Mud / sand flats are complexes dominated by benthic diatoms and other small algae. The photo at right shows flats and an emergent marsh near Grays River in the Columbia River estuary (WADOE 1997).
Controlling factors that affect mud / sand flats:
Ecosystem processes that are affected by mud / sand flats:
Ronald Thom, Ph.D
Marine Research Operations, PNNL
1529 W. Sequim Bay Rd.
Sequim, WA 98382