Plant & Ecosystem Ecology - Alan Knapp's Lab at Colorado State University
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Alan Knapp

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Current research interests reflect my initial training as a Plant Physiological Ecologist and a three-decade association with large-scale ecosystem research through the NSF Long-Term Ecological Research (LTER) program. Traditional leaf-level gas exchange, plant water relations, and energy balance studies have been a staple of our research for many years, with a focus on ecophysiological mechanisms that drive ecological processes and reflect evolutionary change. This approach has been broadened by involvement with the Konza Prairie LTER program. These interactions have provided our lab with a strong appreciation for collaborative, interdisciplinary research across broad spatial and temporal scales. Indeed, we now label ourselves as Plant & Ecosystem Ecologists that are comfortable working at scales varying from the leaf to the landscape.

Collaborative, interdisciplinary research is appealing and important because it provides scientists the opportunity to make key contributions within the specific framework of a single discipline (a traditional approach), as well as the tools to synthesize across disciplines and tackle issues that the single lab approach cannot. This synthetic approach to Ecology best describes our group's current and future research interests.
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Curriculum Vitae
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Graduate Students

Kathleen Condon

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PhD Student
I am interested in both short-term and long-term precipitation legacy effects in grassland ecosystems. Climate change has and will continue to affect global precipitation patterns, and extreme events and seasons will become more frequent. I want to better understand how a site’s history of being exposed to some extreme event changes its responses – to future extreme events, or by showing unexpected changes in “normal” times after extremes end – by using existing datasets and field manipulation experiments.   
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Greg Tooley

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PhD Student
I am broadly interested in grassland responses to global change. My PhD research focuses primarily on the recovery dynamics of the shortgrass steppe following extreme multi-year droughts with high mortality of dominant species. My research also evaluates how drought duration and post-drought climate conditions shape ecosystem recovery. In my free time, I enjoy hiking, weightlifting, and trail running with my wife!
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Heide Keeble

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Masters Student
Heide is currently a master’s student in the graduate degree program in ecology.  She is most interested in arthropods, plants, and the interactions between them.  Her research is focused on evaluating how the microclimates created under solar panels are impacting the arthropod populations there, in terms of species present, and their abundance.  She earned her bachelor’s degree from Colorado State University in agricultural biology with a focus in entomology.
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Jenna Gardner

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PhD Student
After receiving my M.S. at Boston University, I worked for the state of Utah analyzing current and emerging chemical threats, including those of environmental origin. As a PhD student, I am interested in studying the ecosystem impacts of solar arrays and the potential for applied management/restoration strategies, especially in the face of multi-variate global change.
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Cy Spears

Masters Student
With a bachelors in Geospatial Science and 3+ years of experience in the solar industry, I am prepared to begin asking questions on the broader environmental impacts of industrial-scale solar farms.
In my free-time, I enjoy staying active with martial arts, particularly BJJ, and going to local concerts.
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Research Associates​ & Visiting Scholars

Matthew Sturchio

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Ecovoltaics Webpage
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Post Doctoral Researcher
Cornell University

 My research focuses on quantifying how photovoltaic (PV, a.k.a. solar panel) energy expansion impacts ecosystem processes. To do this, I use a suite of ecophysiological methods to gain physiological insight for how plants respond to the unique environmental conditions created by solar arrays.
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Anping Chen

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Curriculum Vitae
Google Scholar
Research Scientist
Colorado State University
I'm interested in a variety of topics in ecology, in particular ecosystem responses and feedbacks to climate change. I use a variety of data sources (forest survey, remote sensing, climate data, field data) and tools (statistics and ecosystem modeling) to study the interactions between climate and terrestrial ecosystem carbon cycles from local to global scales. I am also a keen theoretical and evolutionary ecologist who wants understand the dynamical behaviors of plant communities with math and evolutionary theories. An enthusiastic naturalist, I like to hike in the Rocky Mountains during weekends and to watch birds, trees, and wildflowers.
[email protected]

Lab Alumni

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Sydney Hedberg, MSc. (2024) Ecologist, National Park Service Southern Plains Inventory and Monitoring Network
Matthew Sturchio, PhD. (2024) Postdoctoral Researcher, Cornell University
Steve Kannenberg, Assistant Professor of Biology, West Virginia University www.stevekannenberg.com 

Olivia Hajek, PhD. (2023) Postdoctoral Researcher, USDA-ARS, Fort Collins, CO
Ingrid Slette, PhD. (2021) Postdoctoral Researcher, LTER Network Office, National Center for Ecological Analysis and Synthesis.
Alison Post, PhD. (2021) Program Manager, Earth Lab CU Boulder. Website
Robert Griffin-Nolan, PhD. (2019) Assistant Professor, California State University Chico Website 
Charles "Jeff" Carroll, PhD. (2018) Affiliate Professor, Colorado State University.
Karie Cherwin, PhD. (2016) Outreach Specialist, Dept. of Forest & Wildlife Ecol., UW-Madison. Website
Kevin Wilcox, PhD. (2015) Associate Professor, University of North Carolina – Greensboro. Website
Whitney Mowl, MSc. (2014) High School Teacher, Jackson, WY*
Elsie Denton, MSc. (2014) Research Technician, USDA-ARS, Burns, OR. Website
David Hoover, PhD. (2013) Research Ecohydrologist, USDA-ARS, Fort Collins, CO. Website
Anine Smith, MSc. (2012) Department of Natural Resources, Pierre, SD
Amanda Lease, MSc., MSc. (2011) High School Science Teacher, Longmont, CO
Greg Buis, MSc. (2009) President, Pioneer Green Energy, Austin, TX.  Website
Jana Heisler-White, PhD. (2008) Senior Ecologist, Tri-Hydro Consulting, Laramie, WY. Website
Madeline Scheintaub, MSc. (2008) Fire Ecologist, Bandelier National Monument, NM*
Priscilla Baker, MSc. (2007) Research Specialist, Crawford Hydrology Lab, W. Kentucky Univ.*
Anthony Swemmer, PhD. (2007) Director, SAEON Ndlovu Node, Kruger Natl. Park, S. Africa. Website
Jesse Nippert, PhD. (2006) Professor, Kansas State University. Website
Michelle Lett, MSc. (2003) Professor, Cowley College, Arkansas City, KS. Website
Melinda D. Smith, Ph.D. (2002) Professor, Colorado State University. Website
Ken McCarron, PhD. (2002) Senior Ecologist / Project Manager, E2M Inc
Brett Danner, MSc. (2001) SRF Consulting Group, Inc., Minneapolis, MN
Andrea Silletti, MSc. (2000) Lab Manager, University of Georgia. Website
Brett N. Rubenstein, MSc. (1998) Faculty, Embark Education, Denver, CO
Christine A. McAllister, MSc. (1997) Professor, Principia College, IL. Website
Laura Maragni, MSc. (1997) Cochise Community College, Bisbee, Arizona*
Floyd Catchpole, MSc. (1996) District Ecologist, Forest Preserve District, Will County, Illinois
Lynne Davy, MSc. (1995) Undergraduate Advisor, Dept. of Sociology, Kansas State University*
Erik P. Hamerlynck, Ph.D. (1995) Plant Physiologist, USDA-ARS, Burns, OR. Website
Stephen R. Johnson, Ph.D. (1994) William Penn University, Oskaloosa, IA*
Jace T. Fahnestock, MSc. (1992) President, North Wind Resource Consulting. Website
*Last known affiliation
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