Changning City, Hengyang City, Hunan Province

Changning Changning, subordinate to Hunan Province, is a county-level city managed by Hengyang City. Located in the south of Hunan Province and on the South Bank of the middle reaches of Xiangjiang River, it is bounded by Leiyang City across chonglingshui in the East, Guiyang County of Chenzhou City in the south, Qiyang County of Yongzhou City in the west, Xiangjiang River in the north, Qidong County and Hengnan County in the North. In 2020, Changning will have jurisdiction over 14 towns, 4 townships and 5 streets. The terrain in the territory is high in the South and low in the north, roughly in a two-step ladder distribution, belonging to subtropical monsoon humid climate. It is located between 26 ° 07 'n and 26 ° 36' n and 112 ° 07 'e and 112 ° 41' E. It covers an area of 2046.6 square kilometers.

Changning is the hometown of Camellia oleifera, Nanzhu Cunninghamia lanceolata, a city with free public transportation, the second batch of pilot county-level cities for comprehensive commercial administrative law enforcement, and the third batch of resource exhausted cities in China.

In 2018, Changning's GDP was 33.193 billion yuan, with a permanent resident population of 805000.

On October 22, 2018, it was selected into the list of pilot areas for the integrated development of rural primary, secondary and tertiary industries in 2018. On January 9, 2019, he was selected into the list of "hometown of Chinese folk culture and art" from 2018 to 2020 by virtue of print. Tiantangshan Xijiang scenic spot has been rated as a provincial scenic spot.

On March 6, 2019, the Central Propaganda Department, the Ministry of finance, the Ministry of culture and tourism, and the State Administration of cultural relics issued the notice of the Central Propaganda Department, the Ministry of finance, the Ministry of culture and tourism, and the State Administration of cultural relics on publishing the list of counties for the protection and utilization of revolutionary cultural relics (the first batch). On January 29, 2021, it was selected into the list of areas with remarkable achievements in real work in 2020 announced by Hunan Provincial People's government.

Historical evolution

Changning City site appeared in Shang and Zhou dynasties.

In the Qin and Han Dynasties, it belonged to Leiyang county. Wu Sun Liang of the Three Kingdoms analyzed that Xinning and Xinping were located in the southwest of Leiyang.

In the 20th year of the Eastern Jin Dynasty (396), Xinping was founded in Xinning County.

In the first year of Tang Tianbao (742 AD), Xinning was changed to Changning. The Five Dynasties and the Song Dynasty belonged to the state of Changsha.

In the 19th year of the Yuan Dynasty (1282), it was promoted to the state of Xuanwei in Hunan Province.

In the third year of Hongwu (1370) of the Ming Dynasty, he was demoted to the county in March, and was under the Department of Huguang political envoy.

In 1937, it was the second administrative supervision district of Hunan Province.

On October 12, 1949, Changning was peacefully liberated, belonging to the South Hunan special region.

After the founding of new China, 10 districts and 174 townships were set up in Changning.

In April 1952, it was transferred to the southern Hunan administrative region.

In December 1952, there were 11 districts, 2 towns and 172 townships.

In July 1954, it belonged to the South Hunan special region.

In June 1956, the district was withdrawn and the township was merged. There were two towns and 45 townships in the county.

In September 1961, the district system was restored, with nine districts and two towns.

In 1978, Changning County set up nine districts, two district level towns, 59 people's communes and 919 production brigades.

On November 26, 1996, with the approval of the State Council, Changning County was removed and Changning City was established.

administrative division

Division evolution

In 1958, the township was withdrawn and the government and society were integrated. There were 15 people's communes in the county.

In 1982, Baisha Town and Baifang town were restored.

In 1984, the administrative society was set up separately, and the Township People's government was set up in the township. The production brigade below the township level was changed into a villagers' committee, and the production team was changed into a villagers' group. Below the town level, there are still residents' committees and groups. In the same year, Baifang township was merged into Baifang town.

In May 1985, Yintian, huting and Banqiao townships were abolished and Yintian, Yanhu and Banqiao townships were established. In August, Tashan township was set up as puzhuyao township. In December, Yangquan town was abolished and dashiping township was renamed as dashiping township.

In December 1986, two townships of Guanling and Xinzhou were abolished and two towns of Guanling and Xinhe were established.

In 1990, there were 9 districts, 3 district level towns, 7 township level towns, 51 townships and 1 Yao nationality township in the county.

In 1991, there were 9 districts, 3 district level towns, 7 township level towns, 51 townships and 1 ethnic township in the county.

In December 1993, three townships of delotang, Yanzhou and Luoshi were abolished and three towns of delotang, Yanzhou and Luoshi were established.

In May 1995, the nine district offices of Yiyang, Baifang, Shuikoushan, Yintian, Luoqiao, Banqiao, Guanling, Yangquan and Xinzhou were abolished, the administrative system of Yanhu town was retained, and Chengguan town was renamed Yiyang town.

In December 1995, Xiling township was abolished and Xiling town was established.

In March 1996, Miao Qian and Sheng Qiao townships were abolished and Miao Qian and Sheng Qiao townships were established.

In 1996, Xiling, Miaoqian and Shengqiao successively set up towns and townships, and each set up a neighborhood committee.

In 2008, Yiyang town was abolished and three sub district offices of Yiyang, Quanfeng and Peiyuan were set up, Shuikoushan sub district office of Songbai town and Tiantangshan scenic spot management office of Yangquan town.

In 2015, according to the township division adjustment plan of Changning City, "Yitan Township and Yiyang Street" formed a system and merged to establish "Yiyang Street". "Songbai Town, Shuikoushan Street" formed a system and merged to establish "Shuikoushan town". "Salt Lake Town and sanjiaotang town" formed an organic system and merged to establish "sanjiaotang town". "Jianghe Township and Xinhe Town" formed an organic system and merged to establish "Xinhe Town". "Miquan Township and Tashan Yao township" formed a system and merged to establish "Tashan Yao township".

Zoning details

By the end of 2020, Changning has jurisdiction over 5 streets, 14 towns and 4 townships. Changning Municipal People's government is located in Yiyang street.

Streets: Yiyang street, Quanfeng street, Peiyuan street, Qutan street, Tiantangshan street.

Towns: Baifang Town, Shuikoushan Town, Yanzhou Town, Yintian Town, Baisha Town, Xiling Town, sanjiaotang Town, Yangquan Town, Miaoqian Town, Luoqiao Town, Banqiao Town, Shengqiao Town, Guanling Town, Xinhe Town.

Township: Pengtang Township, Lanjiang Township, Dabao Township, Tashan Yao township.

physical geography

Location context

Changning City is located in the south of Hunan Province, southwest of Hengyang City, on the right bank of the middle reaches of Xiangjiang River. It is separated from Leiyang City by chonglingshui in the East, Guiyang County in the south, Qiyang County in the west, Xiangjiang River in the north, Qidong County and Hengnan County in the north. It is located at 26 ° 07 ′ - 26 ° 36 ′ N and 112 ° 07 ′ - 112 ° 41 ′ E. Changning covers an area of 2046.6 square kilometers, accounting for about 1% of the total area of Hunan Province.

topographic features

Changning is high in the South and low in the north, roughly in a two-step ladder distribution. In the south, there are Tashan and Dayi mountains, which are the remnants of Nanling Mountains, respectively in the north-east and South-North directions. Between the two mountains, there is a low valley of West Lake in front of the temple. It is the main road between Changning City and Guiyang County. There are 16 peaks with an altitude of more than 1000 meters, and 63 peaks with an altitude of less than 1000 meters to 100 meters In the north, the plain is crisscross with hills, and the elevation is mostly below 200 meters. The topography is undulating, which is the second step. There are three types of terrain in Changning City: mountainous area, hilly area and plain area. The mountainous area, hilly area and plain area account for 37.6%, 26% and 37.4% of the total area of Changning City respectively.

geology

The geological strata in Changning are complex, from Cambrian of Paleozoic to Quaternary of Cenozoic, except tertiary of Cenozoic. The rocks are mainly sedimentary rocks, accounting for about 80%. They are exposed in different geological periods from Paleozoic to Cenozoic. The distribution of igneous rocks is small, with dozens of rock bodies exposed, covering an area of about 428 square kilometers. They are mainly granite, accompanied by medium to acid granodiorite and a small amount of basic lamprophyre and basaltic precious rocks. Geotectonics, belonging to the Caledonian fold area of South China, is the northern end of South China fold system Leiyang Linwu north-south fold belt and the southern edge of Hengyang basin. It is divided into Caledonian structural layer, Hercynian Indosinian structural layer and Yanshan structural layer.

soil

There are 9 soil types, 22 soil genera and 233 soil species in Changning City. The zonal soil mainly includes mountain meadow soil, yellow brown soil, yellow soil and red soil. The non zonal soils are mainly black calcareous soil, red calcareous soil, purple soil, paddy soil and fluvo aquic soil. In Changning City, paddy soil, red soil, purple soil and yellow soil are widely distributed and have the highest utilization rate.

hydrology

Changning has a complete water system and dense river network. The runoff of rivers is mainly supplied by rainwater. The precipitation in flood season is relatively concentrated, while that in non flood season is less. There is a wide gap between flood and dry seasons. The annual water level varies greatly. Generally, the high water level occurs from April to July, and the low water level occurs from October to February. Yangquan reservoir is the largest reservoir in Changning City, and Chaoying reservoir is the second largest reservoir. The water level of the main stream of Xiangjiang River ranges from 11.00 m to 15.51 m, with an average flow of 1370 s / m3. The maximum flow is 18100 s / m3, the minimum flow is 30 s / m3, and the annual average flow is 48.74 billion m3. The general trend of spatial and temporal distribution of runoff is the same as that of precipitation. The runoff is mainly concentrated in spring and summer. The runoff from April to July accounts for more than 60% of the annual runoff, and the annual average sediment concentration is high The quantity is generally 0.1-0.5 kg / m3, and the main stream is lower than the tributary. Xiangjiang River section and its tributaries are suitable for drinking water. Tanshui, Wushui and Chongling water are of good quality, with pH value about 7.2.

climate

Changning has a subtropical monsoon humid climate with four distinct seasons and abundant rainfall. However, due to the fact that Tashan and DAYISHAN stretch in the South and the low basin in the middle, the weather is changeable in spring and autumn. The annual precipitation, temperature, sunshine and other meteorological elements are changeable.

natural resources

land resource

By 2010, according to the natural attributes of land, Changning had 37910 hectares of arable land suitable for agriculture, accounting for 18.52% of the total area; 91950 hectares of land suitable for forestry, accounting for 44.1% of the total area; 14440 hectares of inland water, accounting for 7.05% of the total area

Chinese PinYin : Hu Nan Sheng Heng Yang Shi Chang Ning Shi