| Commune | Code | Observation(s) | % des observations totales |
|---|---|---|---|
| Ambillou | 37002 | 1 | 5.9 |
| Avrillé-les-Ponceaux | 37013 | 2 | 11.8 |
| Bourgueil | 37031 | 1 | 5.9 |
| Braslou | 37034 | 2 | 11.8 |
| Channay-sur-Lathan | 37055 | 1 | 5.9 |
| Chinon | 37072 | 2 | 11.8 |
| Cléré-les-Pins | 37081 | 2 | 11.8 |
| Continvoir | 37082 | 3 | 17.6 |
| Gizeux | 37112 | 2 | 11.8 |
| La Celle-Saint-Avant | 37045 | 2 | 11.8 |
| Souvigné | 37251 | 1 | 5.9 |