The Lower Dibang Valley district ( ) is an administrative district in the state of

Arunachal Pradesh Arunachal Pradesh (; ) is a States and union territories of India, state in northeast India. It was formed from the North-East Frontier Agency (NEFA) region, and India declared it as a state on 20 February 1987. Itanagar is its capital and la ...

northeastern India Northeast India, officially the North Eastern Region (NER), is the easternmost region of India representing both a geographic and political administrative division of the country. It comprises eight states—Arunachal Pradesh, Assam, Manipur, M ...

,. .It is the tenth least populous district in the country, and the least densely populated district.

History

In June 1980, the Dibang Valley district was created from part of the

Lohit district Lohit () is an administrative district in the state of Arunachal Pradesh in India. The district headquarters is located at Tezu. As of 2011 it is the third most populous district of Arunachal Pradesh, after Papum Pare and Changlang. Etymol ...

. On 16 December 2001, the Dibang Valley district was bifurcated into Dibang Valley district and Lower Dibang Valley district.

Geography and timeline

The headquarters of the district is the town of Roing. Before it was carved out of the district on 16 December 2001,

Anini Anini is the headquarters of the Dibang Valley district in the state of Arunachal Pradesh in Northeast India. Anini was also the district headquarters of the undivided Dibang Valley district. Most of this location's population consists of the Mi ...

housed the district headquarters.

Transport

The proposed Arunachal Pradesh Frontier Highway goes along the McMahon Line, and will pass through the Lower Dibang Valley district. An alignment map can be see
here
an
here
It will intersect with the proposed East-West Industrial Corridor Highway.

Divisions

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.

Demographics

According to the 2011 census, the Lower Dibang Valley district has a

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 54,080, roughly equal to the island nation of

Saint Kitts and Nevis Saint Kitts and Nevis, officially the Federation of Saint Christopher (St Kitts) and Nevis, is an island country consisting of the two islands of Saint Kitts and Nevis, both located in the West Indies, in the Leeward Islands chain of the Less ...

. This makes it the 630th least populous district in India (out of a total of

640 Year 640 ( DCXL) was a leap year starting on Saturday of the Julian calendar. The denomination 640 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming y ...

). The district has a population density of , lowest in the country. Its rate of

population growth rate Population growth is the increase in the number of people in a population or dispersed group. The global population has grown from 1 billion in 1800 to 8.2 billion in 2025. Actual global human population growth amounts to around 70 million annu ...

from 2001–2011 was 7.01%. The Lower Dibang Valley has a

sex ratio A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is typically about 1:1 in species which reproduce sexually. However, many species deviate from an even sex ratio, ei ...

of 919 females for every 1000 males, and a

literacy rate Literacy is the ability to read and write, while illiteracy refers to an inability to read and write. Some researchers suggest that the study of "literacy" as a concept can be divided into two periods: the period before 1950, when literacy was ...

of 70.38%. Scheduled Tribes make up 48.03% of the population.

Religion

Languages

Major languages spoken include Idu Mishmi and Adi.

Hindi Modern Standard Hindi (, ), commonly referred to as Hindi, is the Standard language, standardised variety of the Hindustani language written in the Devanagari script. It is an official language of India, official language of the Government ...

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 Bhojpuri may refer to: * Bhojpuri language, an Indo-Aryan language of India and Nepal * Bhojpuri grammar, grammatical rules of the language * Bhojpuri nouns, nouns of the language * Bhojpuri people, people who speak the language * Bhojpuri region ...

, 3.75% Assamese, 2.83%

and 2.23% Galo as their first language.

Flora and fauna

The district is rich in wildlife. Rare mammals such as Mishmi takin, red goral,

elephant Elephants are the largest living land animals. Three living species are currently recognised: the African bush elephant ('' Loxodonta africana''), the African forest elephant (''L. cyclotis''), and the Asian elephant ('' Elephas maximus ...

wild water buffalo The wild water buffalo (''Bubalus arnee''), also called Asian buffalo, Asiatic buffalo and wild buffalo, is a large bovine native to the Indian subcontinent and Southeast Asia. It has been listed as ''Endangered'' in the IUCN Red List since 198 ...

s and leaf muntjac live in the district. Birds that live in the Lower Dibang Valley include Sclater's monal,

Blyth's tragopan Blyth's tragopan (''Tragopan blythii'') or the grey-bellied tragopan, is a pheasant that is a vulnerable species. The common name commemorates Edward Blyth (1810–1873), English zoologist and Curator of the Museum of the Asiatic Society of Benga ...

, the rufous-necked hornbill, the Bengal florican, and the white-winged wood duck. Mishmi Hills giant flying squirrels (''Petaurista mishmiensis'') also live in this district., 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. In 1980, the Lower Dibang Valley district became home to the Mehao

Wildlife Sanctuary A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geolog ...

, which has an area of . A new subspecies of hoolock gibbon has been discovered in this area, which was named the Mishmi Hills hoolock. ''H. h. mishmiensis''..

References

External links

Official website
{{DEFAULTSORT:Dibang Valley district (Lower) 2011 establishments in Arunachal Pradesh Districts of Arunachal Pradesh