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EXHIBIT 1 



FACTORS THAT IMPACT ABUNDANCE OF 

 WASHINGTON'S SALMON AND TROUT 



ENVIRONMENTAL 



Water Use 



Hydropower (Dams) 



Irrigation 



Flood Control 



Navigation 



Municipal and Industrial 



Land Use (Rood Building) 

 Agriculture 

 Forestry 



Urban-Industrial 

 Mining 



Biological (Natural and Human-Influenced) 

 Predation 

 Competition 

 Food Supply 

 Disease 



Natural Phenomena 

 Climate 



Ocean Currents 

 Floods 

 Earthquakes 

 Volcanic Eruptions 

 Landslides 



MANAGEMENT 



Spawning Escapement Goals 

 Harvest Levels 

 Hatchery Practices 

 Treaties and Laws 



REGIONAL IMPACTS 



Environmental Factor Columbia River Puget sound Coastal 



Water-Use Practices Primary Secondary Secondary 



Land-Use Practices Secondary Primary Primary 



