1. Ecoregions of the Pacific Northwest Identified through the analysis and patterns of composition of biotic and abiotic factors of an area.

2. Sketch this map of the PNW:

3. Add these lines to your drawing:

4. 1 #1 Coast Range Highest Peak, 4000 feet Mary’s Peak Average Height 1,500 feet Highly productive coniferous forest Sitka Spruce (historically dominated), Coastal Redwood Most common trees are the big three: Western Redcedar, Western Hemlock, Douglas-Fir (planted)

5. #1 Coast Range

6. 2 #2 Puget Lowlands Seattle - Puget Sound Estuary Formed from a glacial trough Glaciation occurred as recently as 15,000 years ago Ice sheet up to 3,000 feet thick near Seattle

7. #2 Puget Lowlands

8. 3 #3 Willamette Valley Rolling prairies Mixed forests: coniferous and broadleaves Oregon White Oak Great topsoil as a result of historic ice-age floods Temperate Highly productive soils, Fluvial Terraces, Floodplains

9. #3 Willamette Valley

10. 4 #4 Cascades Volcanic Average height: 5,000 feet Highest Peak: Mt. Rainier 14,411 feet Rivers flow west Coniferous Steep ridges due to glaciers

11. #4 Cascades

12. 5 #5 Eastern Cascades Slope Rainshadow (leeward) Open Forest Ponderosa, Lodgepole, Aspen

13. #5 Eastern Cascade Slope

14. 6 #6 Columbia Plateau Wheat land Arid Grassland Result of volcanism

15. #6 Columbia Plateau

16. 7 #7 Blue Mountains Wallowa Mountains Not as high as the Rockies of Cascades Average height: 4,000 feet Volcanic in origin Cattle grazing Sagebrush, Pine, Aspen

17. #7 Blue Mountains

18. 8 #8 North Basin and Range Steens Mountains –Uplift Cattle and sheep grazing Arid Sagebrush

19. #8 North Basin and Range

20. 9 #9 Snake River Plain Agricultural Land River used for irrigation Sagebrush in areas not irrigated

21. #9 Snake River Plain

22. 10 #10 Rocky Mountains 14,400 highest peak Average height: 7,000 Uplift Span from Canada to Mexico

23. #10 Rocky Mountains

24. 11 #11 Klamath Mountains Uplift Siskiyou Mountains Runs into California

25. #11 Klamath Mountains