Cooperative Research Units
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Salinity adaptation in the ichthyotoxic golden alga


January 2017 - June 2019


Highlights of completed study

• High salinity suppressed growth rate and maximum density of the harmful algal species, Prymnesium parvum
• Incrementally increased salinity did not prevent growth inhibition at high salinity
• Compensation was observed over time for growth rate but not maximum density
• Growth inhibition did not occur in full sea-salt, high-salinity medium
• Results provide new insights on P. parvum’s ability to grow in saline environments

Research Products and Activities


  • Richardson, E, Patiño, R. 2018. Salinity adaptation in the ichthyotoxic golden alga. International Aridlands Conference, Lubbock, Texas August 13-14, 2018.

Current Staff

Federal Staff: 2

Masters Students: 6

Phd Students: 3

Post Docs: 1

University Staff: 2

5 Year Summary

Students graduated: 43

Scientific Publications: 68

Presentations: 160



  • Reynaldo PatiñoPrincipal Investigator
  • Emily RichardsonCo-Principal Investigator

Funding Agencies

  • Texas Tech University


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