TY - RPRT TI - Environmental and biological data for assessment of the nutrient enrichment effects on agricultural stream ecosystems, 2006-08: A project of the National Water-Quality Assessment Program AU - Robin A. Brightbill AU - Jill D. Frankforter PY - 2010 DO - 10.3133/ds517 UR - https://pubs.usgs.gov/publication/ds517 ID - ds517 ER -