On April 1 each year, staff from the Edwin B. Forsythe National Wildlife Refuge erect seasonal closure signs on the south end of Long Beach Island to let the public know the 400-acre Holgate Unit of the refuge is off limits to beachgoers and boaters until Sept. 1.

The Holgate section is closed every spring ahead of the arrival of beach-nesting shorebirds such as piping plovers, least terns, black skimmers and American oystercatchers, “which utilize the federally designated Wilderness Area from…