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00000174-b11b-ddc3-a1fc-bfdbb1d30001HearSA is an online audio archive of public programming intended to foster discussion and enhance awareness of informative local presentations and events. The archive includes lectures, panel discussions, book readings, and more. HearSA is presented by Texas Public Radio in association with its local partners. It is important to recognize that the opinions presented in these programs are those of the author or presenter, not Texas Public Radio or any of its stations, and are not necessarily endorsed by TPR.If your organization hosts lectures, book readings, panel discussions, or presentations and is interested in participating, email HearSA curator, Nathan Cone at ncone [at] tpr dot org

The Impact Of Invasive Species On Texas Water Resources

Invasive Arundo cane, Zebra Mussels, and Hydrilla are among a host of aquatic plants and animals that are not native to Texas and compete with our native animals and plants for food and space. Because introduced species lack natural enemies in our waterways, they can multiply and spread at an alarming rate, interfering with boat traffic, affecting water quality and quantity, and causing a range of other problems.
Recorded at the Texas Water Symposium on April 27, Tim Birdsong, aquatic biologist and Ecosystem/Habitat Assessment Chief of Inland Fisheries for Texas Parks and Wildlife moderates a panel of invasive species specialists in a discussion of invasives in the Hill Country, their potential costs to native wildlife and infrastructure, approaching threats, and the most effective ways for the Hill Country to protect our waterways.

The Texas Water Symposium is a joint presentation of Texas Public Radio, the Hill Country Alliance, Schreiner University, and Texas Tech University.

Moderator: Tim Birdsong, Ecosystem/Habitat Assessment Chief of Inland Fisheries for Texas Parks and Wildlife


  • Dr. Tom Arsuffi, Director of the Llano River Field Station at Texas Tech University – Junction
  • Bob Howells, Retired TPWD: Author of Freshwater Mussels of Texas
  • Rachael Ranft, Director of Northern Hill Country River Projects, The Nature Conservancy

Water, essential for life, is our most precious and valuable natural resource, but water supply is limited and under increasing pressure from a growing population. How will we protect this resource and plan for a sustainable future? There is a great need for a water-literate public; decisions being made today have far reaching and long lasting effects for our children and future generations.