US Army Corps of Engineers
Portland District

Estuary: Factors

Controlling factors diagram

Controlling factors are the basic physical and chemical conditions that construct and influence the structure of the ecosystem.

 

List of controlling factors in the Columbia River system:

 

Contact information

Ronald Thom, Ph.D
360-681-3657

Marine Research Operations, PNNL
1529 W. Sequim Bay Rd.
Sequim, WA 98382