March 6, 2013: Eight River Watchers worked with City of Austin Watershed Protection Biologist, Staryn Wagner, to make the hydrological cycle more functional on Buttermilk Creek by planting bare root saplings of two native species of trees – Texas Mountain Laurel and Cedar Elm. As these trees grow, they will help prevent erosion by holding the soil together; they will filter, clean and slow down flood waters; they will increase infiltration of water into the soil so that the water will come out into the creek more slowly over time through seeps and springs; and they will keep the water cooler in the creek by providing shade.