TY - RPRT TI - Grazing effects on aboveground primary production and root biomass of early-seral, mid-seral, and undisturbed semiarid grassland AU - D.G. Milchunas AU - M.W. Vandever PY - 2013 DO - 10.1016/j.jaridenv.2013.01.012 UR - https://pubs.usgs.gov/publication/70045255 ID - 70045255 ER -