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Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

  1. Corbett
  2. Ranthambore
  3. Nagarjunasagar-Srisailam
  4. Sunderbans

Explanation

Option (c) is correct
  • Nagarjunsagar-Srisailam Tiger Reserve stands as the largest tiger reserve in India and possesses the most expansive core/critical tiger habitat within its boundaries. It spans the states of Andhra Pradesh and Telangana and lies in the Nallamala Hills. The Krishna River flows through the reserve, while both the Srisailam Reservoir and Nagarjunasagar Reservoir lie within its boundaries.
  • Vegetation: tropical dry mixed deciduous forest.
  • Major Fauna: Bengal tiger (EN), leopard, Indian pangolin (EN), spotted deer (chital) (LC), sambar (VU), blackbuck, chinkara, four-horned antelope (chausingha) (VU), mugger (marsh crocodile) (VU), etc.

Map showing protected areas in Telangana and Andhra Pradesh, including national parks (NP), wildlife sanctuaries (WLS), and tiger reserves (TR). Key locations like Kasu Brahmananda Reddy NP, Nagarjunsagar-Srisailam TR, and Papikonda NP are labeled with color-coded markers and names, highlighting conservation zones and biodiversity hotspots.

Option (a) is incorrect
  • Jim Corbett National Park, Corbett Tiger Reserve, is the oldest National Park in India and is located in Nainital. In 1936, it was established to protect the Bengal tiger. It was named after Jim Corbett, a well-known hunter and naturalist. The park was the first National Park to come under the Project Tiger initiative. Corbett Tiger Reserve’s core area is formed by Jim Corbett National Park, while the buffer contains Sonanadi Wildlife Sanctuary. Ramganga, Sonanadi and Kosi are the major rivers flowing through the National Park and Ramganga Reservoir is located within the National Park.
  • Vegetation: Dense, moist deciduous forests, marshy depressions and grasslands.
  • Major Fauna: Bengal tigers, elephants, leopards, Himalayan black bears, Himalayan goral, rhesus macaque.
  • Local crocodiles and gharials were saved from extinction by captive breeding programs that subsequently released crocodiles into the Ramganga River.
  • Threats: Invasive weeds and poaching.
  • Corbett National Park is one of the thirteen protected areas covered by the World Wildlife Fund for Nature under their Terai Arc Landscape Program.

Map showing protected areas, wildlife sanctuaries, bird sanctuaries, and national parks across Uttarakhand and Uttar Pradesh regions. Key locations are color-coded with purple for national parks, green for wildlife sanctuaries, and red for bird sanctuaries, highlighting major conservation zones like Jim Corbett NP-TR, Dudhwa NP-TR, and Ranipur WLS-TR.

Option (b) is incorrect
  • Ranthambhore National Park, Tiger Reserve is bounded to the north by the Banas River and to the south by the Chambal River. According to experts, there is overcrowding at the Ranthambore reserve. The Rajasthan government has announced plans to develop the Bundi Wildlife Sanctuary as a Tiger Reserve, providing a second habitat for tigers alongside the Ranthambore Tiger Reserve.
  • Vegetation: Dry deciduous forests and grasslands.
  • Major Fauna: Bengal Tiger, leopard, nilgai, sambar.
  • Major Reptilian Fauna: Mugger crocodile.
  • Threats: Poaching, poisoning of tigers by villagers, habitat fragmentation.

Map of Rajasthan displaying national parks and wildlife sanctuaries with color-coded labels: purple for national parks and green for wildlife sanctuaries. Key locations include Ranthambhore NP-TR, Sariska NP-TR, Mukundra Hills NP-TR, and several sanctuaries like Kumbhalgarh WLS and Jawahar Sagar WLS, highlighting biodiversity conservation areas across the region.

Option (d) is incorrect
  • Sunderban Biosphere Reserve, National Park, Tiger Reserve is the largest delta and mangrove forest in the world. Sundarbans National Park is a part of the Sundarbans on the Ganges Delta and is adjacent to the Sundarban Reserve Forest in Bangladesh. It is bound on the west by river Muriganga and on the east by rivers Harinbhahga and Raimangal. It is also a BR, a Tiger Reserve, a Ramsar Site, and a UNESCO World Heritage Site. The eco-geography of this area is dependent on the tidal effect. The tidal action deposits silts back on the channels, raising the bed and forming new islands and creeks.
  • Vegetation: Mangrove forests (Sundarbans has achieved its name from the Sundari mangrove tree).
  • Major Fauna: Royal Bengal Tiger, saltwater crocodile, river terrapin, olive ridley turtle, Ganges River dolphin, hawksbill turtle, mangrove horseshoe crab.

Map showing protected areas across Bihar, Jharkhand, West Bengal, and Sikkim, including national parks (NP), wildlife sanctuaries (WLS), tiger reserves (TR), and wetlands (WLS-TR). Key locations like Sundarbans NP-TR, Buxa NP-TR, and Kaimur WLS-TR are highlighted with colored labels and heatmap markers indicating biodiversity significance and conservation focus.

Additional Information

  • Critical ‘tiger’ habitats (CTHs), also known as core areas of tiger reserves, are identified under the Wild Life Protection Act (WLPA) based on scientific evidence that “such areas are required to be kept as inviolate for the purpose of tiger conservation, without affecting the rights of the Scheduled Tribes or such other forest dwellers”. The notification of CTH is done by the state government in consultation with the expert committee constituted for the purpose. ‘Inviolate’ is a general term used to indicate no human settlement or usage. This inevitably implies that designating CTHs as inviolate areas requires relocating people living in them.
Answer: (c) Nagarjunasagar – Srisailam; Difficulty Level: Medium
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