Wetar - Geography

Geography

Wetar is 130 km wide east-to-west, and 45 km north-to-south. It has an area of 3600 kmĀ². It is surrounded by coral reefs and deep seas. The highest point on the island is 1412 m.

Wetar is part of a volcanic island arc which includes the other Barat Daya Islands and the Banda Islands, created by the collision of the Indo-Australian Plate and the Eurasian Plate. It is not, however, principally of volcanic origin, being instead mainly oceanic crust that has been lifted by the plate collision. The stratovolcano Gunungapi Wetar forms an isolated island to the north of Wetar.

There are a number of gold mines on Wetar, which have been poorly managed and constitute an environmental concern.

Along with other nearby islands, it formed part of Wallacea, the area of deep water separated from both the Asian and Australian continental shelves. This region is known for its unusual fauna, and Wetar is no exception. It has 162 species of birds, three of which are endemic, and four of which are endangered. Rainfall is highly seasonal based on the monsoon, and the islands are mostly covered in tropical dry broadleaf forests that are partly deciduous, with many trees losing their leaves in the dry season. It forms part of the Timor and Wetar deciduous forests ecoregion.

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