- Benthic-pelagic processes in estuaries, including nutrient cycling and ecosystem metabolism
- Anthropogenic effects on estuarine systems, including nutrient inputs and climate change
- Paleo proxies in estuarine sediments (cores) and biogenic structures (bivalve shell)
- Shellfish ecology
- Nitrogen, carbon, and oxygen stable isotopes
- Pollution ecology, especially fecal indicator microbiology
- Estuarine field experiments