Steve Delehanty/Courtesy USFWS

This year marks the 100th anniversary of the Alaska Maritime National Wildlife Refuge, which includes Unalaska and other Aleutian islands. The refuge is one of 500 in the country, created to preserve unique eocsystems and wildlife.

As the federal sequester looms, the Interior Department is anticipating big cuts for all refuges -- and even some closures. In this segment, refuge manager Steve Delehanty shares his plans for the Alaska Maritime National Wildlife Refuge.