Annual Status Report: 1997 Plant Community Monitoring for Effigy Mounds National Monument
DeBacker M, Thomas L, Grabner K. 1998. Annual Status Report: 1997 Plant Community Monitoring for Effigy Mounds National Monument. National Park Service, Prairie Cluster Long-term Ecological Monitoring Program
Plant community monitoring was initiated in 1997 with the establishment of thirty permanent monitoring sites in four of six Prairie cluster parks. They monitored mixed grass prairie, pine/juniper woodland and restored prairie.