Greenfield, B. K.; Hrabik, T. R.; Lewis, D. B.; Wilson, K. A.; Kratz, T. K.; Pollard, A. 2003. Landscape scale variation in taxonomic diversity in four groups of aquatic organisms: the influence of physical, chemical and biological properties. Ecosystems.

Greenfield, B. K.; Hrabik, T. R.; Lewis, D. B.; Wilson, K. A.; Kratz, T. K.; Pollard, A. 2000. Variability in species richness among four taxonomic groups in north temperate lakes with varying chemical characteristics and stream connectivity.

Greenfield, B. K.; Hrabik, T. R.; Kratz, T. K.; Harvey, C. J.; Carpenter, S. R. 1999. Geomorphic and ecological effects on mercury levels in yellow perch.