US Army Corps of Engineers
Portland District

Structure

Ecosystem-complex structures diagramEcosystem-complex structures are the major habitat units in the system.

 

List of ecosystem-complex structures in the Columbia River system:

 

 

 

 

Link to Plankton page Link to Scrub-shrub forested wetland page Link to Emergent marsh page Link to Mud / sand flats page Link to Submerged aquatic vegetation page Link to Shallow slope page Link to Deep channel page Link to Plankton page Link to Scrub-shrub forested wetland page Link to Emergent marsh page Link to Mud / sand flats page Link to Submerged aquatic vegetation page Link to Shallow slope page Link to Deep channel page

Contact information

Ronald Thom, Ph.D
360-681-3657

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