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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 exciting and informative local presentations and events. The HearSA archive includes lectures, panel discussions, book readings, and much more. Texas Public Radio partners with local organizations to bring a second life online to the most interesting talks in town. Content from HearSA may be selected by Texas Public Radio for broadcast or on-air commentary, providing further exposure for archived program material.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