Coordinates: 28°08′40″N 95°50′30″E / 28.144545°N 95.841722°E / 28.144545; 95.841722

Lower Dibang Valley district

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Lower Dibang Valley district
District of Arunachal Pradesh
View of the Dibang River from Bara Golai north of Roing
View of the Dibang River from Bara Golai north of Roing
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Location in Arunachal Pradesh
CountryFile:Flag of India.svg India
StateArunachal Pradesh
HeadquartersRoing
Area
 • Total
3,900 km2 (1,500 sq mi)
Population
 (2011)[1]
 • Total
54,080
 • Density14/km2 (36/sq mi)
Demographics
 • Literacy70.4%[1]
 • Sex ratio919[1]
Time zoneUTC+05:30 (IST)
Websiteroing.nic.in

Lower Dibang Valley district (/dɪˈbæŋ/ dib-ANG) is an administrative district in the state of Arunachal Pradesh in northeastern India. It is the tenth least populous district in the country, and the least densely populated district.[2]

History

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File:Snow clad mountain, Lower Dibang Valley.jpg
Snow capped mountain

In June 1980, the Dibang Valley district was created from part of the Lohit district.[3] On 16 December 2001, the Dibang Valley district was bifurcated into Dibang Valley district and Lower Dibang Valley district.[3]

Geography and timeline

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The headquarters of the district is the town of Roing. Before it was carved out of the district on 16 December 2001, Anini housed the district headquarters.[4]

Transport

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The proposed 2,000-kilometre-long (1,200 mi) Arunachal Pradesh Frontier Highway goes along the McMahon Line,[5][6][7][8] and will pass through the Lower Dibang Valley district. An alignment map can be seen here and here.[9] It will intersect with the proposed East-West Industrial Corridor Highway.

Divisions

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There are two Arunachal Pradesh Legislative Assembly constituencies located in this district: Dambuk and Roing. Both are part of the Arunachal East Lok Sabha constituency.[10]

Demographics

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According to the 2011 census, the Lower Dibang Valley district has a population of 54,080,[1] roughly equal to the island nation of Saint Kitts and Nevis.[11] This makes it the 630th least populous district in India (out of a total of 640).[1] The district has a population density of 14 inhabitants per square kilometre (36/sq mi), lowest in the country.[1] Its rate of population growth rate from 2001–2011 was 7.01%.[1] The Lower Dibang Valley has a sex ratio of 919 females for every 1000 males,[1] and a literacy rate of 70.38%. Scheduled Tribes make up 48.03% of the population.[1]

Religion

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Religion in Lower Dibang Valley district (2011)[12]
Religion Per cent
Hinduism
 
 53.47%
Tribal religion
 
 19.22%
Christianity
 
 17.04%
Buddhism
 
 5.42%
Islam
 
 4.15%
Other or not stated
 
 0.70%

Languages

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Major languages spoken include Idu Mishmi and Adi. Hindi has been taught in schools since the 1970s. Most of the citizens understand and speak Hindi. In other various areas, different languages are spoken, such as Nepali and Assamese. English is also spoken by educated citizens.

At the time of the 2011 census, 24.29% of the population spoke Nepali, 23.03% Adi, 15.15% Mishmi, 7.04% Bengali, 7.02% Mishing, 4.54% Bhojpuri, 3.75% Assamese, 2.83% Hindi and 2.23% Galo as their first language.[13]

Flora and fauna

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The district is rich in wildlife. Rare mammals such as Mishmi takin, red goral, elephants, wild water buffalos and leaf muntjac live in the district. Birds that live in the Lower Dibang Valley include Sclater's monal, Blyth's tragopan, the rufous-necked hornbill, the Bengal florican, and the white-winged wood duck.[14] Mishmi Hills giant flying squirrels (Petaurista mishmiensis) also live in this district.[15]

In 1980, the Lower Dibang Valley district became home to the Mehao Wildlife Sanctuary, which has an area of 282 km2 (108.9 mi2).[16] A new subspecies of hoolock gibbon has been discovered in this area, which was named the Mishmi Hills hoolock. H. h. mishmiensis.[17]

References

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  13. ^ 2011 Census of India, Population By Mother Tongue
  14. ^ Choudhury, Anwaruddin (2008) Survey of mammals and birds in Dihang-Dibang biosphere reserve, Arunachal Pradesh. Final report to Ministry of Environment & Forests, Government of India. The Rhino Foundation for nature in NE India, Guwahati, India. 70pp.
  15. ^ , Choudhury, Anwaruddin (2009).One more new flying squirrel of the genus Petaurista Link, 1795 from Arunachal Pradesh in north-east India. The Newsletter and Journal of the RhinoFoundation for nat. in NE India 8: 26–34, plates.
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