Friday, February 24, 2012


Because of lowered sea levels, many of today's islands were joined to the continents: The Indonesian islands as far east as Borneo and Bali were connected to the Asian continent in a landmass called SundalandPalawan was also part of Sundaland, while the rest of the Philippine Islands formed one large island separated from the continent only by the Sibutu Passage and the Mindoro Strait
Sundaland is a biogeographical region of Southeastern Asia which encompasses the Sunda shelf; the part of the Asian continental shelf that was exposed during the last ice age. It included theMalay Peninsula on the Asian mainland, as well as the large islands of BorneoJava, and Sumatraand their surrounding islands. The eastern boundary of Sundaland is the Wallace Line, identified byAlfred Russel Wallace, which marks the eastern boundary of the Asia's land mammal fauna, and is the boundary of the Indomalaya and Australasia ecozones. The islands east of the Wallace line are known as Wallacea, and are considered part of Australasia.

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