TY - RPRT TI - Effects of ungulates and prairie dogs on seed banks and vegetation in a North American mixed-grass prairie AU - J. T. Fahnestock AU - D.L. Larson AU - G. E. Plumb AU - J.K. Detling PY - 2003 DO - 10.1023/a:1023929627168 UR - https://pubs.usgs.gov/publication/70025487 ID - 70025487 ER -