Fig. 1From: To hear or not to hear: selective tidal stream transport can interfere with the detectability of migrating silver eels in a Tidal RiverStudy area including the telemetry network along the Ems River, with detailed maps of the range-tested receiver locations, A Lower Estuary, B Fluvial Estuary. Catch and Release locations, environmental measuring stations and receiver arrays (4–7) are also marked. Arrays 1–3 and Release location 1 are located upstream in the inland area outside of the focussed study areaBack to article page