Lecture 13 Flashcards
1
Q
what are 2 approaches to restoration?
A
- structure first, the process
2. process fist, then structure
2
Q
Range health assessment:
A
- requires only moderate training
- quick assessment of species (only top cover species)
- community health
- successional stage
3
Q
detailed vegetation surveys:
A
- requires more training
- slower
- thorough plant community and cover data
- community health
- successional stage
4
Q
what are 4 quetions one asks during a range health survey?
A
- what kind of plants are on the site? whats the plant community?
- are the expected plant layers present?
- does the site retain moisture?
- accelerated soil erosi0on?
5
Q
how do you seign a seed mix?
A
- desired versus available
2. for each species determine successional stage and how they will respond to management
6
Q
where do you get your seeds?
A
talking to local people, wild harvesting and commercially available seed
7
Q
what are 3 ways to prepare your site?
A
- mechanical- contouring or tillage
- chemical -herbicides
- natural- burning, grazing etc.
8
Q
methods to weed control for pre-restoration:
A
- control crop
- targeted herbicide application
- tillage/herbicide
- chemfallow
9
Q
what is interseeding?
A
seeds are broadcast over existing remnant prairie or planted prairie, usually after burning or sometimes after herbicide application