GamTox: A Low-Cost Multimetric Ecotoxicity Test with Gammarus spp. for In and Ex Situ Application
Figure 2
Experimental setup in situ (Photo: A. Gerhardt). View from top: four test chambers ( cm) are placed on the sediment of the stream in flow direction, attached with ropes to steel poles in the sediment and on the banks. Each chamber contains 10 gammarids and 2 elder leaves. The test chambers can be connected to the MFB.
