1. Moisture Availability and Its Impact on Vegetation Treelines and Forest Types

2. Aspect O The direction a slope faces. O North aspects are in the shadows all winter and thus stay colder than south aspects.

3. Winter Solstice

4. Spring Equinox

5. Summer Solstice

6. An Autumn Day

7. The Effects of Aspect

8. North Versus South Aspect Forest growing on south-slopeBare on the north-slope

9. Another View of North Versus South North-facingSouth-facing

10. Dry Meadows and Wet Meadows

11. The Effect of Aspect on Treeline Snowbank Treeline Dry Meadows Wet Meadows 5500 feet 4500 feet Tree Island Pacific Northwest SouthNorth Sea Level

12. Aspect: The Difference Between Forest and Grassland FREEING THE ELWHA

13. This project was made possible in part by a grant from Washington’s National Park Fund.