Dennis M. Higgs

Feature

The environmental stressor you never hear about

Anthropogenic noise from shipping and boating is an emerging stressor in the Great Lakes, masking fish communication and causing physiological stress, yet remains largely unregulated.

Research Brief

Thunderstruck: Using passive acoustics to eavesdrop on sturgeon spawning vocalizations

Underwater microphones detected low-frequency "thunder" sounds from spawning lake sturgeon in the Detroit River, revealing their spawning timing and sensitivity to ship noise.