The potential invasiveness of alien macroinvertebrate species in the Italian/Swiss hydrographic system Lake Maggiore (NW Italy) was assessed through Aquatic Species Invasiveness Screening Kit, a risk assessment tool developed for quantifying impacts on commercial, environmental, and traits sectors. Data were collected using databases provided by two regional environmental agencies northern Ital...

Introduced dreissenid mussels (Dreissena polyrnorphda and Dreissena bugensis) foul native unionid bivalves by attaching to their shells in large clusters and may critically impair many North American unionids that are already threatened by habitat degradation. Using literature and new field data, we examined patterns of Dreissena infestation on unionids, and the relationships between Dreissena ...