Food
Environment
Trade
Risk
BiorenewablesWater Quality
Objective: To measure the effects of agricultural activities on water quality and to determine which policies are most effective in protecting watersheds and sources of drinking water, particularly in the Midwest.
March 2008
Silvia Secchi, Philip W. Gassman, Manoj Jha, Lyubov Kurkalova, and Catherine L. Kling
Presented at the Iowa Water Conference, Ames, Iowa (February 2008), and the Ecological Society of America Biofuels Conference, Washington, DC
February 2008
Sergey Rabotyagov, Todd Campbell, Manoj Jha, Philip W. Gassman, Jeffrey Arnold, Lyubov Kurkalova, Silvia Secchi, Hongli Feng, and Catherine L. Kling
Department of Economics, Iowa State University
October 2007
Catherine L. Kling, Hongli Feng, and Philip Gassman
Progress report presented at Iowa Farm Bureau Federation offices
March 2007
Manoj Jha, Philip W. Gassman, and Catherine L. Kling
ISU Extension Webcast, Ames, IA
November 2006
Joseph Herriges, Catherine Kling, and John Downing
Presented at the Soil and Water Conservation District Commissioners Conference
June 2006
H. Feng, P. Gassman, M. Jha, C. Kling, and J. Parcel
Presented at the Iowa Farm Bureau Conservation and Environmental Issues Conference
October 2005
Assessing Alternative Policies for the Control of Nutrients in the Upper Mississippi River Basin
0.72 MB
0.72 MB
Catherine L. Kling, Silvia Secchi, Hongli Feng, Philip W. Gassman, Manoj Jha, and Lyubov Kurkalova
Presented at the Mississippi River Basin Nutrients Science Workshop, St. Louis, Missouri
July 2005
Linking the Economic Costs and Water Quality Benefits of Conservation in Agricultural Lands: An Iowa Assessment
3.08 MB
(additional paper 
)
3.08 MB
(additional paper 
)
Silvia Secchi, Philip W. Gassman, Manoj Jha, Lyubov Kurkalova, Hongli H. Feng, Todd Campbell, and Catherine Kling
December 2004
Hongli Feng-Hennessy, Philip Gassman, Manoj Jha, Luba Kurkalova, Catherine Kling, and Silvia Secchi
USDA Economic Research Service
September 2004
Presented at Iowa State University
August 2004
Upper Mississippi River Basin: In-stream versus Edge-of-Field Assessment Poster
5.24 MB
(additional paper )
5.24 MB
(additional paper 
)
Catherine Kling, Hongli Feng, Lyubov A. Kurkalova, Silvia Secchi, Philip W. Gassman, Manoj Jha, Todd Campbell, Arathi Bhaskar, Christopher Burkart, Sanchita Sengupta, and Rebecca Olson (poster design)
June 2004
Kevin Egan, Joseph Herriges, Catherine Kling, and John Downing
EPA Science Forum
February 2004
Kevin Egan, Joseph Herriges, Catherine Kling, and John Downing
Presented at the 4th Annual Water Monitoring Conference, Ames, Iowa
September 2003
Catherine L. Kling, Lyubov A. Kurkalova, Silvia Secchi, and Philip W. Gassman
Application of SWAT for Alternative Management Scenarios for the Upper Mississippi River Basin
2.45 MB
2.45 MB
Philip W. Gassman, Silvia Secchi, Manoj Jha, Jeff Arnold, Raghavan Srinivasan, and Santhi Chinnasamy
May 2003
Silvia Secchi, Philip W. Gassman, Manoj Jha, and Jeff Arnold
December 2002
Philip W. Gassman, Ali Saleh, and John Rodecap