RUISSEAU DE LA GUICHARDIERE A MAULEVRIER, paramètre Ammonium mg(NH4)/L

19/02/15
0.01
16/03/15
0.01
15/04/15
0.05
02/06/15
0.15
13/10/15
0.08
13/11/15
0.16
08/12/15
0.7
02/03/16
0.67
19/04/16
0.07
22/06/16
0.07
11/10/16
1.8
15/11/16
4.4
13/12/16
5.9
08/03/17
2
11/04/17
0.07
20/06/17
2.2
17/10/17
2.1
14/11/17
1.5
05/12/17
5.6
06/03/19
0.05
08/04/19
0.05
18/06/19
9.3
07/10/19
0.05
04/11/19
0.22
03/12/19
0.64