y =0.1579x- 0.2919
 r = 0.41
 p < 0.01


 6



 5



U 4






2


0
 1



 0


0 2 4 6 8 10 12 14 16 18 20


 (c)
0 Early Successional
* Late Successional
S00


 (b)

O Early Successional
* Late Successional


 0 *


 3






 -
* 2



00

c o
~1
0l


0 00000O


0 5 10 15 20


 12



0 10



 8


0 o0o o 0 0
 .)
 a6


* *0 00


 (d)


y = 0.3539x + 0.0735
 r2= 0.38
 p=0.01





 6 /


0* *


 0 0 w ..
5 10 15 20 0 4 6 8 10 1214161820
5 10 15 20 0 2 4 6 8 10 12 14 16 18 20


Age (years)


Age (years)


Figure 7.20.


Understory Trajectories in Constructed Forested Wetlands (a) Canopy
Tree Species Richness, (b) Subcanopy Tree Species Richness, (c) Shrub
Species Richness, and (d) Vine Species Richness Plotted Against Site
Age.


7-78


0 00 0


1-
02
1-




0-