TY - RPRT TI - Abiotic influences on the biomass of Vallisneria americana Michx. In the Upper Mississippi River AU - Rebecca M. Kreiling AU - Y. Yin AU - D.T. Gerber PY - 2007 DO - 10.1002/rra.984 UR - https://pubs.usgs.gov/publication/70033088 ID - 70033088 ER -