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Land Use > Forestry > Flashcards

Flashcards in Forestry Deck (16)
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1
Q

Tree plantation

A

large managed farms with a monoculture of uniformity aged trees

2
Q

Old-growth forests

A

22% of worlds forests
Rich biodiversity
Little Human effects

3
Q

Secondary growth forests

A

63% of forests world wide

Have been impacted but are in recovery

4
Q

Why are forest fires increasing

A

long summers, drier winters

5
Q

Crown Fire

A

extremely hot fire

burn whole trees in areas that have not recently burned

6
Q

Ground Fire

A

occur in the underground only

partially decayed leaves

7
Q

Surface fires

A

burns along the surface killing undergrowth and small trees

8
Q

Even-age management

A

tree plantations

9
Q

Selective cutting

A

specific trees in an area are chosen and cut

10
Q

High grading

A

cutting and removing largest/ best trees

11
Q

Shelterwood Cutting

A

removes all mature trees in an area for a limited time

12
Q

Seed tree cutting

A

majority of trees removed, but scattered seed-producing trees are left to regenerate

13
Q

Clear cutting

A

all trees cut

14
Q

Strip Cutting

A

clear -cutting a strip that follows the contour of the land

15
Q

Rainforest now cover how much of the world

A

less than half of what it used to 6%

16
Q

The Forest Service…

A

manages public lands in US