Ruth DeFries

Department of Ecology, Evolution, and Environmental Biology
Columbia University
Phone number: 
Fax number: 
(212) 854-8188
Address: 1200 Amsterdam Ave 10th Floor Schermerhorn Ext. New York NY 10027 New York NY US 10027

Other Papers And Presentations (Second Author)

Type Year Title
Publications 2017 Jain, M., Mondal, P., Galford, G.L., Fiske, G. and DeFries, R.S., 2017. An Automated Approach to Map Winter Cropped Area of Smallholder Farms across Large Scales Using MODIS Imagery. Remote Sensing, 9(6), p.566.
Publications 2016 Meiyappan, P., Roy, P., Sharma, Y., Ramachandran, R., Joshi, P., DeFries R., Jain, A., 2016. Dynamics and determinants of land change in India: integrating satellite data with village socioeconomics. Reg Environ Change. DOI 10.1007/s10113-016-1068-2
Publications 2015 Mondal, P., Jain, M., DeFries, R., Galford, G., Small, C. 2015. Sensitivity of crop cover to climate variability: Insights from two Indian agro-ecoregions. Journal of Environmental Management 148, 21-30.
Publications 2014 Mondal, P., Jain, M., Robertson, A., Galford, G., Small, C., DeFries, R. 2014. Winter crop sensitivity to inter-annual climate variability in central India. Climatic Change 126, 61-76.
Publications 2013 Jain, M., Mondal, P., DeFries, R., Small, C., Galford, G. 2013. Mapping cropping intensity of smallholder farms: a comparison of methods using multiple sensors. Remote Sensing of Environment 134, 210-223.
Poster Presentation 2012 Mapping Cropping Intensity of Smallholder Farms in South Asia A Comparison of MODIS, Landsat, and Mixture Model Techniques
Poster Presentation 2012 Tracking deforestation and tree plantation expansion in a Costa Rican biological corridor using a Landsat time series
Publications 2009 R. DeFries, F. Rovero, P. Wright, J. Ahumada, S. Andelman, K. Brandon, J. Dempewolf, A. Hansen, J. Hewson, J. Liu. 2009. Linking Plot-level Biodiversity Measurements with Human Influences over Multiple Spatial Scales in the Tropics: A Conceptual Framework. Frontiers in Ecology and the Environment. doi:10.1890/080104
Publications 2007 Vester, H., D. Lawrence, R. Eastman, B.L. Turner II, S. Calme, R. Dickson, C. Pozo, and F. Sangermano. 2007. Land change in the Southern Yucatan and Calakmul Biosphere Reserve: Implications for habitat and biodiversity. Ecological Applications 17(4): 989–1003.
Publications 2007 Hansen, A.J. and R. DeFries. 2007. Ecological mechanisms linking protected areas to surrounding lands. Ecological Applications 17(4), 974-988.
Publications 2007 DeFries, R., A.J. Hansen, B.L. Turner, R.S. Reid and J. Liu. 2007. Towards scientific principles for regional management of landscapes surrounding protected areas. Ecological Applications 17(4) 1031-1038.
Poster Presentation 2007 Reducing Uncertainties of Carbon Emissions from Land Use-Related Fires with MODIS Data: From Local to Global Scale
Publications 2007 Hansen, A.J. and R. DeFries. 2007. Land use change around nature reserves: Implications for sustaining biodiversity. Ecological Applications, 17(4) 972-973.
Publications 2007 Vina, A., S. Bearer, C. Xiaodong, H. Guangming, M. Linderman, L. An, H. Zhang, Z. Ouyang, and J. Liu. 2007. Temporal changes in connectivity of giant panda habitat across the borders of Wolong Nature Reserve (China). Ecological Applications 17(4): 1019–1030.
Publications 2007 Gude, P.H., A.J. Hansen, D.A. Jones. 2007. Biodiversity consequences of alternative future land use scenarios in Greater Yellowstone. Ecological Applications, 17(4), 1004-1018.
Publications 2005 Hansen, A.J., and R.S. DeFries. 2005. Land use intensification around nature reserves in mountains: Implications for biodiversity. Pgs. 551-562 in U. M. Huber, H.K.M. Bugmann, and M.A. Reasoner, eds., Global Change and Mountain Regions: An Overview of Current Knowledge. Kluwer Academic Publishers, New York.
Publications 2004 Wessels, K. J. R. S. De Fries, J. Dempewolf, L. O. Anderson, A. J. Hansen, S. L. Powell and E. F. Moran. 2004. Mapping regional land cover with MODIS data for biological conservation: Examples from the Greater Yellowstone Ecosystem, USA and Pará State, Brazil. Remote Sensing of Environment 92(1):67-83.
Publications 2004 Hansen, A.J., R. DeFries, W. Turner. 2004. Land Use Change and Biodiversity: A Synthesis of Rates and Consequences during the Period of Satellite Imagery. Pgs 277-299 in G. Gutman and C. Justice, eds., Land Change Science: Observing, Monitoring, and Understanding Trajectories of Change on the Earth's Surface. Springer Verlag, New York, NY.
Publications Mondal, P., Jain, M., Zukowski, M., Galford, G., DeFries, R. Quantifying fluctuations in winter cropped area in the Central Indian Highland landscape. Regional Environmental Change (Special Issue on Central India). In review.