10%
 8%
 6%
 4%
 2%
 0%
 -2%
 -4%
 -6%
 -8%
-10%
-12%
-14%
-16%
-18%
-20%


Sand Tailings Organic

 Hummock Type


Overburden


o Major 4/23 M Major 5/19 E Major 8/5 I Major 10/13 E Major Sum 2000

 (b)


m 5%
.2




0 -5%
_c


c -10%
.,



u
S-15%

0)
 -20%


Sand Tailings Organic Overburden

 Hummock Type

O Minor 4/23 M Minor 5/19 B Minor 8/5 B Minor 10/13 0 Minor Sum 2000


Figure 5.6. Changes in Cross-Sectional Areas for (a) Major and (b) Minor Transects
 in the Agrifos Wetland. Standard Error Bars Are Calculated Using the
 Excel 97 Chart Wizard.


5-16