<p>Not all reefs in the ocean are naturally occurring. Artificial reefs are human-made structures that come in a variety of shapes and sizes. In this episode, we learn about what they are, the benefits they provide, and how the first study was conducted to calculate how much of the seafloor is covered by these reefs.</p> <p> <a href=“https://oceanservice.noaa.gov/podcast/june24/nop75-artificial-reefs.html>Episode permanent link, transcript, and show notes</a></p>