Journal Article invasive species biological invasion environmental change fragmentation freshwater restoration Europe Meta-Analysis Potamopyrgus antipodarum Research Support, Non-U.S. Gov't aquatic ecosystem aquatic habitat ecosystem functionality freshwater ecosystem freshwater ecosystems freshwater macroinvertebrates introduction pathways long-term time series long‐term trends management strategies non‐native species non‐native species  population spread population‐level dynamics rapid response/early detection risk assessments temporal dynamics temporal modelling