kimerajamm
Joined: 28 Nov 2010
Posts: 785
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 Posted: Mon Apr 25, 2011 12:11 pm Post subject: Even the greater bamboo |
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ranges have contracted for numerous species, including the indri, greater bamboo lemur, and ruffed lemurs.[4] For instance, subfossil remains of the indri have been found in marsh deposits near Ampasambazimba in the Central Highlands[20] and in other deposits in both central and northern Madagascar, demonstrating a much larger range than the small region on the east coast that it currently occupies.[4] Even the greater bamboo lemur, a critically endangered species restricted to a small portion of the south-central eastern rainforest, has undergone significant range contraction since the mid-Holocene,[4][21] with subfossil remains from Ankarana Massif in the far north of Madagascar dating to 2565 BCE ± 70 years.[22] Combined with finds from other subfossil sites, data suggests that it used to range across the northern, northwestern, central, and eastern parts of the island.[4][21] It is unclear whether these locations were wetter in the past or whether distinct subpopulations or subspecies occupied the drier forests, much like modern diversity of sifakas.[4][20]
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