Dr. Walker's group is involved in a wide variety of research projects. These include:

• the affects of endocrine disrupting compounds on endangered fish species
• hydroacoustic and paleolimnological surveys of reservoirs
• ecological characterization of effluent dependent waters in Arizona
• aquatic macroinvertebrates assemblage structure and function in an intermittent stream
• reservoir limnology and ecology
• algal toxins: characterization and mechanisms
• limnological surveys of backwaters of the Lower Colorado River
• biological aspects of the Imperial National Wildlife Refuge water management plan
• ecology of urban lakes
• affects of wildfire on aquatic ecosystems

For volunteer or graduate research opportunities, please contact Dr. Walker.