Expertise in plant ecophysiology, freshwater ecology, and wetland management. Research focuses on aquatic plant ecophysiology and biogeochemical cycling in wetlands. Studies span ecosystem, community, and individual plant levels, with emphasis on invasive species and global change effects on coastal marshes. Applied aspects involve natural, restored, and constructed wetlands for water purification.
Teaching at all levels within the fields of plant physiology, aquatic ecology, and environmental science. Planning and instructing in several international PhD courses on plant-based wastewater treatment in South America, Southeast Asia, China, and several European countries
