Patrick D. Miles, Curtis L. VanderSchaaf, Charles Barnett, Brett J. Butler, Susan Crocker, Dale D. Gormanson, Cassandra Kurtz, Tonya Lister, William McWilliams, Randall Morin, Mark D. D. Nelson, Charles H. (Hobie) Perry, Rachel Riemann, James Smith, Brian F. Walters, Jim Westfall, Christopher W. W. Woodall. 2016. Minnesota Forests 2013
• Christopher W. W. Woodall, John W. Coulston, Grant M. Domke, Brian F. Walters, David N. Wear, James Smith, Hans Andersen, Brian J. Clough, Warren B. Cohen, Douglas Griffith, Stephen C. Hagen, Ian S. Hanou, Michael C. Nichols, Charles H. (Hobie) Perry, Matthew B. Russell, Jim Westfall, Barry T. (Ty) Wilson. 2015. The U.S. forest carbon accounting framework: stocks and stock change, 1990-2016
• Matieu Henry, Miguel Cifuentes Jara, Maxime Réjou-Méchain, Daniel Piotto, José María Michel Fuentes, Craig Wayson, Federico Alice Guier, Héctor Castañeda Lombis, Edwin Castellanos López, Ruby Cuenca Lara, Kelvin Cueva Rojas, Jhon Del Águila Pasquel, Álvaro Duque Montoya, Javier Fernández Vega, Abner Jiménez Galo, Omar R. López, Lars Gunnar Marklund, Fabián Milla, José de Jesús Návar Cahidez, Edgar Ortiz Malavassi, Johnny Pérez, Carla Ramírez Zea, Luis Rangel García, Rafael Rubilar Pons, Carlos Sanquetta, Charles Scott, Jim Westfall, Mauricio Zapata-Cuartas, Laurent Saint-André. 2015. Recommendations for the use of tree models to estimate national forest biomass and assess their uncertainty
• Matieu Henry, Maxime Réjou-Méchain, Miguel Cifuentes Jara, Craig Wayson, Daniel Piotto, Jim Westfall, José María Michel Fuentes, Federico Alice Guier, Héctor Castañeda Lombis, Edwin Castellanos López, Ruby Cuenca Lara, Kelvin Cueva Rojas, Jhon Del Águila Pasquel, Álvaro Duque Montoya, Javier Fernández Vega, Abner Jiménez Galo, Omar R. López, Lars Gunnar Marklund, Fabián Milla, José de Jesús Návar Cahidez, Edgar Ortiz Malavassi, Johnny Pérez, Carla Ramírez Zea, Luis Rangel García, Rafael Rubilar Pons, Carlos Sanquetta, Charles Scott, Mauricio Zapata-Cuartas, Laurent Saint-André. 2015. An overview of existing and promising technologies for national forest monitoring
• Jim Westfall. 2015. Selection of Forest Inventory Cycle Length Based on Growth Rate and Measurement Variability
• Jim Westfall. 2015. Spatial-scale considerations for a large-area forest inventory regression model
• Aaron R. Weiskittel, David W. MacFarlane, Philip J. Radtke, David L.R. Affleck, Hailemariam Temesgen, Christopher W. W. Woodall, Jim Westfall, John W. Coulston. 2015. A call to improve methods for estimating tree biomass for regional and national assessments
• William McWilliams, Jim Westfall, Patrick Brose, Daniel C. C. Dey, Mark A. Hatfield, Katherine Johnson, Kenneth M. Laustsen, Shawn L. Lehman, Randall Morin, Mark D. D. Nelson, Todd Ristau, Alejandro A. Royo, Susan L. Stout, Tom W. Willard, Christopher W. W. Woodall. 2015. A regeneration indicator for Forest Inventory and Analysis: history, sampling, estimation, analytics, and potential use in the midwest and northeast United States
• Ronald E. McRoberts, Jim Westfall. 2014. Effects of uncertainty in model predictions of individual tree volume on large area volume estimates
• Jim Westfall, Randall Morin. 2013. A cover-based method to assess forest characteristics using inventory data and GIS
• George L. McCaskill, William McWilliams, Carol A. Alerich, Brett J. Butler, Susan Crocker, Grant M. Domke, Doug Griffith, Cassandra Kurtz, Shawn Lehman, Tonya Lister, Randall Morin, W. Keith Moser, Paul Roth, Rachel Riemann, Jim Westfall. 2013. Pennsylvania's Forests, 2009
• Christopher W. W. Woodall, Jim Westfall, K. Zhu, D.J. Johnson. 2013. Assessing the effect of snow/water obstructions on the measurement of tree seedlings in a large-scale temperate forest inventory
• Jim Westfall, Christopher W. W. Woodall, Mark A. Hatfield. 2013. A statistical power analysis of woody carbon flux from forest inventory data
• Jim Westfall, Scott A. Pugh, John W. Coulston. 2013. Conducting tests for statistically significant differences using forest inventory data
• Christopher W. W. Woodall, K. Zhu, Jim Westfall, Christopher M. Oswalt, A.W. D'Amato, B.F. Walters, H.E. Lintz. 2013. Assessing the stability of tree ranges and influence of disturbance in eastern US forests
• Jim Westfall. 2012. A comparison of above-ground dry-biomass estimators for trees in the Northeastern United States
• Jim Westfall, David W. MacFarlane, Aaron R. Weiskittel. 2012. Biomass measurement and modeling challenges for hardwood species in the northern region
• Jim Westfall, Randall Morin. 2012. Canopy cover estimates for individual tree attributes
• William McWilliams, Randall Morin, Katherine Johnson, W. Keith Moser, Jim Westfall. 2012. Invasive plant monitoring for northern U.S. forests
• William McWilliams, Charles D. Canham, Randall Morin, Katherine Johnson, Paul Roth, Jim Westfall. 2012. Sampling forest regeneration across northern U.S. forests: filling a void in regeneration model input
• William McWilliams, Shawn Lehman, Paul Roth, Jim Westfall. 2012. Forest Service's Northern Research Station FIA launches 24-state study of forest regeneration
• Jim Westfall, William McWilliams. 2012. Detecting change in advance tree regeneration using forest inventory data: the implications of type II error
• Christopher W. W. Woodall, Jim Westfall. 2012. Curious or spurious correlations within a national-scale forest inventory?
• John Brown, Jim Westfall. 2012. An evaluation of the properties of the variance estimator used by FIA
• Christopher W. W. Woodall, Brian F. Walters, Jim Westfall. 2012. Tracking downed dead wood in forests over time: Development of a piece matching algorithm for line intercept sampling
• Grant M. Domke, Christopher W. W. Woodall, James Smith, Jim Westfall, Ronald E. McRoberts. 2012. Consequences of alternative tree-level biomass estimation procedures on U.S. forest carbon stock estimates
• Christopher W. W. Woodall, Charles H. (Hobie) Perry, Jim Westfall. 2012. An empirical assessment of forest floor carbon stock components across the United States
• Jim Westfall, Charles Scott. 2010. Taper models for commercial tree species in the northeastern United States
• Jim Westfall. 2010. New Models for Predicting Diameter at Breast Height from Stump Dimensions
• Christopher W. W. Woodall, David J. Nowak, Greg C. C. Liknes, Jim Westfall. 2010. Assessing the potential for urban trees to facilitate forest tree migration in the eastern United States
• Christopher W. W. Woodall, Christopher M. Oswalt, Jim Westfall, Charles H. (Hobie) Perry, Mark D. D. Nelson, A.O. Finley. 2010. Selecting tree species for testing climate change migration hypotheses using forest inventory data
• Jim Westfall, Charles Scott. 2009. Monitoring state forest lands in standardization with a national forest inventory program
• Jim Westfall. 2009. FIA national assessment of data quality for forest health indicators
• Christopher W. W. Woodall, Jim Westfall. 2009. Relationships between the stocking levels of live trees and dead tree attributes in forests of the United States
• Christopher W. W. Woodall, Christopher M. Oswalt, Jim Westfall, Charles H. (Hobie) Perry, Mark D. D. Nelson. 2009. Tree migration detection through comparisons of historic and current forest inventories
• Christopher W. W. Woodall, Jim Westfall. 2009. Can live tree size-density relationships provide a mechanism for predicting down and dead tree resources?
• Maria E. Blanco Martin, Michael Hoppus, Andrew J. Lister, Jim Westfall. 2009. Is there a better metric than site index to indicate the productivity of forested lands?
• Jim Westfall, Thomas Frieswyk, Douglas Griffith. 2009. Implementing the measurement interval midpoint method for change estimation
• Jim Westfall. 2009. Effects of plot size on forest-type algorithm accuracy
• Christopher W. W. Woodall, C.M. Oswalt, Jim Westfall, Charles H. (Hobie) Perry, Mark D. D. Nelson, A.O. Finley. 2009. An indicator of tree migration in forests of the eastern United States
• Jim Westfall. 2008. Differences in Computed Individual-Tree Volumes Caused by Differences in Field Measurements
• Christopher W. W. Woodall, Jim Westfall, D.C. Lutes, S.N. Oswalt. 2008. End-point diameter and total length coarse woody debris models for the United States
• Christopher W. W. Woodall, Jim Westfall. 2008. Controlling coarse woody debris inventory quality: taper and relative size methods
• Jim Westfall, Paul L. Patterson. 2007. Measurement variability error for estimates of volume change
• Christopher W. W. Woodall, Jim Westfall. 2007. Improving coarse woody debris measurements: a taper-based technique
• Jim Westfall, Christopher W. W. Woodall. 2007. Measurement repeatability of a large-scale inventory of forest fuels
• William McWilliams, Seth P. Cassell, Carol Alerich, Brett J. Butler, Michael Hoppus, Stephen Horsley, Andrew J. Lister, Tonya Lister, Randall Morin, Charles H. (Hobie) Perry, Jim Westfall, Eric Wharton, Christopher W. W. Woodall. 2007. Pennsylvania's Forest 2004
• Wayne S. Walker, Josef M. Kellndorfer, Elizabeth Burrill, Michael Hoppus, Jim Westfall. 2007. An empirical InSAR-optical fusion approach to mapping vegetation canopy height
• James E. Pollard, Jim Westfall, Paul L. Patterson, David L. Gartner, Mark H. Hansen, Olaf Kuegler. 2006. Forest Inventory and Analysis National Data Quality Assessment Report for 2000 to 2003
• Jim Westfall. 2006. Predicting past and future diameter growth for trees in the northeastern United States
• Jim Westfall. 2006. Modifying Taper-Derived Merchantable Height Estimates to Account for Tree Characteristics
• Jim Westfall, Kenneth M. Laustsen. 2006. A merchantable and total height model for tree species in Maine
• William McWilliams, Brett J. Butler, Laurence E. Caldwell, Douglas M. Griffith, Michael Hoppus, Kenneth M. Laustsen, Andrew J. Lister, Tonya Lister, Jacob W. Metzler, Randall Morin, Steven A. Sader, Lucretia Stewart, James R. Steinman, Jim Westfall, David A. Williams, Andrew Whitman, Christopher W. W. Woodall, Christopher W. W. Woodall. 2005. The forests of Maine: 2003
• Jim Westfall, Michael Hoppus. 2005. Sensitivity of FIA Volume Estimates to Changes in Stratum Weights and Number of Strata
• Andrew J. Lister, Rachel Riemann, Jim Westfall, Michael Hoppus. 2005. Variable Selection Strategies for Small-area Estimation Using FIA Plots and Remotely Sensed Data
• William McWilliams, Todd W. Bowersox, Patrick Brose, Daniel A. Devlin, James C. Finley, Kurt W. Gottschalk, Stephen Horsley, Susan L. King, Brian M. LaPoint, Tonya Lister, Larry H. McCormick, Gary Miller, Charles Scott, Harry Steele, Kim C. Steiner, Susan L. Stout, Jim Westfall, Robert L. White. 2005. Measuring Tree Seedlings and Associated Understory Vegetation in Pennsylvania's Forests
• James E. Pollard, Jim Westfall, Paul A. Patterson, Dave Gartner. 2005. FIA Quality Assurance Program: Evaluation of a Tree Matching Algorithm for Paired Forest Inventory Data
• Jim Westfall, Charles Scott. 2005. Northeastern FIA Tree Taper Study: Current Status and Future Work
• Charles Scott, William Bechtold, Gregory A. Reams, William D. Smith, Jim Westfall, Mark H. Hansen, Gretchen Moisen. 2005. Sample-based estimators used by the forest inventory and analysis national information management system
• Jim Westfall, Harold E. Burkhart, H. Lee Allen. 2004. Young stand growth modeling for intensively-managed loblolly pine plantations in Southeastern U.S.
• Stanford L. Arner, Jim Westfall, Charles Scott. 2004. Comparison of annual inventory designs using forest inventory and analysis data
• William McWilliams, Todd W. Bowersox, Patrick Brose, Daniel A. Devlin, James C. Finley, Stephen Horsley, Kurt W. Gottschalk, Tonya Lister, Larry H. McCormick, Gary Miller, Kim C. Steiner, Susan L. Stout, Jim Westfall, Robert L. White. 2004. Indicators of regenerative capacity for eastern hardwood forests
• William McWilliams, Carol Alerich, Daniel A. Devlin, Andrew J. Lister, Tonya Lister, Stephen L. Sterner, Jim Westfall. 2004. Annual inventory report for Pennsylvania's forests: results from the first three years
• William McWilliams, Todd W. Bowersox, Patrick Brose, Daniel A. Devlin, James C. Finley, Stephen Horsley, Kurt W. Gottschalk, Susan L. King, Tonya Lister, Larry H. McCormick, Gary Miller, Charles Scott, Kim C. Steiner, Susan L. Stout, Jim Westfall, Robert L. White. 2003. Indicators of regenerative capacity for native broadleaf forests: a case study of ungulate overpopulation in the Eastern United States
• William McWilliams, Carol A. Alerich, Daniel A. Devlin, Tonya Lister, Stephen L. Sterner, Jim Westfall. 2002. Annual inventory report for Pennsylvania's forests: results from the first two years.
• V. Clark Baldwin, Harold E. Burkhart, Jim Westfall, Kelly Peterson. 2001. Linking growth and yield and process models to estimate impact of environmental changes on growth of loblolly pine

• Program
  

  Northern Region Forest Inventory and Analysis

  https://research.fs.usda.gov/nrs/programs/fia
  Station

  Northern Research Station

• Virginia Polytechnic Institute and State University, Blacksburg, VA, Ph.D., Forestry, 2001
• Virginia Polytechnic Institute and State University, Blacksburg, VA, M.S., Statistics, 2001
• Virginia Polytechnic Institute and State University, Blacksburg, VA, M.S., Forestry, 1998
• Cornell University, Ithaca, NY, B.S., Natural Resources, 1996
• SUNY College of Environmental Science and Forestry Ranger School, Wanakena, NY, A.A.S., Forest Technology, 1993