Biologist takes a water sample in an overgrown pond.


Biologist of the Research Group on Biodiversity at the University of Duisburg-Essen on an excursion in the nature reserve in the Lower Rhine at Grietherbusch.


Size: 5390px × 3593px
Location: Lower Rhine nearby Grietherbusch, North Rhine-Westphalia, Germany
Photo credit: © Olaf Doering / Alamy / Afripics
License: Licensed
Model Released: Yes

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