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About Senna Spectabilis

Context:

The Forest Department of Tamil Nadu has cleared 356.50 hectares of invasive growth of Senna spectabilis that posed a threat to biodiversity conservation in Sathyamangalam Tiger Reserve (STR).

Relevance:

Facts for Prelims

Dimensions of the Article:

  1. About Senna Spectabilis
  2. Sathyamangalam Tiger Reserve

About Senna Spectabilis:

  • Senna spectabilis is a plant species of the legume family (Fabaceae) native to South and Central America.
  • The plant has become an invasive alien species in parts of Africa, India and other countries.
  • The thick foliage of the tree arrests the growth of other indigenous tree and grass species.Hence,it causes food shortage for the wildlife population especially herbivores.
  • It also adversely affects the germination and growth of the native species.
  • It is categorised as ‘Least Concern’ under IUCN Red List.

Sathyamangalam Tiger Reserve

Geographical Location:

  • Positioned at the confluence of the Eastern and Western Ghats, it resides within the Nilgiri Biosphere Reserve, situated in the Erode District of Tamil Nadu.

Contiguity and Connectivity:

  • Adjacent to the Mudumalai Tiger Reserve, it shares borders with the Bandipur Tiger Reserve in Karnataka, as well as the BR Tiger Reserve and Wildlife Sanctuary, fostering a connected ecosystem.

Diverse Vegetation:

  • Encompassing southern tropical dry thorn forests, mixed deciduous forests, semi-evergreen forests, and Riparian forests, the reserve boasts rich and varied vegetation.

Rivers Flowing Through:

  • The Bhavani, Moyar, and Noyyal rivers traverse the region, adding to its ecological significance.

Indigenous Tribal Presence:

  • Home to indigenous tribal communities, notably the Irula and Kurumba tribes, the reserve reflects cultural diversity alongside its ecological wealth.

Floral Composition:

  • A variety of trees and shrubs populate the reserve, including Albizia amara, Chloroxylon swietenia, Gyrocarpus jacquini, Neem, Tamarind, Sandalwood, Randia dumetorum, and Zizyphus.

Rich Fauna:

  • The reserve is inhabited by diverse wildlife, featuring prominent species such as Elephants, Tigers, Panthers, Sloth Bears, Gaurs, Black Bucks, Spotted Deer, and Bonnet Macaques.

-Source: The Hindu


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