TY - RPRT TI - Direct and indirect effects of a keystone engineer on a shrubland-prairie food web AU - Courtney J. Duchardt AU - Lauren M. Porensky AU - Ian S. Pearse PY - 2020 DO - 10.1002/ecy.3195 UR - https://pubs.usgs.gov/publication/70217576 ID - 70217576 ER -