Meet the Team

Jennifer Tank
Todd Royer
John Tyndall
Dr. Jennifer L. Tank​ is the lead contact for this project. Her research focuses on nutrient and carbon cycling in streams and the influence of human activities on water quality and stream health.
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​[email protected]
Dr. Todd V. Royer is an aquatic ecologist specializing in water resources, nutrient and carbon cycling, water quality, and nutrient standards.


[email protected]
Dr. John Tyndall is a Natural Resource Economist specializing in environmental economics and policy. He leads on the economic analysis of conservation practices for this project.
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jtyndall@iastate.edu
Matthew Trentman
​Matthew Trentman is a graduate student investigating the effects of cover crop and two-stage ditch implementation on stream bio-geochemistry at Shatto and Kirkpatrick Ditches.​
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​[email protected]
Shannon Speir
​Shannon Speir is a graduate student investigating nitrogen cycling in the agricultural landscape, focusing on denitrification in newly constructed two-stage ditches & storm nutrient export.


[email protected]
Lienne Sethna
Lienne Sethna is a graduate student studying the science and policy surrounding stream nutrient cycling and water quality.
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[email protected]
Kara Primmer
Kara Primmer oversees all the administrative and financial aspects of the project, including managing our grant funds.

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​​​[email protected]
Ursula Mahl
Adriana Valcu-Lisman
Ursula Mahl is Dr. Tank's lab manager. She oversees data collection, sensor development and laboratory analysis. She also works on watershed modeling.

​​​​​[email protected]
Dr. Adriana Valcu-Lisman is a postdoctoral research fellow in the Dept. of Economics at Iowa State. She is working on project modelling and economic analysis.

amvalcu@iastate.edu
Liguang Li
Dr. Liguang Li is a postdoctoral research fellow at Notre Dame's Environmental Change Initiative. She is investigating the relationship between cover crops and soil health.

[email protected]
Nima Ehsani
Dr. Nima Ehsani is a postdoctoral research fellow at Notre Dame's Environmental Change Initiative. ​He is developing and calibrating SWAT models for both Shatto and Kirkpatrick Ditches.

[email protected]
Darci Zolman
Program Administrator - Kosciusko County Soil and Water Conservation District
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​[email protected]
Andrea Baker
Conservation Program Technician - Kosciusko County Soil and Water Conservation District

​[email protected]
Chad Schotter
Natural Resources Conservation Service (NRCS) District Conservationist
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[email protected]
Dan Perkins
District Director and Watershed Technician - Jasper County Soil and Water Conservation District. Certified Crop Advisor, regionally known as the “Cover Crop Guy”

[email protected]
Jared O'Brien
Resource Specialist - Indiana State Department of Agriculture


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​[email protected]
Kevin Shide
Natural Resources Conservation Service (NRCS) District Conservationist

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​[email protected]

Former Team Members

Elizabeth Willows
Joanna McNulty
Brittany Hanrahan
Kara Prior
Sheila Christopher
Anna Kottkamp