GCI is partnering with a Matanuska Valley surveying company to chart the subsea floor along an 860-mile route from Kodiak to the Aleutians.
"Aleutian archipelago"
Without otter predation, sea urchins decimate Aleutian reefs
In some places surrounding the central and western Aleutian Islands, reefs are crumbling from urchins burrowing through the weakened calcium carbonate structures.