The diagram below shows some relationships between ecosystems near the
sonoran and chihuahuan deserts what happens as elevation increases?
9000 feet
8000 feel
feet
temperate
forest
6000 feet
madrean
woodland
(sporadically
interior chaparral)
semidesert grassland
feet
-
--4000 feet
thomscrub
--
--3000 feet
- 2000 feet
desert
1000 feet
o
a. more cacti grow
o
b. rainfall decreases
c. plants get taller,
o
o
d. sunlight increases