Unit 4: Forests

Question 1

Forest

Answer 1

Land dominated by trees and other woody vegetation.

Question 2

Clearcutting

Answer 2

Removing all or almost all of the trees within an area.

Question 3

Clearcutting pros

Answer 3

Can increase habitat diversity and therefore species diversity, easiest, most economical.

Question 4

Clearcutting cons

Answer 4

Erosion, rises water temperatures, reduced soil quality.

Question 5

Selective cutting pros

Answer 5

Less extensive environmental impact than clear cutting.

Question 6

Selective cutting cons

Answer 6

Fragmented habitats, decreased soil quality, more costly, more timely.

Question 7

Ecologically sustainable forestry pros

Answer 7

Hardly affects other species of trees, plants, or animals.

Question 8

Ecologically sustainable forestry cons

Answer 8

Expensive, difficulty competing with other companies.

Question 9

Reforestation

Answer 9

Replanting an area with trees.

Question 10

Why are prescribed burns important?

Answer 10

They help reduce the risk of natural, uncontrolled fires.

Question 11

Ecological services provided by forests

Answer 11

Produce oxygen, purify water and air, reduce soil erosion, provide habitats for organisms.