Biology Reference
In-Depth Information
Table 7.1.
(
continued)
System
Interval
Middle Eocene-
early Miocene
Middle Miocene-
Pliocene
Cretaceous
Paleocene-early Eocene
M
EV
EM
CF
EM (montane)
EM (boreal)
F
EV
EM
B
?
EV
EM
S
EV
EM
G
EV
EM
D
E
EM
AT
EM
T
EM
Note: D
=
desert; S
=
shrubland-chaparral/woodland-savanna; G
=
grassland; M
=
mangrove; B
=
beach/strand/dune; F
=
freshwater herbaceous bog/marsh/swamp;
A
=
aquatic; LR
=
lowland neotropical rain forest; LM
=
lower to upper montane broad-leaved forest; CF
=
coniferous forest; AP
=
alpine tundra (páramo); T
=
tundra;
e
=
extinct group; bold
=
estimated time range when the ecosystem fi rst appears in recognizable form.
