In Texas, there are currently 15 species listed as state threatened, of which 5 are candidates for protection under the Endangered Species Act (TPWD 2010; USFWS 2009, 2011). For many of these species it is unknown how habitat quality and quantity is influenced by changes in flow, whether it be extreme low or high flows. Thus, the emphasis of this study will be to begin summarizing the effects of disruptive flow events on mussels to help inform ongoing conservation assessments by USFWS. The anticipated outcome of this project is a review of mussel-hydrologic relationships that USFWS can use to aide in their conservation and recovery activities for Texas mussel species.
