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What are Shola–Grassland Ecosystems?

What are Shola–Grassland Ecosystems?

About

  • Location: High-altitude southern Western Ghats, mainly 1,200–2,200 m in the Nilgiri, Anamalai and Palani hills.
  • Significance: Rich in endemism and biodiversity and crucial for water regulation and catchment functions.

Key Ecological Features

  • Vegetation: Short, dense evergreen Shola forests occur in sheltered valleys, while montane grasslands dominate exposed slopes and ridges.
  • Climate: Cool, high-rainfall climate, frequent cloud cover and occasional frost.
  • Soils: Soils are often acidic and rich in organic matter.
  • Hydrological Role: Sholas act as natural water reservoirs, absorbing monsoon rainfall and releasing it gradually into rivers such as the Cauvery and Periyar.
  • Biodiversity: Rich in endemics and specialized fauna, including Nilgiri Tahr, Nilgiri Pipit and Lion-tailed Macaque.
  • Floral Significance: Contains unique/relict species, including Rhododendron, reflecting past climatic changes.

Conclusion

  • Shola–grassland ecosystems are unique high-altitude habitats of the southern Western Ghats, combining evergreen forest patches and montane grasslands and playing an important role in biodiversity conservation and watershed regulation.
This concept has been elaborately discussed in the following article –

The Twelve Year Bloom of Neelakurinji