Les données de la température et les sels nutritifs
68
Température
Conductivité(S/cm)
Oxygène dissous
(mg/l)
Taux de saturation en
oxygène
stations
surface
fond
surface
fond
surface
fond
surface
fond
A
10.6
11.5
585
555
3.1
1.9
86.2
92.3
B
10.5
12.3
742
545
2.9
1.5
88.5
89.5
C
10.9
11.8
756
670
2.5
1.8
89.4
94.6
D
11.2
11.9
856
652
2.8
1.2
78.5
97.5
E
10.3
12.1
785
805
3.2
1.9
84.2
94.2
PH
Nitrate (mg/l)
Nitrite (mg/l)
Ammonium (mg/l)
surface
fond
surface
fond
surface
fond
surface
fond
8.26
8.32
7
0.5
0.01
0.02
0.01
0.05
8.21
8.31
11
0.8
0.01
0.03
0.01
0.06
8.23
8.14
8
0.9
0.02
0.02
0
0.02
8.24
8.13
2
0.7
0.5
0
0.02
0.02
8.26
8.27
4
0.8
0.3
0
0.2
0
Phosphates (mg/l)
Silicate (mg/l)
surface
fond
surface
fond
0.1
0.2
156.83
136.54
0.3
0.2
148.57
135.87
0.5
0.3
148.23
134.92
0.4
0.2
158.25
137.54
0.2
0.1
124.58
124.57