8
Azzoni et al. (2005). Hydrobiology, 550:131–148
Otte y Jacob (2006). Springer, 9A: 57-67.
Gomez et al. (1999) Water Research, 33: 2437–2447
PO
4
(
µ
M)
0
2
4
6
8
10
12
0
2
4
6
8
10
12
Days
0 10 20 30 40 50 60
SO
4
2-
(mM)
0
2
4
6
8
10
12
Days
0 10 20 30 40 50 60
0
2
4
6
8
10
12
Σ
[HS
-
] (mM)
0
1
2
3
4
0
1
2
3
4
Fe (
µ
M)
0.0
0.1
0.2
0.3
0.0
0.1
0.2
0.3
C1
C2
C3
C4
Water colum
0 10 20 30 40 50 60
pE pH
-4
-2
0
6
8
10
Porewater
0 10 20 30 40 50 60
-4
-2
0
6
8
10
d)
f)
c)
e)
j)
i)
h)
g)
b)
a)
stage 1 stage 2
stage 3 stage 4 stage 5
stage 1 stage 2
stage 3 stage 4 stage 5
stage 1 stage 2
stage 3 stage 4 stage 5
stage 1 stage 2
stage 3 stage 4 stage 5
Figure 1. Redox potential, pH, iron, phosphates, sulfates, and sulfides determined in the water
column (1.5cm above the sediment-water interface) and porewater (2.5cm below the sediment-water
interface) of experimental columns constructed with natural sediments and water from the wetland
Ciénega de Tamasopo.
