Greenfield, BK; Hrabik, TR; Lewis, D; Wilson, K; Kratz, T; Pollard, A. 2000. Variability in species richness among four taxonomic groups in north temperate lakes with varying chemical characteristics and stream connectivity. Snowbird, Utah.
Name
A Pollard
Greenfield, BK; Hrabik, TR; Lewis, D; Wilson, K; Kratz, T; Pollard, A. 2003. Landscape scale variation in taxonomic diversity in four groups of aquatic organisms: the influence of physical, chemical and biological properties. Ecosystems.