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Texas Comptroller of Public Accounts
Meghan Hope
Senior Division Manager
Economic Growth and Endangered Species Management Division
Freshwater Mussel Research
Texas Comptroller of Public Accounts
Central Texas Freshwater Mussels
Historic Distribution
Texas Comptroller of Public Accounts
Surveys Locations
• Brazos River– Little River drainage
– Upstream of Possum Kingdom Reservoir
• Colorado River– Lower Colorado River (between
Longhorn Dam and Bay City Dam)
– Middle Colorado (between O.H. Ivy Lake and Lake Buchanan)
• Upper Guadalupe River– Upstream of Canyon Lake
Texas Comptroller of Public Accounts
Smooth Pimpleback
Texas Pimpleback
Texas Fawnsfoot
Texas Fatmucket
False Spike
http://www.tamuirnrmussels.com/photos.html
Texas Comptroller of Public Accounts
Lower Colorado
Texas Comptroller of Public Accounts
Lower Colorado
Texas Comptroller of Public Accounts
Lower Colorado
Texas Comptroller of Public Accounts
Task 2: Applied Research
Auburn University
• Thermal and hypoxia tolerance experiments for adult and juvenile mussels
• Nitrogenous compounds and salinity tolerance experiments on adult mussels
• Turbidity tolerance experiments
• Desiccation tolerance on adult mussels
SMARC
Isotope Analysis
• Stable isotope analysis to evaluate relative contribution of each food source resources
Texas Comptroller of Public Accounts
Environmental Flow Analysis
Texas Comptroller of Public Accounts
Mark-recapture studies
Texas Comptroller of Public Accounts
Texas Comptroller of Public Accounts