Published:
January 1, 1983
Originator:
Department of the Interior

The tidal Potomac River and Estuary are complex environments inhabited by a variety of plants and animals. These living resources are greatly influenced by dynamic physical and chemical processes which modify their habitat. They, in turn, modify chemical and physical processes and change the habitat. Plants form the link in the food chain between the nutrients in the water column and the sediment and the animals-fish, invertebrates, birds, herptiles and mammals. Hydrologists study submersed plants not only as indicators of water quality and health of aquatic ecosystem but also to understand the interrelation between plants and other ecosystem components.

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