TY - RPRT TI - A comparison of survey methods to evaluate macrophyte index of biotic integrity performance in Minnesota lakes AU - Bruce C. Vondracek AU - Justine D. Koch AU - Marcus W. Beck PY - 2014 DO - 10.1016/j.ecolind.2013.07.002 UR - https://pubs.usgs.gov/publication/70173473 ID - 70173473 ER -