Kachemak Bay National Estuarine Research Reserve

Baby salmon often swim through small streams, like those found in peatlands on the southern Kenai Peninsula. That's why one Alaska-based environmental organization is restoring the landscape by constructing man-made beaver dams.

From space, the Kenai Peninsula looks like it has a lot of water. After all, it’s surrounded by water on three sides, and pockmarked with lakes and two…