Tiny Orang roars on tiger density

​Why in news?

  • Orang, the tiger reserve in Assam with the smallest core among 50 nationally protected areas, has presented wildlife scientists doing a census with a surprise: a high density of 28 big cats.
  • The count was revealed during phase IV of the all-India tiger estimation programme of the National Tiger Conservation Authority (NTCA).

About Orang Tiger Reserve

  • Spread over Darrang and Sonitpur districts and notified in February 2016, Orang Tiger Reserve is the 49th in the country. It has the smallest core of 78.28 sq. km., and the cat density was revealed during a census done between January and March 2017.
  • Kamlang Tiger Reserve in Arunachal is the 50th and latest to be notified.Density is calculated based on the number of tigers per 100 sq. km. Estimates in 2013 had put the number of tigers here at 17.

Core-buffer division

  • Orang’s buffer area is 413.18 sq. km., but experts say the boundary between the core and buffer is sharp and not contiguous forest as in other reserves of Assam.
    Agni Mitra, regional director of Wildlife Crime Control Bureau and tiger biologist said the tiger reserves from Uttarakhand to Nepal, parts of Bihar and north Bengal and in Assam in the ‘Terai arc landscape” sustains grassland and a good prey base.

National Tiger Conservation Authority (NTCA)

  • The National Tiger Conservation Authority(NTCA) was established in December 2005 following a recommendation of the Tiger Task Force, constituted by the Prime Minister of India for reorganised management of Project Tiger and the many Tiger Reserves in India.
  • NTCA report last year titled The Status of Tigers, Co-predators and Prey in India, said the density in Kaziranga National Park was 12.72 per 100 sq. km., followed by Jim Corbett National Park (11) in Uttarakhand and Bandipur National Park (10.28) in Karnataka.
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