PETIT FOUGERAIS A BOURNEAU, paramètre Oxygène dissous
mg(O2)/L
16/01/23
11.1
07/02/23
12.2
13/03/23
10.2
17/04/23
9.8
15/05/23
9.9
12/06/23
8.5
12/07/23
8.3
21/08/23
6.9
11/09/23
6.1