...Christian Ortmann; Manfred K. Grieshaber SUMMARY Since its invasion of Europe in the early 1980s, the Asian clam Corbicula fluminea has become very abundant in nearly all western river systems. Today this species is one of the most important biomass producers in the River Rhine. Monitoring...

... acid–base state, while Cl − /HCO 3 − exchange is of lesser importance. In the corbiculid Corbicula fluminea , Cl − and Na + transport are both significant components affecting acid–base state. Serotonin (5-hydroxytryptamine, 5-HT) stimulates Na + and Cl − transport in both species. In C. texasensis...