Journal Article Research Support, Non-U.S. Gov't Arno River Comment Europe Meta-Analysis Potamopyrgus antipodarum biological invasion ecosystem functionality fish freshwater ecosystems freshwater macroinvertebrates functional redundancy hydromorphology invasion invasive species long-term time series long‐term trends macroinvertebrates management strategies non‐native species non‐native species  population spread population‐level dynamics rapid response/early detection risk assessments temporal dynamics temporal modelling time series analysis traits