2016 Research in the Capitol
Prairie Power Project
Presentation Type
Poster Presentation (Electronic Copy Not Available)
Keywords
Plant biomass--Iowa--Black Hawk County; Prairie plants--Iowa--Black Hawk County;
Abstract
Two of the most pressing ecological issues facing human society are the loss of biodiversity and the rising demand for alternative energy sources. In Iowa, the development of bioenergy crops comprised of native tallgrass prairie species has the potential to address both issues. We conducted a field experiment assessing the potential biomass yields and wildlife habitat value of four candidate tallgrass prairie agroenergy crops grown at site formerly managed for annual row crop production in Black Hawk County. From 2009-2014, we annually monitored crop productivity and wildlife use of the plots. Diverse (16- and 32-species) prairie mixtures were as productive (~7.3 to 8.8 Mg/ha) as switchgrass monocultures and were more resistant to weedy invasion. Bird and butterflies abundance and diversity were consistently greater in diverse mixtures compared to the low-diversity crops, and several grassland birds of conservation concern nested at the site.
Start Date
29-3-2016 11:30 AM
End Date
29-3-2016 1:30 PM
Event Host
University Honors Programs, Iowa Regent Universities
Faculty Advisor
Mark Myers
Department
Department of Biology
Department
Tallgrass Prairie Center
Copyright
©2016 Sara Judickas
File Format
application/pdf
Recommended Citation
Judickas, Sara, "Prairie Power Project" (2016). Research in the Capitol. 9.
https://scholarworks.uni.edu/rcapitol/2016/all/9
Prairie Power Project
Two of the most pressing ecological issues facing human society are the loss of biodiversity and the rising demand for alternative energy sources. In Iowa, the development of bioenergy crops comprised of native tallgrass prairie species has the potential to address both issues. We conducted a field experiment assessing the potential biomass yields and wildlife habitat value of four candidate tallgrass prairie agroenergy crops grown at site formerly managed for annual row crop production in Black Hawk County. From 2009-2014, we annually monitored crop productivity and wildlife use of the plots. Diverse (16- and 32-species) prairie mixtures were as productive (~7.3 to 8.8 Mg/ha) as switchgrass monocultures and were more resistant to weedy invasion. Bird and butterflies abundance and diversity were consistently greater in diverse mixtures compared to the low-diversity crops, and several grassland birds of conservation concern nested at the site.
Comments
Location: Iowa State House, Rotunda, Des Moines, Iowa