Zhiqiang Yang

Treesearch Publications

• Zhiqiang Yang, Eric L. Bullock, Erik J. Lindquist, Carole Andrianirina, Sean P. Healey. 2026. Integrating commercial and public imagery to accelerate deforestation alerts
• Eugene Seo, Sean P. Healey, Zhiqiang Yang, John D. Armston, Ralph O. Dubayah, Simon Ilyushchenko, Tiago De Conto, Matthew G. Betts. 2026. Beyond RMSE: The GEDI imputed waveform product minimizes artificial homogeneity evident in existing global forest height maps
• Ian W. Housman, Sean P. Healey, Joshua Heyer, Elizabeth Hardwick, Zhiqiang Yang, Jennifer Ross, Kevin Megown. 2026. Coincident maps of changing land cover, land use, and forest condition in the United States, 1985-present
• Joshua Heyer, Karen G. Schleeweis, Bonnie Ruefenacht, Ian Housman, Zhiqiang Yang, Daniel Ryerson, Jaclyn Reischmann, Kevin Megown, M. Seth Bogle. 2025. Annual national tree canopy cover mapping: A novel workflow with temporal transferability and improved uncertainty quantification
• Svetlana Saarela, Sean P. Healey, Zhiqiang Yang, Bjørn-Eirik Roald, Paul L. Patterson, Terje Gobakken, Erik Næsset, Zhengyang Hou, Ronald E. McRoberts, Göran Ståhl. 2025. A separable bootstrap variance estimation algorithm for hierarchical model-based inference of forest aboveground biomass using data from NASA’s GEDI and Landsat missions
• Ronan Hart, Craig M. Thompson, Jody M. Tucker, Sarah Sawyer, Stephanie A. Eyes, Saba J. Saberi, Zhiqiang Yang, Gavin M. Jones. 2025. Rapid declines in southern Sierra Nevada fisher habitat driven by drought and wildfire
• Sean P. Healey, Zhiqiang Yang, Angela Erb, Ryan M. Bright, Grant M. Domke, Tracey Frescino, Crystal B. Schaaf. 2025. Enhanced observation of forest albedo reveals significant offsets to reported carbon benefits
• Lucas K. Johnson, Zhiqiang Yang, Angela Erb, Ryan M. Bright, Grant M. Domke, Tracey Frescino, Crystal B. Schaaf, Sean P. Healey. 2025. Integrating albedo offsets in reforestation decisions for climate change mitigation outcomes in 2050: A case study in the USA
• 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
• Goran Stahl, Terje Gobakken, Svetlana Saarela, Henrik J. Persson, Magnus Ekstrom, Sean P. Healey, Zhiqiang Yang, Johan Holmgren, Eva Lindberg, Kenneth Nystroma, Emanuele Papucci, Patrik Ulvdal, Hans Ole Orka, Erik Naesset, Zhengyang Hou, Hakan Olsson, Ronald E. McRoberts. 2024. Why ecosystem characteristics predicted from remotely sensed data are unbiased and biased at the same time - and how this affects applications
• Nidhi Jha, Sean P. Healey, Zhiqiang Yang, Goran Stahl, Matthew G. Betts. 2024. Vicarious calibration of GEDI biomass with Landsat age data for understanding secondary forest carbon dynamics
• Svetlana Saarela, Petri Varvia, Lauri Korhonen, Zhiqiang Yang, Paul L. Patterson, Terje Gobakken, Erik Naesset, Sean P. Healey, Goran Stahl. 2023. Three-phase hierarchical model-based and hybrid inference
• Jonathon J. Valente, James W. Rivers, Zhiqiang Yang, S. Kim Nelson, Joseph M. Northrup, Daniel D. Roby, Carolyn B. Meyer, Matthew G. Betts. 2023. Fragmentation effects on an endangered species across a gradient from the interior to edge of its range
• Mark A. Linnell, Damon B. Lesmeister, Zhiqiang Yang, Raymond J. Davis. 2023. Timber harvest and wildfires drive long-term habitat dynamics for an arboreal rodent
• Noel Gorelick, Zhiqiang Yang, Paulo Arevalo, Eric Bullock, Katherin Patricia Insfran, Sean P. Healey. 2023. A global time series dataset to facilitate forest greenhouse gas reporting
• Eric Bullock, Sean P. Healey, Zhiqiang Yang, Regino Acosta, Hermelinda Villalba, Katherin Patricia Insfran, Joana B. Melo, Sylvia Wilson, Laura Duncanson, Erik Næsset, John Armston, Svetlana Saarela, Goran Stahl, Paul L. Patterson, Ralph Dubayah. 2023. Estimating aboveground biomass density using hybrid statistical inference with GEDI lidar data and Paraguay’s national forest inventory
• R. O. Dubayah, J. Armston, Sean P. Healey, Zhiqiang Yang, P. L. Patterson, S. Saarela, G. Stahl, L. Duncanson, J. R. Kellner. 2022. GEDI L4B Gridded Aboveground Biomass Density, Version 2 (User guide)
• Matthew G. Betts, Zhiqiang Yang, Adam S. Hadley, Adam C. Smith, Josee Rousseau, Joseph M. Northrup, Joseph J. Nocera, Noel Gorelick, Brian D. Gerber. 2022. Forest degradation drives widespread avian habitat and population declines
• Gavin M. Jones, Andrew J. Shirk, Zhiqiang Yang, Raymond J. Davis, Joseph L. Ganey, R. J. Gutierrez, Sean P. Healey, Shaula J. Hedwall, Serra J. Hoagland, Ron Maes, Karl Malcolm, Kevin S. McKelvey, Jamie S. Sanderlin, Michael K. Schwartz, Mark E. Seamans, Ho Yi Wan, Samuel A. Cushman. 2022. Spatial and temporal dynamics of Mexican spotted owl habitat in the southwestern US
• Andrew J. Shirk, Gavin M. Jones, Zhiqiang Yang, Raymond J. Davis, Joseph L. Ganey, R. J. Gutierrez, Sean P. Healey, Shaula J. Hedwall, Serra J. Hoagland, Ron Maes, Karl Malcolm, Kevin S. McKelvey, Carly Vynne, Jamie S. Sanderlin, Michael K. Schwartz, Mark E. Seamans, Ho Yi Wan, Samuel A. Cushman. 2022. Automated habitat monitoring systems linked to adaptive management: A new paradigm for species conservation in an era of rapid environmental change
• Francisco Mauro, Vicente Monleon, Andrew Gray, Olaf Kuegler, Hailemariam Temesgen, Andrew T. Hudak, Patrick A. Fekety, Zhiqiang Yang. 2022. Comparison of model-assisted endogenous poststratification methods for estimation of above-ground biomass change in Oregon, USA
• Rong Shang, Zhe Zhu, Junxue Zhang, Shi Qiu, Zhiqiang Yang, Tian Li, Xiucheng Yang. 2022. Near-real-time monitoring of land disturbance with harmonized Landsats 7-8 and Sentinel-2 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
• Eric Bullock, Sean P. Healey, Zhiqiang Yang, Rasmus Houborg, Noel Gorelick, Xiaojing Tang, Carole Andrianirina. 2022. Timeliness in forest change monitoring: A new assessment framework demonstrated using Sentinel-1 and a continuous change detection algorithm
• Ralph Dubayah, John Armston, Sean P. Healey, Jamis M. Bruening, Paul L. Patterson, James R. Kellner, Laura Duncanson, Svetlana Saarela, Goran Stahl, Zhiqiang Yang, Hao Tang, J. Bryan Blair, Lola Fatoyinbo, Scott Goetz, Steven Hancock, Matthew Hansen, Michelle Hofton, George Hurtt, Scott Luthcke. 2022. GEDI launches a new era of biomass inference from space
• Svetlana Saarela, Soren Holm, Sean P. Healey, Paul L. Patterson, Zhiqiang Yang, Hans-Erik Andersen, Ralph O. Dubayah, Wenlu Qi, Laura I Duncanson, John D. Armston, Terje Gobakken, Erik Naesset, Magnus Ekstrom, Goran Stahl. 2022. Comparing frameworks for biomass prediction for the Global Ecosystem Dynamics Investigation
• Jose V Moris, Matthew J. Reilly, Zhiqiang Yang, Warren B. Cohen, Renzo Motta, Davide Ascol. 2022. Using a trait‑based approach to assess fire resistance in forest landscapes of the Inland Northwest, USA
• Raymond J. Davis, Damon B. Lesmeister, Zhiqiang Yang, Bruce Hollen, Bridgette Tuerler, Jeremy Hobson, John Guetterman, Andrew Stratton. 2022. Northwest Forest Plan—the first 25 years (1994–2018): status and trends of northern spotted owl habitats
• Christopher Witt, Raymond J. Davis, Zhiqiang Yang, Joseph L. Ganey, R. J. Gutierrez, Sean P. Healey, Shaula Hedwall, Serra J. Hoagland, Ron Maes, Karl Malcolm, Jamie S. Sanderlin, Mark Seamans, Gavin M. Jones. 2022. Linking robust spatiotemporal datasets to assess and monitor habitat attributes of a threatened species
• Damon B. Lesmeister, Raymond J. Davis, Stan Sovern, Zhiqiang Yang. 2021. Northern spotted owl nesting forests as fire refugia: a 30-year synthesis of large wildfires
• Scott Zolkos, Greg Fiske, Tiffany Windholz, Gabriel Duran, Zhiqiang Yang, Vladimir Olenchenko, Alexey Faguet, Susan M. Natali. 2021. Detecting and mapping gas emission craters on the Yamal and Gydan Peninsulas, Western Siberia
• Eric Bullock, Sean P. Healey, Zhiqiang Yang, Phoebe Oduor, Noel Gorelick, Steve Omondi, Edward Ouko, Warren B. Cohen. 2021. Three decades of land cover change in East Africa
• Matthew G. Betts, Joseph M. Northrup, Jennifer A. Bailey Guerrero, Lindsay J. Adrean, S. Kim Nelson, Jennifer L. Fisher, Brian D. Gerber, Marie-Sophie Garcia-Heras, Zhiqiang Yang, Daniel D. Roby, James W. Rivers. 2020. Squeezed by a habitat split: Warm ocean conditions and old-forest loss interact to reduce long-term occupancy of a threatened seabird
• Warren B. Cohen, Sean P. Healey, Zhiqiang Yang, Zhe Zhu, Noel Gorelick. 2020. Diversity of algorithm and spectral band inputs improves Landsat monitoring of forest disturbance
• Sean P. Healey, Zhiqiang Yang, Noel Gorelick, Simon Ilyushchenko. 2020. Highly local model calibration with a new GEDI LiDAR asset on Google Earth engine reduces Landsat forest height signal saturation
• Zhe Zhu, Junxue Zhang, Zhiqiang Yang, Amal H. Aljaddani, Warren B. Cohen, Shi Qiu, Congliang Zhou. 2020. Continuous monitoring of land disturbance based on Landsat time series
• Benjamin T. Phalan, Joseph M. Northrup, Zhiqiang Yang, Robert Deal, Josée S. Rousseau, Thomas Spies, Matthew G. Betts. 2019. Impacts of the northwest forest plan on forest composition and bird populations
• Matthew G. Betts, Javier Gutierrez Illan, Zhiqiang Yang, Susan M. Shirley, Chris D. Thomas. 2019. Synergistic effects of climate and land-cover change on long-term bird population trends of the western USA: A test of modeled predictions
• Drew S. Bost, Matthew J. Reilly, Erik S. Jules, Melissa H. DeSiervo, Zhiqiang Yang, Ramona J. Butz. 2019. Assessing spatial and temporal patterns of canopy decline across a diverse montane landscape in the Klamath Mountains, CA, USA using a 30-year Landsat time series
• Katherine E. Halstead, John D. Alexander, Adam S. Hadley, Jaime L. Stephens, Zhiqiang Yang, Matthew G. Betts. 2019. Using a species-centered approach to predict bird community responses to habitat fragmentation
• Joseph M. Northrup, James W. Rivers, Zhiqiang Yang, Matthew G. Betts. 2019. Synergistic effects of climate and land‐use change influence broad‐scale avian population declines
• Andrew Gray, Warren B. Cohen, Zhiqiang Yang, Eric Pfaff. 2019. Integrating TimeSync disturbance detection and repeat forest inventory to predict carbon flux
• Stefano Arellano-Perez, Fernando Castedo-Dorado, Carlos Antonio Lopez-Sanchez, Eduardo Gonzalez-Ferreiro, Zhiqiang Yang, Ramon Alberto Díaz-Varela, Juan Gabriel Alvarez-Gonzalez, Jose Antonio Vega, Ana Daria. Ruiz-Gonzalez. 2018. Potential of Sentinel-2A data to model surface and canopy fuel characteristics in relation to crown fire hazard
• Feng Zhao, Chengquan Huang, Samuel N. Goward, Karen G. Schleeweis, Khaldoun Rishmawi, Mary A. Lindsey, Elaine Denning, Louis Keddell, Warren B. Cohen, Zhiqiang Yang, Jennifer L. Dungan, Andrew Michaelis. 2018. Development of Landsat-based annual US forest disturbance history maps (1986-2010) in support of the North American Carbon Program (NACP)
• 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

Data and Tools

• Dashboard
  

  Landscape Change Monitoring System (LCMS)

  https://research.fs.usda.gov/rmrs/products/dataandtools/landscape-change-monitoring-system-lcms

• Project
  

  Creating “living maps” of wildlife habitat

  https://research.fs.usda.gov/rmrs/projects/livingmaps
  Station

  Rocky Mountain Research Station
• Center or Group
  

  Landscape Change Monitoring System (LCMS) Science Team

  https://research.fs.usda.gov/rmrs/centers/lcms
  Station

  Rocky Mountain Research Station
• Center or Group
  

  Laboratory for Applications of Remote Sensing in Ecology (LARSE)

  https://research.fs.usda.gov/rmrs/centers/larse
  Station

  Rocky Mountain Research Station

Articles

• Article
  

  Delivering innovation in annual tree canopy maps to the American people

  https://research.fs.usda.gov/rmrs/articles/delivering-innovation-annual-tree-canopy-maps-american-people
• Article
  

  Forest Service lends sampling expertise to new NASA mission

  https://research.fs.usda.gov/rmrs/articles/forest-service-lends-sampling-expertise-new-nasa-mission
• Article
  

  Beyond carbon: The role of forest albedo

  https://research.fs.usda.gov/rmrs/articles/beyond-carbon-role-forest-albedo

Other Publications

• Notes
  

  The OBIWAN App: Estimating Property-Level Carbon Storage Using NASA’s GEDI Lidar

  https://research.fs.usda.gov/rmrs/understory/obiwan-app-estimating-property-level-carbon-storage-using-nasas-gedi-lidar

Multimedia

• Webinars

  The OBIWAN App: Estimating Property-Level Carbon Storage Using NASA’s GEDI Lidar

  https://research.fs.usda.gov/rmrs/products/multimedia/webinars/obiwan-app-estimating-property-level-carbon-storage-using-nasas