Phytoplankton dynamics of the fresh, tidal Potomac River, Maryland, for the summers of 1979 to 1981 : a water-quality study of the tidal Potomac River and estuary /
Cohen, Ronald R. H.
[Washington, D.C.] : U.S. Goverment Printing Office,
1988.
Algae
Phytoplankton
Vegetation dynamics
Algae
Phytoplankton
Vegetation dynamics