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Temperature and Winter Duration Requirements for Reproductive Success in Johnny Darter, Etheostoma nigrum (Percidae), in the South Platte River Basin, Colorado

Duration

September 2018 - June 2021

Narrative

Water temperature is a critical ecological variable and changes in water temperature and its seasonal timing may influence biological processes in aquatic ectotherms. Historically, the South Platte River Basin naturally experienced a wide range of seasonal temperatures However, urbanization and development of Waste Water Treatment Plants have contributed to warmer and more consistent water temperatures throughout the year, particularly in winter months. Less variation in seasonal temperatures could have adverse effects on native fishes that previously relied on temperature fluctuations for important biological processes, such as reproduction. Assessing the thermal requirements of warm water fishes will provide valuable information towards establishing protective winter water temperature standards in effluent-dominated streams.

 

Current Staff

Federal Staff: 101

Masters Students: 239

Phd Students: 154

Post Docs: 55

University Staff: 241

5 Year Summary

Students graduated: 695

Scientific Publications: 1962

Presentations: 4417

 

Personnel

Funding Agencies

  • CO Division of Parks and Wildlife

Links

Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey