TY - RPRT TI - Small-Scale Vertical Distribution of Bacterial Biomass and Diversity in Biological Soil Crusts from Arid Lands in the Colorado Plateau AU - F. Garcia-Pichel AU - S. L. Johnson AU - D. Youngkin AU - J. Belnap PY - 2003 DO - 10.1007/s00248-003-1004-0 UR - https://pubs.usgs.gov/publication/70025036 ID - 70025036 ER -