| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| F&F.2015.22.VLA.BureauViridis: Ecologische begeleiding verbreding de Laak, afvissen van de te dempen watergangen en het te verbreden deel van de Laak | 1 | 1 | 1 |
| LosWrn.2016.RH: Rob Hemmelder: Losse waarnemingen 2016 | 1 | 1 | 1 |
| LosWrn.2018: Losse waarnemingen 2018 | 1 | 1 | 1 |
| oudewrn: oude waarnemingen | 1 | 1 | 2 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 3 | 3 | 3 |
| willem kuijsten | 1 | 1 | 2 |
| Number of sightings | 4 |
|---|---|
| Number of visits | 4 |
| Number of individuals * | 5 |