Term
| name the climate type of Pacific Northwest forests: |
|
Definition
|
|
Term
| name the characteristics of the temperate rainforest climate type: |
|
Definition
| moderate rainfall with moderate temperatures-no extreme precipitation or temperatures |
|
|
Term
| describe the understory of Pacific Northwest forests: |
|
Definition
| The understory is rich with mosses, fungi, and epiphytic lichens because of moist conditions and low light levels. |
|
|
Term
| name the two geographic regions of the Pacific Northwest forests: |
|
Definition
-pacific coast forests
-northern Californian forests |
|
|
Term
| name the dominant tree species of the pacific coast forest geographical region: |
|
Definition
| western red cedar, western hemlock, coastal Douglas-fir, and some Sitka spruce |
|
|
Term
| name the main species found along riparain areas of Pacific coast forests: |
|
Definition
| red alder and black cottonwood |
|
|
Term
| name the tree species that defines the Northern Californian forest geographic region: |
|
Definition
|
|
Term
| Why is Sitka spruce found near the coast in the ocean-coastal forest interface? |
|
Definition
| Sitka spruce can tolerate salt spray, which is why it can form nearly pure stands near the ocean. |
|
|
Term
| Where are tanoak/Douglas fir forest communities found? |
|
Definition
| They are found in drier slopes within the Pacific Northwest forests. |
|
|
Term
| Why are nurse logs important? |
|
Definition
| Nurse logs provide a germination substrate with water and nutrients, and they raise seedlings above the competitive understory. |
|
|
Term
| What types of disturbance regimes are found in Pacific Northwest forests? |
|
Definition
| small-scale winter storms and small-scale fires |
|
|
Term
| define stand-initiating fires: |
|
Definition
| Stand-initiating fires are high-intensity fires that almost all of the vegetation in a stand and create a single-aged stand created from scratch after the fire. |
|
|
Term
| define stand-maintaining fires: |
|
Definition
| Stand-maintaining fires are low-intensity fires that take out debris, dead plants, weak plants, and small plants, leaving larger healthy plants intact. They thin out the undestory, releasing competition and creating a mosaic of age classes. |
|
|
