natural characteristics of forests Flashcards
1
Q
definition of forests
A
biome dominated by trees, where the foliage of the trees forms a canopy.
-“land spanning more than .5 Ha with trees higher than 5m and a canopy cover of morE than 10%” (F.A.O)
2
Q
classifications - climate
A
tropical
subtropical
temperature
boreal
3
Q
classifications - structure
A
closed
open
woodland
4
Q
primary forests 34%
A
intact
old growth
undisturbed by humans
5
Q
secondary, regrowth 54%
A
recently disturbed by human activity
or re-planted/seeded
managed by humans
6
Q
monoculture, plantations 7%
A
planted for commercial production
for environmental control (erosion)
pine plantations
7
Q
how many forests have been cleared?
A
1.9 million