Alder Fly - Sialis lutaria

Projects

Project Visits Observations Individuals *
LosWrn.2022: Losse waarnemingen 2022 2 2 2
LosWrn.2024: Losse waarnemingen 2024 1 1 1
NLMvA33.RAN.VER.2014.KNNV: Natuuronderzoek Heiligenbergerbeek (Werkgroep Wilde planten KNNV Amersfoort en omgeving) 1 1 1

Employees

Employee Visits Observations Individuals *
Erik van Beers 4 4 4
 

Total numbers

Number of sightings 4
Number of visits 4
Number of individuals * 4
* The number of individuals does only account for the observations with a numeric countmethod