Duolun County, Xilin Gol League, Inner Mongolia Autonomous Region

Duolun County, belonging to Xilin Gol League of Inner Mongolia Autonomous Region, is located in the south of Xilin Gol League and the east of the north foot of Yinshan Mountain. Longitude 115 ° 30 ′ - 116 ° 55 ′, latitude 41 ° 45 ′ - 42 ° 39 ′. It is adjacent to Zhenglan Banner in the west, Keshiketeng Banner in Chifeng City in the north, Guyuan County, Fengning County and Weichang County in the south. The total area is 3863 square kilometers.

In 2011, it was approved by the government of Inner Mongolia Autonomous Region and Xilin Gol League to build a central city. The county people's government is located in duolunnur town.

In 2008, it won the honorary title of Chinese historical and cultural town, and in 2010, it won the honorary title of national characteristic landscape tourism town. In September 2018, it won the title of "China natural oxygen bar". On April 18, 2019, the people's Government of Inner Mongolia Autonomous Region decided to withdraw Duolun County from the sequence of poverty-stricken counties.

Historical evolution

The name of the county comes from the Mongolian "duolunnuoer", which means "seven lakes". It was named after seven lakes. The administrative system began in the Qing Dynasty. It was once one of the three halls of Koubei, which was called the Council Hall of duolunnuoer.

In 1691, Emperor Kangxi of the Qing Dynasty held a famous "duolunnuoer alliance", and Mobei Mongolia was formally attached to the central government of the Qing Dynasty, which changed the political pattern of Northeast Asia at that time.

In 1710 (the 49th year of Kangxi), the Qing government established "Xinghua town" in duolunnuoer, which was under the jurisdiction of Zhili Province.

In 1732 (the 10th year of Yongzheng reign), the Council Office of Guihua city and the Council Office of duolunnuoer were established. As the northernmost administrative and judicial organ in Zhili Province, the Council Office of duolunnuoer directly administers more than 20000 square kilometers of administrative areas including duolunnuoer City, Chahar left wing blue flag, white flag, white flag and yellow flag. The scope of judicial litigation management involves more than 130 banners in Inner Mongolia and Outer Mongolia, and becomes the local government that directly exercises power on behalf of the imperial court in Inner Mongolia and Outer Mongolia.

In 1881 (the seventh year of the reign of Emperor Guangxu), the Qing government changed duolunnuoer council office into duolunnuoer Fumin office to manage all the administrative affairs within the jurisdiction of Chahar left-wing four banners.

In 1913 (the second year of the Republic of China), the government of the Republic of China abolished duolunnuoer Fumin hall and set it as Duolun County.

In 1914 (the third year of the Republic of China), Chahar Special Administrative Region was established in the Republic of China. Duolun county is the second largest city after Zhangjiakou, the capital of the administrative region.

In 1928 (the 17th year of the Republic of China), Chahar Special Administrative Region was transformed into a province, and Duolun County was the second largest city in the province.

In August 1945, the Soviet Union and the Mongolian union defeated the Japanese army. The Soviet Union and the Mongolian union set up the Duolun Soviet city in Duolun City, under the jurisdiction of duolunuoer banner.

In May 1949, Duolun city was abolished and Chengguan District was established. In October of the same year, Duolun county government was renamed Duolun County People's government.

In August 1950, according to the decision of the Ministry of internal affairs of the central government, Duolun County belonged to the Inner Mongolia Autonomous Region and Chahar League.

In October 1958, Xilin Gol League and Chahar League merged, and the establishment of Chahar League was abolished. Duolun county is subordinate to Xilin Gol League.

On September 29, 2011, the report meeting on the site selection of the regional central city in the south of Ximeng was held in Duolun County. The meeting unanimously approved the site selection of Duolun County to build the regional central city in the south of Ximeng.

geographical environment

Location context

Duolun county is located in the southeast of Xilinguole League, Inner Mongolia Autonomous Region. It spans 115 ° 51 ′ - 116 ° 54 ′ E and 41 ° 46 ′ - 42 ° 36 ′ n. The county is about 110 kilometers long from north to South and 70 kilometers wide from east to west, with a total land area of 3773 square kilometers. It is adjacent to Zhenglan Banner in the west, Keshiketeng Banner in the north, Weichang County, Fengning County and Guyuan County in Hebei Province in the East and south.

landforms

Duolun county is located in the southern margin of Inner Mongolia Plateau, the northern slope of Yinshan Mountains, and the eastern part connects with the southwest extension of Daxinganling. The overall terrain is high around and low in the middle. It is high in the South and low in the north. From southwest to northeast, it is a wide and gentle semi annular basin. The elevation of the low-lying area in the middle of the basin is about 1200 meters. The highest point of the county is Dongshan, dashilashuiquangou, xigangou Township, with an elevation of 1799.9 meters. The lowest point is near xiaocaiyuan at the exit of Luanhe River, with an elevation of 1148 meters and a relative elevation difference of 651.9 meters.

climate

The climate belongs to the transition continental climate from semi-arid to semi humid in the middle temperate zone. The altitude is 1150-1800 meters. The average annual temperature is 1.6 ℃. The average annual precipitation is 385mm, which belongs to the high water belt in Ximeng.

natural resources

water resource

Duolun is rich in water resources. There are 47 perennial rivers and 62 lakes, with a total water area of 162000 mu. On less than 1.9% of the land in Xilinguole League, the runoff of surface water accounts for nearly half of the league. The tranquil and beautiful girl lake, the beautiful Xishan Bay, the distinct Heifeng River and lightning River, and the Luanhe River, which connects the friendship between the people of Jinlun, all together make a picture of the water area of Duolun, which is composed of Gaoxia Pinghu, boating and oaring, waterfowl flying, and fishing songs answering.

Forest resources

Duolun has the only surviving natural elm forest in Asia; there are underground forests in the desert. The natural secondary forest of 350000 Mu is rich in poplar, elm, birch, maple, seabuckthorn, apricot, hazelnut, thick plum, etc.

land resource

As of 2012, the total land area is 3773 square kilometers (5.66 million mu), including 1.18 million mu of cultivated land (450000 mu of grain and oil, 300000 mu of annual grass, the rest of the land is converted to forest and grass), and 2.11 million mu of grassland. Duolun county belongs to millet calcareous soil area, with 7 soil types, 14 sub types, 29 soil genera and 59 soil species.

Biological resources

There are 58 families, 282 genera and 571 species of wild plants in Duolun County. There are 49 species of birds and beasts in 31 families, mainly including yellow sheep, roe deer, wolf, fox, badger, raccoon dog, hare, etc.; the birds inhabiting mainly include swan, great bustard, wild goose, magpie, sand chicken, crow, goshawk, lark, etc., among which the lark produced in honghuashan of Dahekou township is famous for its crooked claws, loud noise and good at learning the sound of birds.

mineral resources

Duolun County was listed as one of the 13 national key prospecting areas in 1996. There are 18 kinds of non-metallic mineral deposits, of which the proven reserves are 86.58 million tons of high-quality lignite, 2.2242 million tons of limestone, 223 million tons of perlite, 9.8837 million tons of zeolite, 84900 tons of agate, 8.1568 million tons of hydromica and 118700 tons of fluorite. The estimated reserves of volcanic rocks are about 491 million cubic meters. The proven reserves of iron ore in the metal deposits are 13.21 million tons, and lead, tin, manganese, silver and gold deposits are also found.

administrative division

Duolun County governs 3 townships and 2 towns (duolunnaoer Town, Dabeigou Town, xigangou Town, Dahekou town and CaiMuShan town), 64 administrative villages and 7 communities.

Transportation

There are 6 national, provincial, county and township highways in the territory, and the highway transportation from Zhangjiakou, Chengde, Chifeng, Xilinhot and other medium-sized cities is about 270 km. The shuttle bus goes directly to Zhangjiakou, Baochang, Zhenglanqi, Xilinhot, Weichang, Guyuan, Fengning, Chengde and Chifeng. In particular, after the completion of Duolun and Fengning West highways in 1996, the distance between Beijing and Duolun was shortened, with a total mileage of 359 km, making it the nearest County in Inner Mongolia prairie to Beijing.

Population nationality

In 2012, there were 44706 households in Duolun County, with a total population of 109011, including 55947 males and 53064 females, with a sex ratio of 105.4:100 (100 females). In the total population, the Han population is 86950, accounting for 79.8% of the total population; the Mongolian population is 5398, accounting for 4.9%; the other minority population is 16663, accounting for 15.3%. In 2012, 1244 people were born, with a birth rate of 11.52 ‰; 339 people died, with a mortality rate of 3.14 ‰; and the natural growth rate of population was 8.38 ‰.

There are 10 nationalities in Duolun County, including Han, Mongolian, Hui, Manchu, Korean, Daur, Tibetan, Bai, Tong and Zhuang.

Economics

overview

In 2012, the GDP of Duolun County was 6.740 billion yuan, an increase of 19.2% over the previous year at comparable prices. Among them, the added value of the primary industry was 731 million yuan, an increase of 6.8%; the added value of the secondary industry was 4.924 billion yuan, an increase of 23.3%; the added value of the tertiary industry was 1.085 billion yuan, an increase of 11.1%. The proportion of primary, secondary and tertiary industries in the GDP of Duolun County was adjusted from 11.9:71.0:17.1 of the previous year to 10.8:73:16.2, and the per capita GDP in 2012 was 66828 yuan, an increase of 12.4% over the previous year.

primary industry

In 2012, the sown area of crops in Duolun County was 761000 mu, the same as last year. The sown area of grain crops in Duolun County was 665000 mu, the same as that of the previous year; affected by the disaster climate, the total grain output of Duolun County was 41207 tons, 48320 tons lower than that of the previous year, a decrease of 54.0%. In Duolun County, the sown area of oilseeds was 13000 mu, an increase of 3.5%; the output of oilseeds was 317 tons, a decrease of 42.5%. The planting area of vegetables in Duolun County was 70000 mu, an increase of 2.8% over the previous year, and the total output of vegetables was 158000 tons, a decrease of 12.7% over the previous year.

In 2012, the total number of large and small livestock in Duolun County was 189000, an increase of 13000 over the previous year, an increase of 7.4%. Among them, there were 144000 large livestock, a decrease of 6.6%, and 45000 small livestock, an increase of 108.4%. There were 36000 pigs, the same as last year. The annual stock of cattle in Duolun County was 141000, a decrease of 6