360° UPSC Mains Analysis

Great Indian Bustard numbers stable, survives in only 16% of Thar habitat, says report

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Locations

Desert National Park
Type: region
Context: The primary habitat and sanctuary for the critically endangered Great Indian Bustard (GIB) in the Thar Desert, where the population has remained stable at 110-150 birds.
Geo Detail: Spanning 3,162 sq. km across Jaisalmer and Barmer districts, it features a fragile ecosystem of sand dunes, craggy rocks, and salt lake bottoms, preserving 180-million-year-old Jurassic fossils.
Jaisalmer
Type: city
Context: The core district hosting the remaining wild GIB population, the Desert National Park, and critical captive breeding facilities.
Geo Detail: Known as the 'Golden City' of Rajasthan, it is situated in the hyper-arid heart of the Thar Desert near the India-Pakistan border, characterized by yellowish sandstone ridges.
Pokhran
Type: region
Context: The Pokhran Range serves as a key contiguous habitat for GIB flocks outside the formal boundaries of the Desert National Park.
Geo Detail: A town in Jaisalmer district surrounded by rocky terrain and five salt ranges, historically famous as the test site for India's underground nuclear detonations in 1974 and 1998.
Ramdevra
Type: region
Context: Hosts a vital captive breeding centre under Project GIB, where wild-collected eggs are hatched and raised in controlled conditions for future wild release.
Geo Detail: A village located 12 km north of Pokhran in Jaisalmer district, situated in the arid plains of the Thar Desert and renowned for the 14th-century Baba Ramdev Temple.
Sam
Type: region
Context: Location of a major GIB captive breeding centre and a key site for habitat restoration and predator management.
Geo Detail: Situated in Jaisalmer district, it is famous for its massive shifting sand dunes (30 to 60 meters high) and represents a classic hyper-arid desert landscape.

On the Map

Desert National Park, Rajasthan, India

Climate & Geology

The region falls under a hot arid climate zone (Köppen BWh) characterized by extreme diurnal temperature variations, low and erratic monsoon rainfall (under 150 mm annually), and high wind speeds. Geologically, the Thar is a paleotectonic basin containing Mesozoic marine deposits covered by thick quaternary aeolian sands, making it highly susceptible to wind erosion and desertification.

Physical Context

The Thar Desert (Great Indian Desert) forms a natural geographic boundary between India and Pakistan, bordered by the irrigated Indus River plains to the west, the Rann of Kutch to the south, and the Aravalli Range to the southeast. In the landmark environmental case M.K. Ranjitsinh & Ors. v. Union of India & Ors. (Writ Petition Civil No. 838 of 2019), the Supreme Court designated a 'Revised Priority Area' of 14,013 sq. km in Rajasthan and 740 sq. km in Gujarat to balance GIB habitat protection with renewable energy transmission lines.

Resource Significance

The Thar Desert is a critical hub for India's green energy transition, possessing immense solar and wind energy potential that conflicts with GIB flight paths. It is also rich in industrial minerals such as gypsum, limestone, bentonite, and fuller's earth, while supporting rain-fed agriculture (bajra, guar) and pastoralism, supplemented by the Indira Gandhi Canal.

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