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Environmental Sciences Europe
Fig. 1 | Environmental Sciences Europe

Fig. 1

From: Detection of chemically induced ecotoxicological effects in rivers of the Nidda catchment (Hessen, Germany) and development of an ecotoxicological, Water Framework Directive–compliant assessment system

Fig. 1

Setup of the active biomonitoring campaigns with Potamopyrgus antipodarum and Gammarus fossarum. a Composition of enclosure for gammarids, b stainless steel enclosure for the exposure of G. fossarum, c stainless steel tea–egg for the exposure of P. antipodarum, d cage for the attachment onto the river bed, e exposed cages [Photo: Moritz Blumer]

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