Ecoregions and Watersheds Review Stations Name: Class Period: Station 1: Ecoregions of Texas Piney Woods (Zone 1): http://www.youtube.com/watch?v=0Y4iTIZd9ik&list=UUlzD2YGZ9IkqDLXRSeiCvrQ&index=11 What is the major lake located in the Piney Woods? Based on the video, how would you describe the Piney Woods? South Texas Plains (Zone 6): http://www.youtube.com/watch?v=u5LFfG4J3Gw Based on the video, how would you describe the South Texas Plains? Station 2: Ecoregions of Texas Trans-Pecos (Zone 10): (ONLY WATCH THE FIRST TWO MINUTES) http://www.youtube.com/watch?v=FPnXS69INRM Where is the Trans Pecos Ecoregion located? Based on the video, what are some of the land features of the Trans-Pecos? Edwards Plateau (Zone 7): http://www.youtube.com/watch?v=IEu9cZZeD9k What are two major cities of the Edwards Plateau Ecoregions? What are some of the features of the Edwards Plateau Ecoregion? Station 3: Watersheds of Texas (ANSWER IN COMPLETE SENTENCES) 1. Which region of Texas is likely to experience more erosion, West Texas or East Texas? Explain why. 2. What river does the Pecos River Drain into? Where does sediment from both rivers end up getting deposited? 3. Fertilizers contain large amounts of NITRATES. Areas of the Gulf Coast often experience nitrate pollution. What could be the reasons for this pollution, and what effect could they have on the environment along the coast? 4. Which watershed is the largest in Texas? How big is it? Station 4: Weathering, Erosion, and Deposition Card Sort: Define the following and give an example: Word Definition Weathering Example Erosion Deposition Station 5: Human Impact on Watersheds Article: Suspended Sediment How much of the sediment carried by a river in one year is transported during a single storm period? Article: Impervious Surfaces In cities, much of the vegetation is replaced by impervious surfaces. Impervious surfaces like concrete and asphalt don’t let water through to the soil. What can be the result? Article: Sediment fences reduce runoff Why is it important to use sediment fences at construction sites? Article: Urbanization and Water Quality What are 5 water-quality issues that relate to urban development, or growth of cities? What affect can pumping water from wells have on the water table?