Udawalawe National Park teak plantations vs native dry-zone scrub: ecological succession?

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How do colonial-era monoculture teak (Tectona grandis) plantations inside Udawalawe differ from native thorn scrub in supporting elephant foraging?

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Accepted Answer

Portions of Udawalawe National Park encompass mid-20th-century monoculture teak (Tectona grandis) plantations established before the park was gazetted in 1972. Unlike native multi-tiered dry-zone scrub forest (which features diverse browse species like Palu, Damba, and thorny acacia), mature teak plantations develop a closed canopy that blocks sunlight from reaching the forest floor, suppressing understory grass and shrub growth. Consequently, elephants and ungulates bypass dense teak stands, preferring open park grasslands and native thorn scrub where nutritious browse is abundant.

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D
Dr Bandara DWC1890 rep

DWC management selectively rings or thaws aging teak stands in specific management blocks to allow native dry-zone scrub species to regenerate naturally.

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Safari tracks passing through tall teak blocks offer dramatic tall-tree tunnel scenery during morning and afternoon game drives.

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Sarah Field Scout1720 rep

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