Dangchang County, Longnan City, Gansu Province

Dangchang County Dangchang county belongs to Longnan City, Gansu Province. It is located in the south of Gansu Province and the northwest of Longnan City. As a place name, Dangchang was founded by Liang Qin in the Eastern Jin Dynasty. In the early Sui Dynasty, it was changed to dangzhou. After many changes, it was formally established in 1954. Dangchang County governs 11 towns, 14 townships and 336 administrative villages, with a total area of 3331 square kilometers, a total population of 310400 and a permanent resident population of 278700 (2017).

Dangchang county is located in the ecotone of Minshan Mountain system and West Qinling Mountains on the edge of Qinghai Tibet Plateau, with an altitude of 1138-4154 meters. It has a temperate continental climate with a mild and humid climate, a significant vertical climate, and a large difference between the north and the south. Natural resources mainly include mineral resources, animal and plant resources, water energy resources, etc. In 2017, the GDP of Dangchang county was 2.328 billion yuan.

Dangchang county is known as the "Millennium medicine town". There are more than 690 kinds of Chinese herbal medicines, especially Angelica sinensis, Codonopsis pilosula, rhubarb, Hedysari, bupleurum and Astragalus. Dangchang county has been rated as "the most beautiful China · destination city", "China's famous green county", "China's best cultural and ecological tourism destination", "China's low-carbon tourism demonstration county", "China's red classic tourist resort" and so on. The territory has Hadapu Red Army Long March memorial hall, guan'egou National Forest Park and other attractions. On December 6, 2019, it was selected as the pilot unit of promoting the quality improvement of farmers' cooperatives in the whole county. On the morning of November 21, 2020, the Information Office of Gansu provincial government held a press conference to announce the withdrawal of Dangchang county from the poverty-stricken county sequence.

(Note: the pronunciation of "Dang" in Dangchang is t à n)

Evolution of organizational system

Dangchang has a long history, as early as 5000 years ago, there were human reproduction.

Xia: Dangchang is the place of Yongzhou and the residence of ancient Xirong.

Shang Dynasty and Western Zhou Dynasty: Dangchang was the habitat of Qiang people. In the middle of the 11th century B.C., the Tang Chang Qiang people followed King Wu of Zhou Dynasty to destroy the Shang Dynasty.

Warring States Period: Qin built Qiang road in today's Dangchang and Zhouqu, which belongs to Longxi County.

Qin and Western Han Dynasties: Qiang road still belongs to Longxi County.

Eastern Han Dynasty: in the early years of Emperor Guangwu, Qiangdao was changed to Wudu County.

Three Kingdoms: in 229 ad, Qiangdao belonged to Wudu County of Yizhou.

Wei Jin Yuan four years (AD 263), Wei destroyed Shu, originally under the jurisdiction of Shu, Fen Liang, Yi two states, Wudu County into Liangzhou. In the first year of Taikang (AD 280), Emperor Wu of the Western Jin Dynasty, Qiangdao county was abandoned and belonged to Wudu County. In the first year of Yongjia (307 A.D.) of emperor Huai of Jin Dynasty, Liang Qinjian, a Qiang nationality, established the state of Dangchang, which is thousands of miles from east to west and 800 miles from north to south, with a population of more than 100000.

Northern and Southern Dynasties: in the first year of Shiguang (424 AD), Emperor Taiwu of the Northern Wei Dynasty, Dangchang state was attached to the Northern Wei Dynasty. In the first year of Tianhe, Emperor Wu of the Northern Zhou Dynasty (566 AD), Tian Hong, a great general of the Northern Zhou Dynasty, destroyed the state of Dangchang. Taking its place as dangzhou, dangzhou governor's office was set up, which governs Dangchang and Gansong counties. Yangdang and Herong counties are led by Dangchang County, and Huaidao county is led by Gansong county.

Sui Dynasty: in the third year of Emperor Wen of Sui Dynasty (583 AD), Dangchang and Gansong counties were abolished, and counties were unified by prefectures. Kaihuang four years (AD 584), the abolition of dangzhou general office. Kaihuang eighteen years (AD 598), Yang Dang changed to Lianggong county. In the third year of Daye (607 AD), dangzhou was changed into Dangchang county.

Tang Dynasty: in 618 ad, the first year of Wude, Emperor Gaozu of the Tang Dynasty, Dangchang county was changed into dangzhou, and Jicheng county (now Lichuan) was established as minzhou. In the second year of Wude (619 A.D.), it set up the general office of Qinzhou, which governs the twelve prefectures of Qin, Wei, min, Tao, die, Wen, Wu, Cheng, Kang, LAN, Dang and Fu. In the fourth year of Wude (621 A.D.), dangzhou belonged to the governor of minzhou. In the first year of Emperor Taizong's Zhenguan reign (627 A.D.), Tanshui County, Chengzhou, was changed into dangzhou, and later entered Lianggong county. Zhenguan three years (AD 629), and Rongxian province into Huaidao county. In 721 ad, Xuanzong changed Jicheng County into Youchuan county (now Lichuan County). Xuanzong Kaiyuan two years (AD 714), set Longshi Jiedushi, dangzhou is. In the first year of Emperor Xuanzong's Tianbao reign (742 A.D.), dangzhou was changed into Huaidao County, which led Huaidao county and Lianggong county. In the third year of suzong Zhide (758 AD), Huaidao county was changed to dangzhou. In the first year of Guangde (763 AD), dangzhou fell into Tubo.

Northern Song Dynasty: Taizong Jianlong two years (AD 962), he Lianggong, datan 2 County for datan County, subordinate to Qinzhou. In 1073, Wang Shao recovered minzhou and dangzhou. Southern Song Dynasty: in the third year of LiZong Ruiping (1236 AD), minzhou, dangzhou, diezhou, Jiezhou and Wenzhou descended to the Mongolian Khanate.

Yuan Dynasty: in the 26th year of the reign of emperor Shizu (1289 A.D.), there were thousands of military and civilian offices in Xigu city. Huizong to 27 years (AD 1367), set up xigufan Han military and civilian thousand households, belong to the state.

Ming Dynasty: in the fourth year of Hongwu (1371 A.D.), Fu Youde was sent to Xigu, where thousands of Korean people were attached. Hongwu seven years (AD 1374), set up Xigu military and civilian thousand house, belongs to gongchang house. Hongwu 11 years (AD 1378), built minzhou Wei in Youchuan, set minzhou as the commander, gongchang mansion. In the 14th year of Hongwu (A.D. 1381), it was changed to xigucheng military and civilian garrison qianhusuo, which was under the jurisdiction of Shaanxi capital. In the next year, xigucheng qianhusuo was under the direct control of minzhou military and civilian command department.

Qing Dynasty: in the 12th year of Shunzhi (1655 AD), Xigu military and civilian garrison was removed and merged into Jiezhou. In the seventh year of Yongzheng (1729 A.D.), the people of xigufan were Muhua, who organized the people into Li, and set up Fu Yi Tongzhi, who was subordinate to gongchang Prefecture. In the first year of Qianlong (1736 A.D.), Xi Gu was cut off and Yi Tongzhi was pacified.

Republic of China: in 1913, Xigu Prefecture was divided into Xigu County, which was subordinate to Longnan road. In July 1927, Xigu county was put under the first administrative supervision district (Minxian county was governed by the office of the Commissioner). In 1942, Xigu county was divided into the eighth administrative supervision district (the office of the Commissioner ruled Wudu) until 1949.

People's Republic of China: on December 9, 1949, Xigu county was liberated, and the people's Government of Xigu county was established, under the jurisdiction of Wudu district.

In June 1954, with the approval of the Government Affairs Council, Xigu County moved to Dangchang. On November 13, Xigu county changed its name to Dangchang county.

On April 8, 1958, the State Council decided to abolish Wudu Commissioner's office, and Dangchang county was assigned to Tianshui Commissioner's office.

On December 20, 1958, Dangchang county and Min county were merged and assigned to Dingxi District.

On December 15, 1961, the organizational system of Dangchang county was restored and assigned to Wudu district.

On May 14, 1985, Wudu area was renamed Longnan area.

In 2004, the land was removed to build the city, and Dangchang county was under the jurisdiction of Longnan City.

In 2014, Chengguan town and Hadapu town were listed as national key towns. In the same year, the demonstration meeting of county name "Dangchang" in Gansu Province was held in Beijing. The experts at the meeting agreed to recognize the "t à n" pronunciation of "Dang" in common dictionaries, dictionaries and other Chinese character reference books. When reading "t à n", it was annotated as "t à NCH à ng", the county name of Gansu Province ".

On the morning of November 21, 2020, the Information Office of Gansu provincial government held a press conference to announce the withdrawal of Dangchang county from the poverty-stricken county sequence.

administrative division

As of 2016, Dangchang county has jurisdiction over 11 towns, 13 townships, 1 ethnic township and 336 villages.

geographical environment

Location context

Dangchang county is located in the south of Gansu Province and the northwest of Longnan City. It is between 104 ° 01 ˊ E and 104 ° 48 ˊ E and 33 ° 46 ˊ N and 34 ° 23 ˊ n, 90 km long from north to South and 74 km wide from east to west, covering a total area of 3331 square kilometers. It borders Li County in the East, Zhouqu County and Diebu County in Gannan Prefecture in the west, Wudu District in the South and Min County in Dingxi City in the north. Dangchang county is 2134 km away from the capital Beijing, 244 km away from the provincial capital Lanzhou, with 341 km of highway mileage, and 91 km away from Wudu District, the seat of Longnan municipal government, with 110 km of highway mileage.

topographic features

Dangchang county is located at the edge of the Qinghai Tibet Plateau and the crisscross zone of the West Qinling Mountains and the Minshan mountains. In addition, due to the long-term erosion and cutting of the Minjiang River and Bailongjiang River, the county has undulating mountains, crisscross gullies, complex topography and remarkable mountain features. The terrain inclines from northwest to Southeast. The terrain consists of mountains, hills and valleys. There are deep mountains and valleys in the South and loess hills in the north. The altitude of the county is between 1138 and 4154 meters, with an average altitude of 2300 meters. The highest is Leigu mountain, with an altitude of 4154 meters. The lowest is Shawan shuidongligoukou, with an altitude of 1138 meters. The altitude of the county is 1748 meters.

climate

Dangchang county is the transition zone of north subtropical climate, temperate climate and plateau climate, with significant vertical climate and great difference between North and south. It is generally temperate continental climate, with mild and humid climate. According to the climate division of Gansu Province, it belongs to the temperate humid area of South Gansu. The average annual temperature is 9.3 ℃, the average annual precipitation is 583.9 mm, the average annual relative humidity is 66%, the average annual sunshine is 1986.5 hours, the average annual frost free period is 181 days, and the maximum frozen soil depth is 45cm.

hydrology

The water resources in Dangchang belong to the Jialing River system of the Yangtze River Basin. The catchment area of the county is composed of Bailong River and Xihan river. There are 78 rivers, including Bailong River, Minjiang River and Lianggong river. Among them, there are 16 rivers with the drainage area of more than 50 square kilometers and the extreme dry flow of more than 0.1 cubic / second, which are characterized by large longitudinal slope, long flow and concentrated drop. There are abundant underground water sources, with 66.7 million cubic meters of underground water and clean water quality. According to the analysis of water quality test, 97% of the water in the county is fresh water with salinity of 1-2gl; 3% is slightly alkaline water with salinity of 2-5gl

Chinese PinYin : Gan Su Sheng Long Nan Shi Dang Chang Xian