Cooperative Research Units
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Dissolved Oxygen Requirements for Freshwater Mussels Phase 1: Development of Test Systems and Experimental Protocols.


March 2008 - February 2010


The objectives of this pilot study (Phase I) are to:
1) Construct a gas-stripping system based on the Barnhart (1995) design to control DO levels.
2) Design a system to expose adult and juvenile mussels to DO treatments under semi-natural conditions.
3) Identify dependent variables (biomarkers) that are indicative of stress under low DO levels.
4) Determine the feasibility of maintaining low DO levels (1 - 3 mg/L) for extended exposures (weeks).
5) Develop a standard protocol to maintain and monitor DO treatments.


Current Staff

Federal Staff: 102

Masters Students: 241

Phd Students: 163

Post Docs: 58

University Staff: 240

5 Year Summary

Students graduated: 703

Scientific Publications: 1901

Presentations: 4321



  • Richard NevesPrincipal Investigator

Funding Agencies

  • Cooperative Research Unit Program
  • USFWS Region 4

Cooperative Research Units Program Headquarters Cooperators