RUISSEAU DE LONGUENAIS A LES HERBIERS, paramètre Phosphore total
mg/L
25/07/16
0.75
23/08/16
1.5
27/09/16
2.4
24/10/16
3.8
25/11/16
0.78
20/12/16
1.4
14/01/20
0.74
11/02/20
0.17
10/03/20
0.19
25/05/20
0.62
22/06/20
0.48
15/07/20
0.9
24/08/20
0.97
12/10/20
1.1
10/11/20
0.39
15/12/20
0.43