Threats to Forest Health

Question 1

Emerald Ash Borer:

Native range
Invaded range
Host range

Answer 1

Question 2

What parts of woody plants are exploited by herbivores?

8

Answer 2

Question 3

What roles to tree roots play?

4

Answer 3

Question 4

What roles does the tree stem/bole/trunk play?

3

Answer 4

Question 5

What roles do tree branches/twigs play?

2

Answer 5

Question 6

What roles to tree buds play?

3

Answer 6

Question 7

What role do leaves play?

Answer 7

Question 8

Describe photosyntheses (chemical equation)

Answer 8

Question 9

Describe the stucture of a plant seed and its role

Answer 9

Question 10

Compare/contrast deciduous and coniferous trees

abscission
leaf form
seeds
carbon storage

Answer 10

Question 11

What are herbivor feeding guilds?
Name 8 examples

Answer 11

Question 12

What herbivore guild is most critically important to forest regeneration?

Answer 12

Question 13

What herbivore guild is most critically important to plantation production?

Answer 13

Question 14

What forest productivity factors do defoliators affect?

3

Answer 14

frass adds N to soil, loss of leaf area allows more light to ground/understory

Question 15

What are phloem feeders?
What group of insects are the most prominent phloem feeders?
What effects do they have on the forest?

Answer 15

Question 16

What are xylophages and what critical role do the play?
Do they only feed on one thing?

Answer 16

Question 17

What do root feeders eat and what important affects do they have?

Answer 17

Question 18

What is a niche? What dimensions are involved in a niche?

Answer 18