Overview of Ecosystem Stressors

Ecosystem stressors are "out of the ordinary" natural and unnatural inputs to the system that disturb the controlling factors, structure, and processes in the ecosystem. Stressors produce potentially large-scale effects on the natural spatial and temporal dynamics of the system.

List of non-natural ecosystem stressors in the Columbia River system:

Agriculture   Diking   Dredging   Filling   Flow Regulation   Logging   Marinas and Overwater Structures   Shoreline Armoring   Urbanization   Wastewater Discharges   Water Diversion  

List of natural ecosystem stressors in the Columbia River system:

Extreme Climatic Events   Seismic Activity   Volcanic Activity  
Stressors Controlling Factors Ecosystem Complex Structure Ecosystem Complex Processes Ecosystem Functions Home Site Map References