Preparing ARIS Sonar Equipment for Use in a Wetland

USGS and USFWS researchers prepare an Adaptive Resolution Imaging Sonar (ARIS; Sound Metrics Corp., WA, USA) to be deployed at a water control structure. The sonar records fish movement between the Shiawassee River and a restored wetland unit at the Shiawassee National Wildlife Refuge. Photo Credit: Alexandra (Sasha) Bozimowski, USGS