TY - RPRT TI - qPCR-based phytoplankton abundance and chlorophyll a: A multi-year study in twelve large freshwater rivers across the United States AU - Chiqian Zhang AU - Kyle D. McIntosh AU - N. Sienkiewicz AU - Erin A. Stelzer AU - Jennifer L. Graham AU - Jingrang Lu PY - 2024 DO - 10.1016/j.scitotenv.2024.175067 UR - https://pubs.usgs.gov/publication/70259269 ID - 70259269 ER -