A coastal scientist’s perspective on dam removal

Figure 4: While deposition on the sea-floor wasn’t widespread, small areas near the river mouth were transformed. These are photos of the same location on the sea-floor from before (Summer 2011) and after (Summer 2017) dam removal. A surveyor’s tape laid down by scuba divers runs through both photos. While the image in the lower panel looks lifeless relative to the earlier 2011 photo, these sandy patches were quickly utilized by new species.

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