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Wallace's line

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
Wal·lace's line  (wl-sz)
n.
A hypothetical line demarcating the distribution of Asian and Australian fauna, passing between the islands of Bali and Lombok to the south and Borneo and Sulawesi to the north, used especially in biogeographic studies of evolution.

[After Alfred Russel Wallace.]

Wallace's line
n
(Life Sciences & Allied Applications / Biology) the hypothetical boundary between the Oriental and Australasian zoogeographical regions, which runs between the Indonesian islands of Bali and Lombok, through the Macassar Strait, and SE of the Philippines
[named after Alfred Russel Wallace (1823-1913), British naturalist]


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His realization of the impossibility to understand geographical distribution of animals without taking into consideration all the possible changes which may have taken place in the distribution of land and masses and water converged in the formulation of Wallace's Line, a definite boundary in the Malay Archipelago.
From Wallace's Line to the Front Lines of the Explosive Struggle for the World's Richest Underwater Treasures Nusa Dua, Bali, Indonesia Here on the eastern shore of Bali, as I look past the thin, white line of surf breaking over an offshore reef to the sparkling seas of the Lombok Strait, I'm not just looking toward another Indonesian island, I'm also looking past an invisible line to the edge of another world.
 
 
 
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