LE CANAL DU MARAIS (GREE) A ANCENIS, paramètre Orthophosphates (PO4) mg(PO4)/L

21/02/13
0.47
15/04/13
0.21
13/06/13
0.43
19/08/13
0.65
22/10/13
0.33
11/12/13
0.1
27/02/14
0.34
09/04/14
0.14
30/06/14
0.18
31/07/14
0.64
28/10/14
0.38
09/12/14
0.1
11/02/15
0.28
29/04/15
0.25
22/06/15
0.29
20/08/15
0.14
29/10/15
0.3
08/12/15
0.26
03/03/16
0.25
25/04/16
0.09
02/06/16
0.23
29/07/16
0.31
24/08/16
0.27
30/09/16
0.14
18/10/16
0.19
21/11/16
1.4
20/12/16
0.19
14/02/17
0.02
27/04/17
0.28
12/06/17
0.7
25/08/17
1.92
25/10/17
0.15
12/12/17
0.27
27/02/18
0.2
23/04/18
0.11
14/06/18
0.28
05/12/18
0.24
27/02/19
0.015
29/04/19
0.339
28/10/19
0.286
06/02/20
0.37
09/04/20
0.13
26/06/20
0.14
12/10/20
0.11
18/12/20
0.28
18/02/21
0.443
26/04/21
0.237
18/06/21
0.076
27/08/21
0.306
22/10/21
0.119
22/12/21
0.261
07/02/22
0.11
15/04/22
0.032
22/06/22
0.14
19/12/22
0.2
22/02/23
0.02
14/04/23
0.033
15/06/23
0.13