Biogeodiversity along a Maryland piedmont lithosequence Jerry L. Burgess, Beth Tfiloh High School;
Steven Lev, Towson University;
Christopher M. Swan, University of Maryland, Baltimore County;
Katalin Szlavecz, Johns Hopkins University
Direct and indirect effects of earthworms on mycorrhizal fungi Katalin Szlavecz, Johns Hopkins University;
Melissa K. McCormick, Smithsonian Environmental Research Center;
Lijun Xia, Johns Hopkins University;
Dennis F. Whigham, Smithsonian Environmental Research Center