Assessment Of Future Change Stan Gregory Department of Fisheries & Wildlife Oregon State University
Coastal Coho Salmon
1850
1995
2050 Scenario
2050 Conservation Scenario
1850
Models of stream ecosystem structure and function
Willamette River Basin 2nd to 4th order streams (6500 km)
Cutthroat Trout
EPT Richness
Fish Richness – Species/km Tributary Junction19.7 Tributary Junction19.7 Multiple Channel19.2 Multiple Channel19.2 Single Channel16.8 Single Channel16.8
Fish Abundance – # Captured Tributary Junction624 Tributary Junction624 Multiple Channel594 Multiple Channel594 Single Channel390 Single Channel390
M McKenzie Jct Willamette River Basin Planning Atlas, p. 63
Fish 50 Year Pattern Of Change
Develop. 50 Year Pattern Of Change
ERC Conservation
MAX Conservation
ERC Development
MAX Development
Median Land Value
Fish 10 Years
Fish 20 Years
Fish 30 Years
Fish 40 Years
Fish 50 Years
Development 10 Years
Development 20 Years
Development 30 Years
Development 40 Years
Development 50 Years
What did we forget? What don’t we know?
Willamette River Basin Planning Atlas