Complex sentence: The refuge is administered by the Alligator River National Wildlife Refuge as a part of a refuge complex; he manager of the Alligator River refuge supervises the managers of the Mackay Island, Currituck, and Pocosin Lakes National Wildlife Refuges.
Split into simpler sentences: The refuge is administered by the Alligator River National Wildlife Refuge as a part of a refuge complex. The manager of the Alligator River refuge supervises the managers of the Mackay Island, Currituck, and Pocosin Lakes National Wildlife Refuges.