TY - RPRT TI - An ecological risk assessment of the acute and chronic effects of the herbicide clopyralid to rainbow trout (Oncorhynchus mykiss) AU - J.F. Fairchild AU - A.L. Allert AU - K.P. Feltz AU - K.J. Nelson AU - J.A. Valle PY - 2009 DO - 10.1007/s00244-009-9381-0 UR - https://pubs.usgs.gov/publication/70035904 ID - 70035904 ER -