30 Second PROMO FOR WEEK OF JULY 18-22 I’m Cecilia Nasti inviting you to tune into Passport to Texas…when we the week getting to know riparian zones. A riparian zone is a special transitional area between a river and an upland ecosystem. And our guest, conservation ecologist, Ryan McGillicuddy, says these strips of land perform vital ecological functions and are the first line of defense between landowners and raging floodwaters .…riparian zones all this week on Passport to Texas…your radio guide to the Great Texas Outdoors.