Fig. 6. Annual export of total phosphorus (TP), soluble reactive phosphorus (SRP), and particulate + soluble nonreactive phosphorus (TP - SRP) for the Maumee and Sandusky watersheds, 1975–1995.
Fig. 6. Annual export of total phosphorus (TP), soluble reactive phosphorus (SRP), and particulate + soluble nonreactive phosphorus (TP - SRP) for the Maumee and Sandusky watersheds, 1975–1995.