Abstract
The impact of invasive species on ecosystems can cause habitat alteration or even habitat loss. This could ultimately lead to fundamental effects on ecosystem functioning. This project is focused on the case of the Chinese mitten crab (CMC). This is a new species and the only freshwater crab species in Flanders. Being the largest representative of the macroinvertebrates, it probably takes a prominent role in the processing of organic matter. This could have a profound effect on nutrient cycling and water quality in general. Through bioturbation, burrowing behaviour and their destructive impact on macrophytes, the CMC potentially impacts also the stability of river ecosystems, which may lead to enhanced erodibility. By investigating these different effects, this project will give fundamental insight in the impact of freshwater crab species on aquatic habitats along the river continuum.
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