Location: 15.08N, 145.75E

Elevation: 178m (583 ft.)

Area 102 sq. km

Island type: raised coral

Tinian is approximately 10.5 miles long by 5 miles at its widest point and has a total area of 39.2 square miles and a coastline 38 miles in length. The highest point, Puntan Carolinas, is 583 feet above sea level. The principal community is San Jose. Tinian is primarily an agricultural community with a hotel casino opening in 1998. A large portion of Tinian has been leased to the U.S. military. Population 2,631, (1995). Tinian is one of 14 islands in the Northern Marianas archipelago that make up the United States Commonwealth of the Northern Mariana Islands. Tinian is 5 miles south of Saipan, 63 miles north of Rota and 115 miles north of Guam.

Natural threats: cyclones

Human impact:   pop. 714 (1973); formerly heavily cultivated by Japanese; some cultivation; large airstrip; proposed military development.

Ecosystems: limestone forest and scrub, mostly secondary growth; many introduced plants.

Special Features: Small Lake Hagoi in center; important archaeological sites; patch reef south of harbor proposed as marine sanctuary.

Endemism: 1 bird

Species of conservation interest:
        Gallinula chloropus guami (Marianas Gallinule or Common Moorhen) -  group endemic
            subspecies, Lake Hagoi and Marpo Swamp, Rare (RDB) -  only 1 observed locally (1974)
        Monarcha takatsukasae (Tinian Monarch) -  endemic
        Ptilinopus roseicapilla (Marianas Fruit Dove) -  group endemic, Guam, Rota, Tinian, Saipan,
            Vulnerable (RDB), rare on Tinian
        Anas oustaleti (Marianas Mallard)* -   group endemic,  Endangered (RDB), possibly present, Lake Hagoi.

Natural conservation status 0
Ecosystem richness 1
Species richness 1
Economic pressure 0
Human threat 1
Natural vulnerability 1
Practicality of conservation action 1
Reliability of data 1
Human Impact 1
Conservation Importance 14


Uracas  Maug   Ascuncion  Agrigan   Pagan  Alamagan   Guguan  Sarigan   Anatahan  Medinilla

Saipan  Tinian   Aguihan  Rota   Guam

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