Drainage ditches, biodiversity hotspots for aquatic invertebrates : defining and assessing the ecological status of a man-made ecosystem based on macroinvertebrates / Ralf Carsten Marijn Verdonschot

Drainage ditches, biodiversity hotspots for aquatic invertebrates : defining and assessing the ecological status of a man-made ecosystem based on macroinvertebrates / Ralf Carsten Marijn Verdonschot