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| Barail Range | |
|---|---|
| Name | Barail Range |
| Elevation m | 1925 |
| Location | Assam, Manipur, Nagaland, Meghalaya, Arunachal Pradesh |
| Range | Patkai range |
Barail Range The Barail Range is a prominent mountain chain in Northeast India forming part of the Patkai range complex. Straddling the states of Assam, Manipur, Nagaland, and Meghalaya, the range lies near international frontiers with Myanmar and influences river systems feeding into the Brahmaputra River and Barak River. It serves as an ecological corridor between the Himalayas and the Indochinese Peninsula, and has been referenced in regional studies by institutions such as the Zoological Survey of India, Botanical Survey of India, and universities like North-Eastern Hill University.
The Barail Range is part of the tectonic mosaic shaped by the collision of the Indian Plate with the Eurasian Plate and the oblique convergence involving the Burma Plate. Geological surveys by the Geological Survey of India identify folded sedimentary strata, metamorphic outcrops, and Cenozoic deposits similar to formations mapped in the Himalayan orogeny and the Indo-Burman Ranges. Structural studies reference thrust faults and fold belts comparable to those documented by researchers from the Indian Institute of Science and the Wadia Institute of Himalayan Geology. Mineralogical reports note occurrences of sandstone, shale, siltstone, and localized coal seams analogous to deposits cataloged by the Mining and Geology Department of Assam.
Topographically, the Barail massif rises to peaks near 1,925 metres and forms a watershed between the Brahmaputra River basin and the Barak River system. Major hill ranges and passes have been charted in surveys conducted by the Survey of India and appear on maps alongside neighboring features such as the Mikir Hills, Naga Hills, and the Garo Hills. The range contains ridgelines, steep escarpments, and intermontane valleys that drain into tributaries like the Dhansiri River, Doyang River, and Tizu River. Climatic patterns are influenced by the Southwest Monsoon and the Northeast India rainfall regime emphasized in studies by the Indian Meteorological Department and the Centre for Environmental Education.
The Barail Range is a biodiversity hotspot noted in assessments by the World Wide Fund for Nature and the United Nations Environment Programme for its endemic flora and fauna. The forests host assemblages of dipterocarps, rhododendrons, and bamboos that echo floristic inventories maintained by the Botanical Survey of India and the Royal Botanic Gardens, Kew collaborations. Faunal records include mammals such as the Clouded Leopard, Tiger, Indian Elephant, and ungulates comparable to taxa studied by the Wildlife Institute of India and the Conservation Biology Unit at regional universities. Avifauna surveys cite species shared with the Eastern Himalaya and Indo-Burma regions, drawing comparisons to collections at the Bombay Natural History Society and the American Museum of Natural History. Herpetofauna and invertebrate inventories conducted with the Zoological Survey of India report a number of endemic frogs, butterflies, and beetles that inform broader conservation priorities supported by organizations like BirdLife International.
Indigenous communities—including groups recognized in regional records such as the Naga people, Kuki people, and Karbi people—have long-held cultural ties to the highlands and valleys of the Barail region. Oral histories and ethnographic research from the Anthropological Survey of India and academic departments at Gauhati University and Manipur University document traditional practices linked to shifting cultivation, forest stewardship, and ritual landscapes. Colonial-era exploration by officers of the British Indian Army and administrative records from the British Raj mapped passes and settlements, while post-independence developments involved state agencies such as the Government of Assam and the Government of Manipur in managing land use and demographic change.
Economic activities in and around the range include smallholder agriculture, tea plantations in adjacent lowlands monitored by the Tea Board of India, timber extraction documented by state forest departments, and quarrying for construction material noted by district administrations. Mineral resource appraisals by the Minerals and Metals Trading Corporation of India reference small coal and limestone occurrences akin to other northeastern basins. Non-timber forest products, medicinal plants recorded by the Indian Council of Medical Research, and locally harvested bamboo contribute to livelihoods, while markets in urban centers like Silchar, Imphal, Guwahati, and Dimapur serve as commercial nodes.
Conservation concerns highlighted by the Ministry of Environment, Forest and Climate Change include habitat fragmentation, shifting cultivation impacts, illegal logging, and road-induced erosion. Protected-area proposals advocated by the Wildlife Conservation Society and regional NGOs have encountered competing land-rights claims involving state authorities and tribal councils cited in reports from the National Biodiversity Authority. Climate-change projections from the Intergovernmental Panel on Climate Change and Indian climate research centers predict alterations in precipitation and species distributions that could affect ecosystem services and hydrology tied to the Barail watersheds.
Transportation corridors across and around the range have been developed by the National Highways Authority of India and the Indian Railways, with key routes linking towns such as Silchar, Diphu, Kohima, Imphal, and Dimapur. Mountain passes and valley roads connect remote villages recorded in census documents by the Office of the Registrar General & Census Commissioner, India, while infrastructure projects involving the Border Roads Organisation have improved access for commerce and services. Settlements range from hilltop hamlets to larger municipal centers that function as administrative hubs for district offices of the Government of Meghalaya and neighboring states.
Category:Mountain ranges of India