UPSC Mains Current Affairs

Dudhwa Tiger Reserve and the Terai Arc Landscape

Riyasat IAS Mentorship Team Updated 19 Jul 2026 4 min read

Dudhwa Tiger Reserve and the Terai Arc Landscape

GS PAPER III — Environment & Biodiversity | GS PAPER I — Geography

Why in News? Dudhwa Tiger Reserve in Uttar Pradesh continues to draw attention for its role in tiger conservation, habitat protection, and human-wildlife conflict management — and stands as one of India’s clearest examples of transboundary conservation cooperation with Nepal.

Where Dudhwa Sits in India’s Conservation Landscape

Located in Lakhimpur Kheri district, Uttar Pradesh, Dudhwa was established as a Tiger Reserve in 1987 under Project Tiger. It forms part of the larger Terai Arc Landscape and sits directly along the India-Nepal border region, giving it strategic importance beyond its immediate ecological value.

The reserve is not a single protected area but a composite of three: Dudhwa National Park, Kishanpur Wildlife Sanctuary, and Katerniaghat Wildlife Sanctuary, together forming a larger connected conservation unit.

The Ecosystem That Makes Dudhwa Distinctive

Sitting in the Terai region at the foothills of the Himalayas, Dudhwa is characterised by marshes and wetlands, tall Terai grasslands, Sal forests, and riverine ecosystems — a habitat mosaic rather than a single forest type. The Mohana River flows directly through the reserve, while the Sharda River shapes the wider Terai landscape around it.

Vegetation is dominated by Sal (Shorea robusta) forests alongside moist deciduous forests and extensive wet grasslands, creating ideal conditions for large grazing mammals and their predators alike.

A Reserve Built Around Flagship Species

Dudhwa supports the Royal Bengal Tiger, leopard, Asian elephant, wild boar, and sloth bear, but two species make it especially significant: the swamp deer or Barasingha, and a reintroduced population of the one-horned rhinoceros.

Dudhwa is one of the most important habitats for the hard-ground Barasingha specifically, and has played a genuinely crucial role in pulling this endangered deer subspecies back from the brink — a conservation success story less well known than tiger recovery narratives but arguably just as significant.

Why Dudhwa Matters for Transboundary Conservation

As part of the Terai Arc Landscape, Dudhwa functions as a wildlife corridor connecting habitats across the India-Nepal border, sitting close to Nepal’s Shuklaphanta National Park and other Terai protected areas. This makes it a practical anchor for transboundary conservation cooperation, since tigers, rhinos, and other wide-ranging species don’t recognise the international boundary running through their habitat.

Dudhwa Tiger Reserve at a Glance

AttributeDetail
LocationLakhimpur Kheri district, Uttar Pradesh
Established as Tiger Reserve1987, under Project Tiger
LandscapePart of the Terai Arc Landscape (TAL)
ComponentsDudhwa National Park, Kishanpur WLS, Katerniaghat WLS
Key riversMohana River (through the reserve), Sharda River (regional influence)
Flagship speciesTiger, hard-ground Barasingha, reintroduced one-horned rhinoceros
Transboundary linkAdjacent to Nepal’s Shuklaphanta National Park

Way Forward

  • Strengthen India-Nepal transboundary conservation coordination to manage wide-ranging species like tigers and rhinos as a single connected population rather than separate national populations.
  • Continue habitat and corridor protection within the Terai Arc Landscape to prevent fragmentation from agricultural expansion and infrastructure.
  • Scale up human-wildlife conflict mitigation measures around Dudhwa’s periphery, given the reserve’s proximity to dense agricultural settlements.

Dudhwa’s significance goes well beyond tiger numbers — its role in reviving the hard-ground Barasingha and anchoring transboundary conservation with Nepal make it a distinctive case study in landscape-level, cross-border wildlife management within the Terai Arc.

UPSC Note — Mains Answer-Writing Angle A strong GS I/III crossover — use Dudhwa’s Terai ecosystem description for geography answers and its conservation-corridor role for environment/biodiversity answers. The Barasingha conservation angle is a distinctive, less commonly cited fact worth using to differentiate your answer from generic tiger-reserve responses.
Points to Include in Your Answer Locate Dudhwa precisely — Lakhimpur Kheri, UP, Terai Arc Landscape, established 1987 under Project Tiger.Describe the composite structure (three protected areas) and habitat mosaic (grasslands, Sal forests, wetlands).Use the Barasingha conservation success story as your most distinctive evidence point.Bring in the transboundary angle with Nepal’s Shuklaphanta National Park for an India-Nepal cooperation dimension.Close with human-wildlife conflict and corridor-protection challenges for a well-rounded answer.
Mains Practice Question Discuss the ecological significance of Dudhwa Tiger Reserve within the Terai Arc Landscape, and examine its role in transboundary wildlife conservation between India and Nepal. (250 words, 15 marks)

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