Skip to main content

Occurrence and abundance of Topeka shiners in West-Central Iowa

Goals and Objectives:

  • Describe the distribution and occurrence (i.e., presence-absence) of Topeka shiners in west-central Iowa
  • Estimate the density of Topeka shiners in west-central Iowa
  • Describe and define abiotic factors (i.e., physical and chemical habitat) and biotic interactions (i.e., predators, competitors) associated with the occurrence and abundance of Topeka shiners in Iowa waters.

This project was completed by Clay L. Pierce and Michael C. Quist as Principal Investigators, Bryan Bakevich as student investigator, Daryl Howell, and Greg Gelwicks. To read more about this research project, click here to view the report pdf.

Funding Organizations: Iowa Department of Natural Resources (IDNR), Endangered Species, United States Geological Survey, Science Support Partnership (SSP)

Duration: 08/01/2009 to 09/30/2012