David M. Bell, PhD

Research Forester

Pacific Northwest Research Station

0000-0002-2673-5836

david.bell@usda.gov

Publications & Products
Related
Education

Treesearch Publications

Jeremy T. Rockweit, Meg A. Krawchuk, David M. Bell, Katie M. Dugger, Damon B. Lesmeister. 2026. Fostering landscape resilience and species conservation in frequent fire landscapes
James E. Lamping, Melissa S. Lucash, David M. Bell, Daniel Irvine, Matthew J. Gregory. 2026. Mapping the distribution and conservation status of mature and old growth forests across coastal Alaska and British Columbia
Kai L. Kopecky, Max C. N. Castorani, Ty Tuff, Audrey Barker Plotkin, David M. Bell, Jill F. Johnstone, John S. Kominoski, Jesse B. Nippert, Christopher J. Nytch, Steven C. Pennings, Daniel C. Reed, Aaron B. Shiels, Katharine N. Suding. 2026. Legacies of foundation species shape life after death
Michael Simpson, Jane Kertis, Steven A. Acker, Patricia A. Hochhalter, David M. Bell, Matthew J. Gregory, Thomas DeMeo. 2026. Potential natural vegetation classification and mapping for Washington, Oregon, and California using Gradient Nearest Neighbor imputation
Eva Colberg, Scott Kalafatis, David M. Bell, Michael H. Chang, Patrick Freeland, Megan Horst, Will L. Loftin, Christine T. Nolan, Spencer Vieira, Svetlana Yegorova, Meade Krosby. 2026. Synthesizing ecological impacts and management responses from the 2021 Pacific Northwest heat wave to prepare for future extreme heat events
Meg A. Krawchuk, Garrett W. Meigs, Cameron E. Naficy, David M. Bell, Jessica L. Hudec, Jeremy T. Rockweit, Raymond J. Davis. 2026. Fire refugia in forest ecosystems of the Pacific Northwest, USA: Science and applications for conservation, adaptation, and stewardship
Yung-Hsiang Lan, David M. Bell, Mee-Sook Kim, David C. Shaw, Kristen L. Chadwick, Holly S.J. Kearns, Robert J. Pabst, Andrew A. Bluhm. 2026. A root rot pathogen associates with changes in forest community composition and productivity during 100 years of Douglas-fir forest development
Nicolò Anselmetto, Matteo Garbarino, Matthew J. Weldy, David M. Bell, Christopher Daly, Clinton W. Epps, Nina Ferrari, Hankyu Kim, Joseph A. LaManna, Damon B. Lesmeister, Brooke Penaluna, Mark Schulze, Madison Sutton, Marie I. Tosa, Matthew G. Betts. 2025. Leveraging long‐term data to improve biodiversity monitoring with species distribution models
Adam Sibley, Christopher Still, Matthew Gregory, Connie Harrington, David Shaw, Nina Ferrari, Alex Dye, Mark Schulze, Glenn Howe, David E. Rupp, Christopher Daly, Daniel DePinte, Cameron E. Naficy, Chaney Hart, David M. Bell. 2025. Extreme heatwave causes immediate, widespread mortality of forest canopy foliage, highlighting modes of forest sensitivity to extreme heat
Maria Dornelas, Laura H. Antão, Amanda E. Bates, Viviana Brambilla, Jonathan M. Chase, Cher F. Y. Chow, Ada Fontrodona‐Eslava, Anne E. Magurran, Inês S. Martins, Faye Moyes, Alban Sagouis, Samuel Adu‐Acheampong, Daniel Acquah‐Lamptey, Dušan Adam, Penelope A. Ajani, Aitor Albaina, Pablo Almaraz, Jeongseop An, Roger Sigismund Anderson, Madelaine Jean Robertson Anderson, Alexsander Z. Antunes, Ivan Arismendi, Linda Armbrecht, Pedro Aros‐Mardones, Sreejith Kalpuzha Ashtamoorthy, Narayanan Ayyappan, Gal Badihi, Joseph J. Bailey, Andrew H. Baird, Mark Edward Baird, Sreekumar Vadakkethil Balakrishnan, José António L. Barão‐Nóbrega, Adi Barash, Miguel Barbosa, Jos Barlow, Claus Bässler, Matthieu Beaumont, Natalie Beenaerts, Tiago Octavio Begot, Wallace Beiroz, Ricardo Beldade, David M. Bell, Alecia Bellgrove, Jonathan Belmaker, Lisandro Benedetti‐Cecchi, Cassandra E. Benkwitt, Pamela Medina‐van Berkum, Fernando Vilas Boas Goulart, William A. Gould, Brandon T. Bestelmeyer, Matthew G. Betts, Maxwell Kelvin Billah, Anne D. Bjorkman, Magdalena Błażewicz, Christopher P. Bloch, Shane A. Blowes, Antonio Bode, Juliano A. Bogoni, Thomas Bolger, Timothy C. Bonebrake, Erik Bonsdorff, Roberta Bottarin, Luke N. Brokensha, Rob W. Brooker, Andrew J. Brooks, Helge Bruelheide, Thiago Almeida Bueno, Claire Laguionie, Mariana Lopes Campagnoli, James Cant, Erica Pellegrini Caramaschi, Alexandre Caron, Tadhg Carroll, Tancredi Caruso, Juan Carvajal‐Quintero, Giuseppe Castaldelli, Edward Castañeda‐Moya, Pedro V Castilho, Sonia Zanini Cechin, Shahar Chaikin, Uchangi Manjunatha Chandrashekara, Tory J. Chase, Chaolun Allen Chen, Jorge José Cherem, Sei‐Woong Choi, Erica M. Christensen, Alexander V Christianini, Jackson Wing Four Chu, Peter Coad, Carl Van Colen, Lise Comte, Elisabeth J. Cooper, J. Hans C. Cornelissen, Eddy Cosson, Unai Cotano, Luc Crevecoeur, Shannan Kyle Crow, Graeme S. Cumming, Vanessa S. Daga, Gabriella Damasceno, Gergana N. Daskalova, Claire H. Davies, Robert A. Davis, Frank P. Day, Sussy De‐La‐Zerda, Amy Elizabeth Deacon, Indradatta de Castro‐Arrazola, Steven Degraer, Kharran Deonarinesingh, Juan C. Diaz‐Ricaurte, Christopher R. Dickman, Tara Dirilgen, Ciaran John Dolan, J. Emmett Duffy, Timothy E. Dunn, Giselda Durigan, Ciara Dwyer, Stevan Earl, Dor Edelist, Graham John Edgar, Sally Edmondson, Ashley K. Elgin, Kari Elsa Ellingsen, Sarah C. Elmendorf, Ruth S. Eriksen, S. K. Morgan Ernest, Ruben Escribano, Paula Cabral Eterovick, Brian S. Evans, Jason D. Everett, Vesela Evtimova, Dan A. Exton, Andrew J. Fairbairn, Felipe Moreli Fantacini, Fabiano Turini Farah, Fábio Zanella Farneda, Mario E. Favila, Philippe Fernandez‐Fournier, Braulio Fernández‐Zapata, Diogo F. Ferreira, Carola Ferronato, Christopher R. du Feu, Alessandra Fidelis, David A. Fifield, Vilmar Picinatto Filho, Walter Mesquita Filho, Robert N. L. Fitt, Carlos A. H. Flechtmann, William R. Fraser, Donna L. Fraser, Lídia Freixas, John Fryxell, Garrett J. Fundakowski, Scott Stanley Gabara, Elise Gallois, Mariana García Criado, Emili García‐Berthou, Joaquim Garrabou, Andrew R. Gates, Roberto Cazzolla Gatti, Anna Gavioli, Tal Gavriel, Benoit Gendreau‐Berthiaume, Xingli Giam, Carina Gjerdrum, Michael Glemnitz, Jasmin Annica Godbold, Daniel Gómez‐Gras, Rodrigo Barbosa Gonçalves, Andy Goold, Richard R. Gordon, Menachem Goren. 2025. BioTIME 2.0: Expanding and improving a database of biodiversity time series
James Lamping, Melissa Lucash, David M. Bell, Daniel Irvine, Matt Gregory. 2025. Moderate-resolution mapping of aboveground biomass stocks, forest structure, and composition in coastal Alaska and British Columbia
Daniel Perret, David M. Bell, Harold Zald. 2025. Reducing fire severity and extent bolsters subalpine forest resilience to global change through key demographic pathways
Katherine Nigro, Jessica H. Barton, Diana Macias, V. Bala Chaudhary, Ian S. Pearse, David M. Bell, Angel Chen, Natalie L. Cleavitt, Elizabeth E. Crone, David F. Greene, E. Penelope Holland, Jill F. Johnstone, Walter D. Koenig, Nicholas J. Lyon, Tom E. X. Miller, Mark Schulze, Rebecca S. Snell, Jess K. Zimmerman, Johannes M. H. Knops, Stacy McNulty, Robert R. Parmenter, Mark A. Winterstein, Roman I Zlotin, Jalene M. LaMontagne, Miranda D. Redmond. 2024. Co‐mast: Harmonized seed production data for woody plants across US long‐term research sites
David M. Bell, Matthew J. Gregory, Zhiqiang Yang. 2024. Hindcasting and updating Landsat-based forest structure mapping across years to support forest management and planning
Yuanheng Li, Christian Devenish, Marie I Tosa, Mingjie Luo, David M. Bell, Damon B. Lesmeister, Paul Greenfield, Maximilian Pichler, Taal Levi, Douglas W. Yu. 2024. Combining environmental DNA and remote sensing for efficient, fine-scale mapping of arthropod biodiversity
Viktor Myroniuk, Axel Weinreich, Vincent von Dosky, Viktor Melnychenko, Andrii Shamrai, Maksym Matsala, Matthew J. Gregory, David M. Bell, Raymond Davis. 2024. Nationwide remote sensing framework for forest resource assessment in war-affected Ukraine
Ate Poortinga, Biplov Bhandari, Nyein Soe Thwal, Nguyen Hanh Quyen, Jeff Silverman, Karis Tenneson, John Burns Kilbride, David M. Bell, Matthew Gregory, Robert Kennedy, David Saah. 2023. A near real-time mapping of tropical forest disturbance using SAR and semantic segmentation in Google Earth Engine
Steven A. Acker, Gordon Reeves, Johan B. Hogervorst, Brett Blundon, Ian-Huei Yau, David M. Bell. 2023. Classification and assessment of riparian ecosystems in northwest Oregon for restoration planning
Ekena Rangel Pinagé, David M. Bell, Marcos Longo, Carlos A. Silva, Ovidiu Csillik, Alfredo Huete. 2023. Surface energy dynamics and canopy structural properties in intact and disturbed forests in the Southern Amazon
David M. Bell, Matthew J. Gregory, Marin Palmer, Raymond Davis. 2023. Guidance for forest management and landscape ecology applications of recent gradient nearest neighbor imputation maps in California, Oregon, and Washington
Daniel L. Perret, David M. Bell, Andrew Gray, John D. Shaw, Harold Zald. 2023. Range-wide population assessments for subalpine fir indicate widespread disturbance-driven decline
David M. Bell, Matthew J. Gregory, Derek J. Churchill, Annie C. Smith. 2022. Mapping with height and spectral remote sensing implies that environment and forest structure jointly constrain tree community composition in temperate coniferous forests of eastern Washington, United States
Andrea Watts, David M. Bell, Matthew Gregory. 2022. 21st century computing for 21st century forest management
David M. Bell, Barry T. (Ty) Wilson, Charles E. Werstak, Christopher M. Oswalt, Charles H. (Hobie) Perry. 2022. Examining k-nearest neighbor small area estimation across scales using national forest inventory data
Raymond J. Davis, David M. Bell, Matthew J. Gregory, Zhiqiang Yang, Andrew Gray, Sean P. Healey, Andrew E. Stratton. 2022. Northwest Forest Plan—the first 25 years (1994–2018): status and trends of late-successional and old-growth forests
Robert K. Shriver, Charles B. Yackulic, David M. Bell, John B. Bradford, Arndt Hampe. 2022. Dry forest decline is driven by both declining recruitment and increasing mortality in response to warm, dry conditions
Jacob L. Strunk, David M. Bell, Matthew J. Gregory. 2022. Pushbroom photogrammetric heights enhance state-level forest attribute mapping with Landsat and environmental gradients
Hankyu Kim, Brenda C. McComb, Sarah J. K. Frey, David M. Bell, Matthew G. Betts. 2022. Forest microclimate and composition mediate long‐term trends of breeding bird populations
Viktor Myroniuk, David M. Bell, Matthew J. Gregory, Roman Vasylyshyn, Andrii Bilous. 2022. Uncovering forest dynamics using historical forest inventory data and Landsat time series
John B. Bradford, Robert K. Shriver, Marcos D. Robles, Lisa A. McCauley, Travis J. Woolley, Caitlin A. Andrews, Michael Crimmins, David M. Bell. 2022. Tree mortality response to drought‐density interactions suggests opportunities to enhance drought resistance
Matthew Reilly, Aaron Zuspan, Joshua S. Halofsky, Crystal Raymond, Andrew McEvoy, Alex W. Dye, Daniel C. Donato, John B. Kim, Brian Potter, Nathan Walker, Raymond J. Davis, Christopher J. Dunn, David M. Bell, Matthew J. Gregory, James D. Johnston, Brian J. Harvey, Jessica Halofsky, Becky K. Kerns. 2022. Cascadia Burning: The historic, but not historically unprecedented, 2020 wildfires in the Pacific Northwest, USA
Ekena Rangel Pinagé, David M. Bell, Marcos Longo, Sicong Gao, Michael Keller, Carlos A. Silva, Jean P. Ometto, Philipp Köhler, Christian Frankenberg, Alfredo Huete. 2022. Forest structure and solar-induced fluorescence across intact and degraded forests in the Amazon
Francisco Mauro, Andrew T. Hudak, Patrick A. Fekety, Bryce Frank, Hailemariam Temesgen, David M. Bell, Matthew J. Gregory, T. Ryan. McCarley. 2021. Regional modeling of forest fuels and structural attributes using airborne laser scanning data in Oregon
Robert K. Shriver, Charles B. Yackulic, David M. Bell, John B. Bradford. 2021. Quantifying the demographic vulnerabilities of dry woodlands to climate and competition using rangewide monitoring data
Christopher Wolf, David M. Bell, Hankyu Kim, Michael Paul Nelson, Mark Schulze, Matthew G. Betts. 2021. Temporal consistency of undercanopy thermal refugia in old-growth forest
Ekena Pinagé, David M. Bell, Matthew Gregory, Ngoc Nguyen Tran, Wenjie Zhang, Alfredo Huete. 2020. Effects of tropical forest degradation on Amazon forest phenology
Mark E. Harmon, David M. Bell. 2020. Mortality in forested ecosystems: Suggested conceptual advances
M. D. Petrie, J. B. Bradford, W. K. Lauenroth, D. R. Schlaepfer, C. M. Andrews, David M. Bell. 2020. Non-analog increases to air, surface, and belowground temperature extreme events due to climate change
Kimberly O'Keefe, David M. Bell, Katherine A. McCulloh, Jesse B. Nippert. 2020. Bridging the flux gap: Sap flow measurements reveal species‐specific patterns of water use in a tallgrass prairie
Evelyn Gaiser, David M. Bell, Max Castorani, Daniel Childers, Peter Groffman, C Rhett Jackson, John Kominoski, Debra Peters, Steward Pickett, Julie Ripplinger, Julie C. Zinnert. 2020. Long-term ecological research and evolving frameworks of disturbance ecology
David M. Bell, Robert J. Pabst, David C. Shaw. 2020. Tree growth declines and mortality were associated with a parasitic plant during warm and dry climatic conditions in a temperate coniferous forest ecosystem
Emilie B. Henderson, David M. Bell, Matthew J. Gregory. 2019. Vegetation mapping to support greater sage‐grouse habitat monitoring and management: multi‐ or univariate approach?
J. Boone Kauffman, Lisa M. Ellsworth, David M. Bell, Steve Acker, Jane Kertis. 2019. Forest structure and biomass reflects the variable effects of fire and land use 15 and 29 years following fire in the western Cascades, Oregon
Damon B. Lesmeister, Stan Sovern, Raymond J. Davis, David M. Bell, Matthew J. Gregory, Jody C. Vogeler. 2019. Mixed‐severity wildfire and habitat of an old‐forest obligate
David M. Bell, Warren B. Cohen, Matthew Reilly, Zhiqiang Yang. 2018. Visual interpretation and time series modeling of Landsat imagery highlight drought's role in forest canopy declines
David M. Bell, Matthew J. Gregory, Van Kane, Jonathan Kane, Robert Kennedy, Heather M. Roberts, Zhiqiang Yang. 2018. Multiscale divergence between Landsat- and lidar-based biomass mapping is related to regional variation in canopy cover and composition
Robert Kennedy, Janet Ohmann, Matt Gregory, Heather Roberts, Zhiqiang Yang, David M. Bell, Van Kane, M Joseph Hughes, Warren B. Cohen, Scott Powell, Neeti Neeti, Tara Larrue, Sam Hooper, Jonathan Kane, David Miller, James Perkins, Justin Braaten, Rupert Seidl. 2018. An empirical, integrated forest biomass monitoring system
Paige E. Copenhaver-Parry, David M. Bell. 2018. Species interactions weakly modify climate-induced tree co-occurrence patterns
David M. Bell, Thomas Spies, Robert Pabst. 2017. Historical harvests reduce neighboring old-growth basal area across a forest landscape
Warren B. Cohen, Zhiqiang Yang, Stephen V Stehman, Todd A. Schroeder, David M. Bell, Jeffrey G. Masek, Chengquan Huang, Garrett W. Meigs. 2016. Forest disturbance across the conterminous United States from 1985-2012: The emerging dominance of forest decline
John B Bradford, David M. Bell. 2016. A window of opportunity for climate-change adaptation: easing tree mortality by reducing forest basal area
David M. Bell, Andrew Gray. 2016. Assessing intra- and inter-regional climate effects on Douglas-fir biomass dynamics in Oregon and Washington, USA
David M. Bell, Daniel R. Schlaepfer. 2016. On the dangers of model complexity without ecological justification in species distribution modeling
David M. Bell, James S. Clark. 2016. Seed predation and climate impacts on reproductive variation in temperate forests of the southeastern USA
James S. Clark, Louis Iverson, Christopher W. W. Woodall, Craig D. Allen, David M. Bell, Don C. Bragg, Anthony W. D'Amato, Frank W. Davis, Michelle H. Hersh, Ines Ibanez, Stephen T. Jackson, Stephen Matthews, Neil Pederson, Matthew Peters, Mark W. Schwartz, Kristen M. Waring, Niklaus E. Zimmermann. 2016. The impacts of increasing drought on forest dynamics, structure, and biodiversity in the United States
Matthew J. Gregory, Zhiqiang Yang, David M. Bell, Warren B. Cohen, Sean P. Healey, Janet Ohmann, Heather M. Roberts. 2015. Cloud-based computation for accelerating vegetation mapping and change detection at regional to national scales
David M. Bell, Matthew J. Gregory, Janet Ohmann. 2015. Imputed forest structure uncertainty varies across elevational and longitudinal gradients in the western Cascade mountains, Oregon, USA
David M. Bell, Andrew Gray. 2015. Examining Pseudotsuga menziesii biomass change dynamics through succession using a regional forest inventory system
Warren B. Cohen, Zhiqiang Yang, David M. Bell, Stephen V. Stehman. 2015. US forests are showing increased rates of decline in response to a changing climate
Lynn M. Moore, William K. Lauenroth, David M. Bell, Daniel R. Schlaepfer. 2015. Soil Water and Temperature Explain Canopy Phenology and Onset of Spring in a Semiarid Steppe
David M. Bell, Matthew J. Gregory, Heather M. Roberts, Raymond J. Davis, Janet Ohmann. 2015. How sampling and scale limit accuracy assessment of vegetation maps: A comment on Loehle et al. (2015)
David M. Bell, Eric J. Ward, Andrew C. Oishi, Ram Oren, Paul G. Flikkema, James S. Clark, David Whitehead. 2015. A state-space modeling approach to estimating canopy conductance and associated uncertainties from sap flux density data
David M. Bell, John B. Bradford, William K. Lauenroth. 2015. Scale-dependence of desease impacts on quaking aspen (Populus tremuloides) mortality risk in the southwestern U.S.