Featured Publications & Products

• Feldpausch, T.R.; Banin, L.; Phillips, O.L.; Baker, T.R.; Lewis, S.L.; Quesada, C.A.; Affum-Baffoe, K.; Arets, E.J.M.M.; Berry, N.J.; Bird, M.; Brondizio, E.S.; de Camargo, P; Chave, J.; Djagbletey, G.; Domingues, T.F.; Drescher, M.; Fearnside, P.M.; Franca, M.B.; Fyllas, N.M.; Lopez-Gonzalez, G.; Hladik, A.; Higuchi, N.; Hunter, M.O.; Iida, Y.; Salim, K.A.; Kassim, A.R.; Keller, M.; Kemp, J.; King, D.A.; Lovett, J.C.; Marimon, B.S.; Marimon-Junior, B.H.; Lenza, E.; Marshall, A.R.; Metcalfe, D.J.; Mitchard, E.T.A.; Moran, E.F.; Nelson, B.W.; Nilus, R.; Nogueira, E.M.; Palace, M.; Patiño, S.; Peh, K.S.-H.; Raventos, M.T.; Reitsma, J.M.; Saiz, G.; Schrodt, F.; Sonke, B.; Taedoumg, H.E.; Tan, S.; White, L.; Woll, H.; Lloyd, J. 2011. Height-diameter allometry of tropical forest trees.
• Espírito-Santo, F.D.B.; Keller, M.; Braswell, B.; Nelson, B.W.; Frolking, S.; Vicente, G. 2010. Storm intensity and old-growth forest disturbances in the Amazon region.
• Kampe, Thomas U.; Johnson, Brian R.; Kuester, Michele; Keller, Michael. 2010. NEON: the first continental-scale ecological observatory with airborne remote sensing of vegetation canopy biochemistry and structure.
• Bustamante, M.M.C.; Keller, Michael; Silva, D.A. 2009. Sources and sinks of trace gases in Amazonia and the Cerrado.
• Asner, Gregory P.; Keller, Michael; Lentini, Marco; Merry, Frank; Carlos, Souza Jr. 2009. Selective logging and its relation to deforestation.

Publications

• Rangel Pinagé, Ekena ; Keller, Michael ; Duffy, Paul ; Longo, Marcos ; dos-Santos, Maiza ; Morton, Douglas . 2019. Long-Term Impacts of Selective Logging on Amazon Forest Dynamics from Multi-Temporal Airborne LiDAR.
• Longo, Marcos ; Keller, Michael . 2019. Not the same old( growth) forests.
• Meyer, Victoria ; Saatchi, Sassan ; Clark, David B.; Keller, Michael ; Vincent, Grégoire ; Ferraz, António ; Espírito-Santo, Fernando ; Oliveira, Marcus V N.; Kaki, Dahlia ; Chave, Jérôme . 2018. Canopy area of large trees explains aboveground biomass variations across neotropical forest landscapes.
• McDowell, Nate ; Allen, Craig D.; Anderson-Teixeira, Kristina ; Brando, Paulo ; Brienen, Roel ; Chambers, Jeff ; Christoffersen, Brad ; Davies, Stuart ; Doughty, Chris ; Duque, Alvaro ; Espirito-Santo, Fernando ; Fisher, Rosie ; Fontes, Clarissa G.; Galbraith, David ; Goodsman, Devin ; Grossiord, Charlotte ; Hartmann, Henrik ; Holm, Jennifer ; Johnson, Daniel J.; Kassim, Abd Rahman; Keller, Michael ; Koven, Charlie ; Kueppers, Lara ; Kumagai, Tomo'omi ; Malhi, Yadvinder ; McMahon, Sean M.; Mencuccini, Maurizio ; Meir, Patrick ; Moorcroft, Paul ; Muller-Landau, Helene C.; Phillips, Oliver L.; Powell, Thomas ; Sierra, Carlos A.; Sperry, John ; Warren, Jeff ; Xu, Chonggang ; Xu, Xiangtao . 2018. Drivers and mechanisms of tree mortality in moist tropical forests.
• Leitold, Veronika ; Morton, Douglas C.; Longo, Marcos ; dos-Santos, Maiza Nara; Keller, Michael ; Scaranello, Marcos . 2018. El Ni o drought increased canopy turnover in Amazon forests.
• Becknell, Justin M.; Keller, Michael ; Piotto, Daniel ; Longo, Marcos ; Nara dos-Santos, Maiza ; Scaranello, Marcos A.; Bruno de Oliveira Cavalcante, Rodrigo ; Porder, Stephen . 2018. Landscape-scale lidar analysis of aboveground biomass distribution in secondary Brazilian Atlantic Forest.
• Roitman, Iris ; Bustamante, Mercedes M. C.; Haidar, Ricardo F.; Shimbo, Julia Z.; Abdala, Guilherme C.; Eiten, George ; Fagg, Christopher W.; Felfili, Maria Cristina; Felfili, Jeanine Maria; Jacobson, Tamiel K. B.; Lindoso, Galiana S.; Keller, Michael ; Lenza, Eddie ; Miranda, Sabrina C.; Pinto, José Roberto R.; Rodrigues, Ariane A.; Delitti, Wellington B. C.; Roitman, Pedro ; Sampaio, Jhames M. 2018. Optimizing biomass estimates of savanna woodland at different spatial scales in the Brazilian Cerrado: Re-evaluating allometric equations and environmental influences.
• Yang, Yan ; Saatchi, Sassan S.; Xu, Liang ; Yu, Yifan ; Choi, Sungho ; Phillips, Nathan ; Kennedy, Robert ; Keller, Michael ; Knyazikhin, Yuri ; Myneni, Ranga B. 2018. Post-drought decline of the Amazon carbon sink.
• Lei, Yang ; Treuhaft, Robert ; Keller, Michael ; dos-Santos, Maiza ; Gonçalves, Fabio ; Neumann, Maxim . 2018. Quantification of selective logging in tropical forest with spaceborne SAR interferometry.
• Rappaport, Danielle ; Morton, Douglas ; Longo, Marcos ; Keller, Michael ; Dubayah, Ralph ; dos-Santos, Maiza Nara. 2018. Quantifying long-term changes in carbon stocks and forest structure from Amazon forest degradation.
• Frolking, Steve; Hagen, Stephen; Braswell, Bobby; Milliman, Tom; Herrick, Christina; Peterson, Seth; Roberts, Dar; Keller, Michael; Palace, Michael; Vadrevu, Krishna Prasad. 2017. Evaluating multiple causes of persistent low microwave backscatter from Amazon forests after the 2005 drought.
• Feng, Yunyun; Lu, Dengsheng; Chen, Qi; Keller, Michael; Moran, Emilio; Nara dos-Santos, Maiza; Luis Bolfe, Edson; Batistella, Mateus. 2017. Examining effective use of data sources and modeling algorithms for improving biomass estimation in a moist tropical forest of the Brazilian Amazon.
• Silva, Carlos Alberto; Hudak, Andrew Thomas; Vierling, Lee Alexander; Klauberg, Carine; Garcia, Mariano; Ferraz, Antonio; Keller, Michael; Eitel, Jan; Saatchi, Sassan. 2017. Impacts of airborne lidar pulse density on estimating biomass stocks and changes in a selectively logged tropical forest.
• Lei, Yang; Treuhaft, Robert; Keller, Michael; Lucas, Richard; Siqueira, Paul; Schmidt, Michael. 2017. LARGE-scale fine-resolution products of forest disturbance using new approaches from spacborne sar interferometry.
• Treuhaft, Robert; Lei, Yang; Gonçalves, Fabio; Keller, Michael; Santos, João; Neumann, Maxim; Almeida, André. 2017. Tropical-Forest Structure and Biomass Dynamics from TanDEM-X Radar Interferometry.
• Longo, Marcos; Keller, Michael; dos-Santos, Maiza N.; Leitold, Veronika; Pinagé, Ekena R.; Baccini, Alessandro; Saatchi, Sassan; Nogueira, Euler M.; Batistella, Mateus; Morton, Douglas C. 2016. Aboveground biomass variability across intact and degraded forests in the Brazilian Amazon.
• Morton, Douglas C.; Rubio, Jeremy; Cook, Bruce D.; Gastellu-Etchegorry, Jean-Philippe; Longo, Marcos; Choi, Hyeungu; Hunter, Maria; Keller, Michael. 2016. Amazon forest structure generates diurnal and seasonal variability in light utilization.
• Sato, Luciane; Gomes, Vitor; Shimabukuro, Yosio; Keller, Michael; Arai, Egidio; dos-Santos, Maiza; Brown, Irving; Aragão, Luiz. 2016. Post-Fire Changes in Forest Biomass Retrieved by Airborne LiDAR in Amazonia.
• Leitold, Veronika; Keller, Michael; Morton, Douglas C; Cook, Bruce D; Shimabukuro, Yosio E. 2015. Airborne lidar-based estimates of tropical forest structure in complex terrain: opportunities and trade-offs for REDD+.
• Schimel, David; Keller, Michael. 2015. Big questions, big science: meeting the challenges of global ecology.
• Oliveira Junior, R.C.; Keller, M.; da F. Ramos, J. F.; Beldini, T.P.; Crill, P.M; de Camargo, P.B.; van Haren, J. 2015. Chemical analysis of rainfall and throughfall in primary forest in the Tapaj s National Forest, Belterra, Par , Brazil.
• Chen, Qi; Lu, Dengsheng; Keller, Michael; dos-Santos, Maiza; Bolfe, Edson; Feng, Yunyun; Wang, Changwei. 2015. Modeling and Mapping Agroforestry Aboveground Biomass in the Brazilian Amazon Using Airborne Lidar Data.
• Beldini, T.P.; Oliveira Junior, R.C.; Keller, Michael; de Camargo, P.B.; Crill, P.M.; Damasceno da Silva, A.; Bentes dos Santos, D.; Rocha de Oliveira, D. 2015. Physical, chemical, and biological properties of soil under soybean cultivation and at an adjacent rainforest in Amazonia.
• Hunter, Maria O.; Keller, Michael; Morton, Douglas; Cook, Bruce; Lefsky, Michael; Ducey, Mark; Saleska, Scott; de Oliveira, Raimundo Cosme; Schietti, Juliana. 2015. Structural dynamics of tropical moist forest gaps.
• Bustamante, Mercedes M. C.; Roitman, Iris; Aide, T. Mitchell; Alencar, Ane; Anderson, Liana O.; Aragao, Luiz; Asner, Gregory P.; Barlow, Jos; Berenguer, Erika; Chambers, Jeffrey; Costa, Marcos H.; Fanin, Thierry; Ferreira, Laerte G.; Ferreira, Joice; Keller, Michael; Magnusson, William E.; Morales-Barquero, Lucia; Morton, Douglas; Ometto, Jean P. H. B.; Palace, Michael; Peres, Carlos A.; Silverio, Divino; Trumbore, Susan; Vieira, Ima C. G. 2015. Toward an integrated monitoring framework to assess the effects of tropical forest degradation and recovery on carbon stocks and biodiversity.
• Oliveira Junior, R.C.; Keller, Michael; Crill, P.; Beldini, T.; Van Haren, J.; Camargo, P. 2015. Trace gas fluxes from intensively managed rice and soybean fields across three growing seasons in the Brazilian Amazon.
• Andersen, H.E.; Reutebuch, S.E.; McGaughey, R.J.; d'Oliveira, M.V.N.; Keller, M. 2014. Monitoring selective logging in western Amazonia with repeat lidar flights.
• de Miranda, S.d.C.; Bustamente, M.; Palace, M.; Hagen, S.; Keller, M.; Ferreira, L.G. 2014. Regional variations in biomass distribution in Brazilian savanna woodland.
• Saatchi, Sassan; Mascaro, Joseph; Xu, Liang; Keller, Michael; Yang, Yan; Duffy, Paul; Espirito-Santo, Fernando; Baccini, Alessandro; Chambers, Jeffery; Schimel, David. 2014. Seeing the forest beyond the trees.
• Espirito-Santo, F.D.B.; Gloor, M.; Keller, M.; Malhi, Y.; Saatchi, S.; Nelson, B.; Oliveira Junior, R.C.; Pereira, C.; Lloyd, J.; Frolking, S.; Palace, M.; Shimabukuro, Y.E.; Duarte, V.; Monteagudo Mendoza, A.; Lopez-Gonzalez, G.; Baker, T.R.; Feldpausch, T.R.; Brienen, R.J.W.; Asner, G.P.; Boyd, D.S.; Phillips, O.L. 2014. Size and frequency of natural forest disturbances and the Amazon forest carbon balance.
• Treuhaft, R.; Goncalves, F.; dos Santos, J.R.; Keller, M.; Palace, M.; Madsen, S.N.; Sullivan, F.; Graca, P.M.L.A. 2014. Tropical-forest biomass estimation at X-Band from the spaceborne TanDEM-X interferometer.
• Espirito-Santo, F. D. B.; Keller, M. M.; Linder, E.; Oliveira Junior, R. C.; Pereira, C.; Oliveira, C. G. 2013. Gap formation and carbon cycling in the Brazilian Amazon: measurement using high-resolution optical remote sensing and studies in large forest plots.
• Hunter, M.O.; Keller, M.; Vitoria, D.; Morton, D.C. 2013. Tree height and tropical forest biomass estimation.
• Van Haren, J.; de Oliveira, Jr., R.C.; Beldini, P.T.; de Camargo, P.B.; Keller, M.; Saleska, S. 2013. Tree species effects on soil properties and greenhouse gas fluxes in East-central Amazonia: comparison between monoculture and diverse forest.
• Palace, Michael; Keller, Michael; Hurtt, George; Frolking, Steve. 2012. A review of above ground necromass in tropical forests.
• Stark, S. C.; Leitold, V.; Wu, J. L.; Hunter, M. O.; de Castilho, C. V.; Costa, F. R. C.; McMahon, S. M.; Parker, G. G.; Takako Shimabukuro, M.; Lefsky, M. A.; Keller, M.; Alves, L. F.; Schietti, J.; Shimabukuro, Y. E.; Brandao, D. O.; Woodcock, T. K.; Higuchi, N.; de Camargo, P. B; de Oliveira, R. C.; Saleska, S. R. 2012. Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment.
• Silver, W. L.; Thompson, A. W.; McGroddy, M. E.; Varner, R. K.; Robertson, J. R.; Dias, J. D.; Silva, H.; Crill, P.; Keller, M. 2012. Long-term soil gas flux and root mortality, Tapajos National Forest.
• Kao, R. H.; Gibson, C.M.; Gallery, R. E.; Meier, C. L.; Barnett, D. T.; Docherty, K. M.; Blevins, K. K.; Travers, P. D.; Azuaje, E.; Springer, Y. P.; Thibault, K. M.; McKenzie, V. J.; Keller, M.; Alves, L. F.; Hinckley, E. L. S.; Parnell, J.; Schimel, D. 2012. NEON terrestrial field observations: designing continental scale, standardized sampling.
• Davidson, Eric A.; de Araujo, Alessandro C.; Artaxo, Paulo; Balch, Jennifer K.; Brown, I. Foster; Bustamente, Mercedes M.C.; Coe, Michael T.; DeFriess, Ruth S.; Keller, Michael; Longo, Marcos; Munger, J. William; Schroeder, Wilfrid; Soares-Filho, Britaldo; Souza, Jr., Carlos M.; Wofsy, Steven C. 2012. The Amazon Basin in transition.
• Luo, Yiqi; Melillo, Jerry; Niu, Shuli; Beier, Claus; Clark, James S.; Classen, Aime E.T.; Dividson, Eric; Dukes, Jeffrey S.; Evans, R. Dave; Field, Christopher B.; Czimczik, Claudia I.; Keller, Michael; Kimball, Bruce A.; Kueppers, Lara M.; Norby, Richard J.; Pelini, Shannon L.; Pendall, Elise; Rastetter, Edward; Six, Johan; Smith, Melinda; Tjoelker, Mark G.; Torn, Margaret S. 2011. Coordinated approaches to quantify long-term ecosystem dynamics in response to global change.
• Sousa Neto, E.; Carmo, J.B.; Keller, Michael; Martins, S.C.; Alves, L.F.; Vieira, S.A.; Piccolo, M.C.; Camargo, P.; Couto, H.T.Z.; Joly, C.A.; Martinelli, L.A. 2011. Soil-atmosphere exchange of nitrous oxide, methane and carbon dioxide in a gradient of elevation in the coastal Brazilian Atlantic forest.
• van Haren, J.L.M.; de Oliveira, R.C.; Restrepo-Coupe, N.; Hutyra, L.; de Camargo, P. B.; Keller, Michael; Saleska, S.R. 2010. Do plant species influence soil CO2 and N2O fluxes in a diverse tropical forest.
• Xiao, Xiangming; Biradar, Chandrashekhar M.; Czarnecki, Christina; Alabi, Tunrayo; Keller, Michael. 2009. A simple algorithm for large-scale mapping of evergreen forests in tropical America, Africa and Asia.
• Keller, M.M.; Palace, M.W. 2009. LBA-ECO TG-07 Ground-based Biometry Data at km 83 Site, TapajosNational Forest: 1997.
• Varner, R.K.; Keller, M.M. 2009. LBA-ECO TG-07 Soil CO2 Flux by Automated Chamber, Para, Brazil: 2001-2003.
• Varner, R.K.; Keller, M.M. 2009. LBA-ECO TG-07 Soil Trace Gas Flux and Root Mortality, Tapajos National Forest.
• Keller, M.M.; Varner, R.K.; Dias, J.D.; Silva, H.S.; Crill, P.M.; de Oliveira, Jr., R.C..; Asner, G.P. 2009. LBA-ECO TG-07 Trace Gas Fluxes, Undisturbed and Logged Sites, Para, Brazil: 2000-2002.
• Keller, Michael; Schimel, David S.; Hargrove, W. William; Hoffman, Forrest M. 2008. A continental strategy for the national ecological observatory network.
• Palace, Michael; Keller, Michael; Asner, Gregory P.; Hagen, Stephen; Braswell, Bobby . 2008. Amazon Forest Structure from IKONOS Satellite Data and the Automated Characterization of Forest Canopy Properties.
• Huang, Maoyi; Asner, Gregory P.; Keller, Michael; Berry, Joseph A. 2008. An ecosystem model for tropical forest disturbance and selective logging.
• PALACE, MICHAEL; KELLER, MICHAEL; SILVA, HUDSON. 2008. Necromass production: studies in undisturbed and logged Amazon Forests.
• McGroddy, M. E.; Silver, W. L.; de Oliveira, Jr., R. C..; de Mello, W. Z.; Keller, M. 2008. Retention of phosphorus in highly weathered soils under a lowland Amazonian forest ecosystem.
• Palace, Michael; Keller, Michael; Asner, Gregory P.; Silva, Jose Natalino M.; Passos, Carlos. 2007. Necromass in undisturbed and logged forests in the Brazilian Amazon..
• Lefskya, Michael A.; Keller, Michael; Panga, Yong; de Camargod, Plinio B.; Hunter, Maria O. 2007. Revised method for forest canopy height estimation from Geoscience Laser Altimeter System waveforms..
• Keller, Michael; Asner, Gregory P.; Blate, Geoffrey; McGlocklin, Frank; Merry, John; Peña-Claros, Marielos; Zweede, Johan. 2007. Timber production in selectively logged tropical forests in South America..
• do Carmo, Janaina Braga; Keller, Michael; Dezincourt Dias, Jadson; Barbosa de Camargo, Plinio; Crill, Patrick. 2006. A source of methane from upland forests in the Brazilian Amazon..
• Asner, Gregory P.; Broadbent, Eben N.; Oliveira, Paulo J. C.; Keller, Michael; Knapp, David E.; Silva, Jose N. M. 2006. Condition and fate of logged forests in the Brazilian Amazon..
• Xiao, Xiangming; Hagen, Stephen; Zhang, Qingyuan; Keller, Michael; Moore III, Berrien. 2006. Detecting leaf phenology of seasonally moist tropical forests in South America with multi-temporal MODIS images..
• Lefsky, Michael A.; Harding, David J.; Keller, Michael; Cohen, Warren B.; Carabajal, Claudia C.; Del Bom Espirito-Santo, Fernando; Hunter, Maria O.; de Oliveira Jr., Raimundo. 2005. Estimates of forest canopy height and aboveground biomass using ICESat..
• Lefsky, Michael A.; Harding, David J.; Keller, Michael; Cohen, Warren B.; Carabajal, Claudia C.; Del Bom, Fernando; Hunter, Maria O.; de Oliveira, Raimundo Jr. 2005. Estimates of forest canopy height and aboveground biomass using ICESat..
• SILVER, WHENDEE L.; THOMPSON, ANDREW W.; MCGRODDY, MEGAN E .; VARNER, RUTH K.; DIAS, JADSON D.; SILVA, HUDSON; CRILL PATRICK M., ; KELLER, MICHAEL. 2005. Fine root dynamics and trace gas fluxes in two lowland tropical forest soils..
• Keller, Michael; Palace, Michael; Asner, Gregory P.; Pereira, Rodrigo Jr.; Silva, Jose Natalino M. 2004. Coarse woody debris in undisturbed and logged forests in the eastern Brazilian Amazon..
• ASNER, GREGORY P.; KELLER, MICHAEL; SILVA, JOSEN M. 2004. Spatial and temporal dynamics of forest canopy gaps following selective logging in the eastern Amazon..
• Keller, Michael; Silva-Dias, Maria Assunção; Nepstad, Daniel C.; Andreae, Meinrat O. 2004. The Large-Scale Biosphere-Atmosphere Experiment in Amazonia: Analyzing Regional Land Use Change Effects..
• Hurtt, George; Xiao, Xiangming; Keller, Michael; Palace, Michael; Asner, Gregory P.; Braswell, Rob; Brondı, ; zio, Eduardo S.; Cardoso, Manoel; Carvalho, Claudio J.R.; Fearon, Matthew G.; Guild, Liane; Hagen, Steve; Hetrick, Scott; Moore III, Berrien; Nobre, Carlos; Read, Jane M.; Sá, ; NO-VALUE, Tatiana; Schloss, Annette; Vourlitis, George; Wickel, Albertus J. 2003. IKONOS imagery for the Large Scale Biosphere Atmosphere Experiment in Amazonia (LBA)..
• Robertsa, Dar A.; Keller, Michael; Soares, Joao Vianei. 2003. Studies of land-cover, land-use, and biophysical properties of vegetation in the Large Scale Biosphere Atmosphere experiment in Amazonia..
• Asner, Gregory P.; Palace, Michael; Keller, Michael; Pereira Jr., Rodrigo; Silva, Jose N. M.; Zweede, Johan C. 2002. Estimating Canopy Structure in an Amazon Forest from Laser Range Finder and IKONOS Satellite Observations.
• Erickson, Heather; Davidson, Eric A.; Keller, Michael. 2002. Former land-use and tree species affect nitrogen oxide emissions from a tropical dry forest..
• Asner, Gregory P.; Keller, Michael; Pereira, Rodrigo; Zweede, Johan C. 2002. Remote sensing of selective logging in Amazonia Assessing limitations based on detailed field observations, Landsat ETM+, and textural analysis..
• MCSWINEY, CLAIRE P.; MCDOWELL, WILLIAM H.; KELLER, MICHAEL. 2001. Distribution of nitrous oxide and regulators of its production across a tropical rainforest catena in the Luquillo Experimental Forest, Puerto Rico.
• Erickson, Heather; Keller, Michael; Davidson, Eric. 2001. Nitrogen Oxide Fluxes and Nitrogen Cycling during Postagricultural Succession and Forest Fertilization in the Humid Tropics..
• Silver, Whendee L.; Neff, Jason; McGroddy, Megan; Veldkamp, Ed; Keller, Michael; Cosme, Raimundo. 2000. Effects of Soil Texture on Belowground Carbon and Nutrient Storage in a Lowland Amazonian Forest Ecosystem..
• Liu, Shuguanga; Reiners, William A.; Keller, Michael; Schimel, Davis S. 2000. Simulation of nitrous oxide and nitric oxide emissions from tropical primary forests in the Costa Rican Atlantic Zone.
• Davidson, Eric A.; Keller, Michael; Erickson, Heather E.; NO-VALUE, Verchot, Louis V..; Veldkamp, Edzo. 2000. Testing a Conceptual Model of Soil Emissions of Nitrous and Nitric Oxides.