Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Assessing the risk of dreissenid mussel invasion in Texas based on lake physical characteristics and potential for downstream dispersal


September 2016 - September 2017


Zebra mussels were first reported in Lake Texoma (Texas/Oklahoma) around 2009, and have since spread further into the state. Delimiting suitable dreissenid habitat and dispersal potential within Texas represents a critical management need. The objectives of this study are to assess risk of zebra mussel (Dreissena polymorpha) and a related invasive species, quagga mussel (Dreissena bugensis) invasion in Texas by 1) predicting general distribution of suitable habitat in Texas using Maxent models; 2) refining lake-specific predictions via collection of physicochemical data from identified high-risk lakes; and 3) assessing the potential for downstream spread of zebra mussels with environmental DNA.


Current Staff

Federal Staff: 101

Masters Students: 234

Phd Students: 160

Post Docs: 60

University Staff: 268

5 Year Summary

Students graduated: 671

Scientific Publications: 1868

Presentations: 4326



Funding Agencies

  • Texas Parks and Wildlife Department


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey