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Madagascar ericoid thickets : ウィキペディア英語版 | Madagascar ericoid thickets
The Madagascar ericoid thickets is a montane shrubland ecoregion, found in the high mountains of Madagascars four major mountains. The ecoregion covers the area above 1800 m elevation on (from north to south) Tsaratanana (2,876 m) (where the thickets are higher, above 2,500m), Marojejy (2,133 m), Ankaratra (2,643 m), and Andringitra Massif (2,658 m). The ericoid thickets are surrounded at lower elevations by the Madagascar subhumid forests ecoregion. The total area of the ecoregion is . On Tsaratanana the thickets are higher, starting above 2,500m. There are smaller areas of thicket in Anjanaharibe-Sud Reserve in the north and Andohahela National Park to the south. ==Flora== Below these thickets the habitat is Madagascar subhumid forests. The ericoid thickets themselves are characterised by shrubs of the flowering plant families Ericaceae and Asteraceae. The thickets include a large number of endemic plants, many of whose closest relatives live in South Africa and the highlands of East Africa. Andringitra alone is home to 150 vascular endemics, including 25 species of orchid.
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