After a 25-acre Lake Erie wetland was reconnected, sonar recorded 3.44 million fish detections over 2,022 monitoring hours across four years, showing the restored habitat was used continuously

• The scientific assessment, published in the journal Aquatic Ecosystem Health & Management, tracked aquatic movement across 2,022 hours of high-resolution sonar monitoring between 2011 and 2014.
• During the study, imaging equipment recorded 3,436,118 individu