Cooperative Research Units
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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: 2

Masters Students: 2

Phd Students: 7

Post Docs: 1

University Staff: 3

5 Year Summary

Students graduated: 36

Scientific Publications: 78

Presentations: 159



Funding Agencies

  • Texas Parks and Wildlife Department


Texas Cooperative Fish and Wildlife Research Unit Cooperators

  1. Texas Parks and Wildlife
  2. Texas Tech University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute