Forestry Unit Test - Monday/ Tuesday (December 5 and 6)
1. Forests and Mountain Ranges of Oregon
- Name and place the 5 mountain ranges
- Describe the types of trees in each (may be more than one for each mountain range)
- Why? limiting factors, influence of climate and elevation
- connect to dendrochronology
- connection to fire
2. Succession and Fire
- Fire triangle - what 3 elements are needed for fire
- climate and weather pattern (fire season)
- Fire history using dendrochronology and written records
- Fire dependent species in Oregon and how does that shape fire policy
- describe the 4 stages
- Describe the 2 types
3. Measuring Trees
A. Tree Ring Studies - dendrochronology (website)
- what is a tree ring?
- What do narrow and wide rings indicate (limiting factors)
- Define cross-dating
- primary uses for creating a chronology using tree rings
B. Size of trees
- Calculate Height
- Calculate Basal Area
- Calculate volume
- Describe methods for collecting this data including the materials
- What can you learn about a forest and its health from this information?
4. Nutrient Cycling and Niches
- Carbon cycle
- Describe the processes involved (photosynthesis in detail)
- Types of organisms involved in transferring carbon through the food chain (niche)
- What does the carbon cycle accomplish?
- Nitrogen cycle
- Describe the role of nitrogen in living things
- How does it get from the atmosphere to the food web?
- Once in living things, how can it be returned to the soil?
- What organisms fix nitrogen (taking it out of the atmosphere) in Oregon forests
- Major impacts on water