TY - RPRT TI - Efficacy of algal metrics for assessing nutrient and organic enrichment in flowing waters AU - S. D. Porter AU - D. K. Mueller AU - N.E. Spahr AU - M.D. Munn AU - N. M. Dubrovsky PY - 2008 DO - 10.1111/j.1365-2427.2007.01951.x UR - https://pubs.usgs.gov/publication/70031928 ID - 70031928 ER -