Dingxi City, Gansu Province

Dingxi Dingxi, commonly known as "Longzhong", is a prefecture level city under the jurisdiction of Gansu Province, an important node city in Gansu section of the Silk Road Economic Belt approved by Gansu Provincial People's government, and a central city in Longzhong region. By 2019, it has jurisdiction over one district and six counties, with a total area of 20330 square kilometers, a permanent resident population of 2.8258 million and an urban population of 1.0279 million.

Dingxi is located in Northwest China, central Gansu Province, at the intersection of the Loess Plateau, the Qinghai Tibet Plateau and the West Qinling Mountains. It is the regional central city determined by Gansu Province, the core area of the national comprehensive experimental zone for the development of traditional Chinese medicine industry, and the first batch of regional potato breeding bases in China. It is known as the "gateway of Lanzhou and the throat of Gansu".

Dingxi has a long history and rich cultural tourism resources. It has a history of more than 2200 years since the Qin Dynasty set up Longxi County in the Warring States period. It is an important birthplace of the Yellow River civilization of the Chinese nation, the naming place of Majiayao culture, the place of Li's root seeking and ancestor worship, the intersection of prehistoric cultures such as Qijia, Siwa and Xindian, and an important distribution center of calligraphy and painting works in China.

In 2019, Dingxi's GDP will reach 41.638 billion yuan, an increase of 6.2% over the previous year. The added value of the primary, secondary and tertiary industries was 7.798 billion yuan, 6.626 billion yuan and 27.214 billion yuan respectively, up 6.2%, 3.5% and 7% respectively over the previous year. The ratio of the three industrial structures is 18.7:15.9:65.4, and their contribution rates to economic growth are 19.5%, 9.6% and 70.9% respectively. According to the resident population, the per capita GDP was 14746 yuan, an increase of 5.9% over the previous year.

Historical evolution

The origin of the name

Dingxi gets its name from the meaning of "Anding xibian", which is commonly known as "Longzhong".

Evolution of organizational system

In the 28th year of emperor Zhaoxiang of Qin Dynasty (279 BC), Longxi County was set up. The county governs Didao (now Lintao), which governs the whole territory of Dingxi. Because its county governs in the west of Longshui, it is named "Longxi". After that, Dingxi belonged to Longxi and Qinzhou for a long time.

During the period of Wu Hu and 16 states, there were frequent wars, and Dingxi belonged to the regimes of Qianliang, Houliang, Qianzhao, houzhao, qianqin and houqin.

Dingxi belonged to Qinzhou and Hezhou in the northern and Southern Dynasties. Weizhou was set up in the first year of Jianming (530) in the Northern Wei Dynasty.

In 618, Emperor Gong changed Lintao county to minzhou.

In the first year of Tang Tianbao (742), minzhou was changed to Hezheng county. Minzhou was restored in the first year of Qianyuan (758). In the second year of Shangyuan Dynasty (761), Tubo conquered minzhou, then Linzhou and Weizhou were trapped in Tubo one after another. Tubo ruled Dingxi for more than 300 years.

In the fourth year of Yuanfeng (1081) of the Northern Song Dynasty, the song army recovered the old place of Xixia. The name of Dingxiang city (now dingxicheng District) was given by Emperor Shenzong of the Song Dynasty, which was the beginning of the name of Dingxi.

In the fourth year of Jin Zhenyou (1216), Dingxi County was promoted to Dingxi Prefecture.

Dingxi belonged to Shaanxi Province in Yuan Dynasty. In 1352, Xizhou was changed to anding due to the earthquake.

In 1377, the state was reduced to a county.

Dingxi of the Qing Dynasty belonged to gongchang Prefecture, the Minister of Chengxuan government of Shaanxi Province.

In 1914, Anding county was changed to Dingxi County, belonging to Lanshan Road, Gansu Province. In 1936, it was the first administrative inspector's office in Gansu Province. In 1944, it became the ninth Office of the Commissioner of administrative supervision. In September 1949, the original Huining district was renamed Dingxi District, and the special office was moved from Huining to Dingxi.

After liberation, in 1949, Dingxi District was set up, with a special office in Dingxi County. It has jurisdiction over Dingxi, Huining, Yuzhong, Jingning, Jingyuan, Haiyuan, Xiji and other seven counties. In 1950, Jingning, Haiyuan and Xiji counties were assigned to Pingliang district; Lintao and Taosha counties, which were originally Linxia District, and Huichuan and Weiyuan counties, which were originally Minxian District, were assigned to Dingxi District; Taosha county was abolished and merged into Lintao County; Dingxi District governed seven counties.

In 1956, Gaolan County, which was originally under the direct control of the province, Yongdeng and Jingtai counties, which were originally under the jurisdiction of Zhangye District, and Longxi and Tongwei counties, which were originally under the jurisdiction of Tianshui District, were included in Dingxi District.

In 1958, some parts of Gaolan and Jingyuan counties merged to establish Baiyin City, which was originally under the direct control of the province, and later entrusted to Dingxi special district. Jingtai County, Gaolan county and Yongdeng County were abolished, and Jingtai County was merged into Gaolan County, Gaolan County into Lanzhou City and Baiyin City, and Yongdeng County into Lanzhou city. Huichuan county and Weiyuan County will be abolished, Sichuan county will be merged into Wushan County and Weiyuan County, and Weiyuan County will be merged into Longxi County and Lintao county. Minxian County, which originally belonged to Tianshui District, was included in Dingxi District. It has jurisdiction over one city and eight counties.

In 1960, Jingyuan County was under the leadership of Baiyin City. In 1961, Baiyin city was directly under the provincial government; Gaolan and Jingtai counties were restored under the leadership of Baiyin City; Lintao and Minxian counties were assigned to Lintao district; Dingxi District governed five counties. In 1963, Jingyuan County and Gaolan County under the leadership of Baiyin City and Lintao county and Weiyuan County under the former Lintao district were divided into Dingxi District; Dingxi District governs 9 counties.

In 1970, Dingxi District was renamed Dingxi District; Yuzhong and Gaolan counties were put under the leadership of Lanzhou City; Dingxi District governs Dingxi, Jingyuan, Huining, Tongwei, Longxi, Weiyuan and Lintao counties.

On April 4, 2003, Dingxi District was abolished and prefecture level Dingxi City was established. Dingxi City governs Tongwei County, Longxi County, Weiyuan County, Lintao County, Zhangxian County, Min county and Anding District.

administrative division

As of 2017, it has jurisdiction over Anding District, Tongwei County, Longxi County, Weiyuan County, Lintao County, Zhangxian county and Minxian county;

As of 2016, it has jurisdiction over 119 townships, 2 subdistrict offices, 1888 villagers' committees and 75 community neighborhood committees;

Resident of the Municipal People's Government: No. 31, Zhonghua Road Street, Anding District.

geographical environment

Location context

Dingxi City is located in the middle of Gansu Province, known as "Longzhong" in ancient times. It is adjacent to Tianshui City in the East, Lanzhou City in the west, Baiyin City in the north, Longnan City in the south, Gannan Prefecture and Linxia Prefecture. Located between 34 ° 26 '- 35 ° 35' n and 103 ° 52 '- 105 ° 13' e, the city covers a total area of 20330 square kilometers.

topographic features

Dingxi City is affected by Qinling, Qilian fold, Liupanshan branch and Loess Plateau, with complex landform, rolling hills, crisscross gullies, crisscross hills, ridges, beams, peaks, Xian, dun, Zui, Ding, Jian, Po, Ping, Tai, ya, Geng, Bi, Gou, Cha, Wan, Bi, Tan, Keng, Chuan, valley and other landforms. Dingxi is located in the intersection of the Loess Plateau and the West Qinling Mountains, with large undulating terrain, crisscross mountains and different shapes. In the north of Dingxi, Longxi, Tongwei, Lintao and Weiyuan counties, because the natural region belongs to the Loess Hilly and gully region, there are stone, semi stone low and Zhongshan mountain belts interspersed among them. Ling and Liang are large mountains with undulating ridges and steep slopes. The basin and platform of Dingxi River Valley include terraces at all levels belonging to the Yellow River and Yangtze river basins, four water systems and their main tributaries.

climate

Dingxi City is located in the hinterland of the inland, with complex terrain and great climate difference. It is dry and rainy in the north central region, cold and humid in the south. Its climate type belongs to the north temperate semi humid to the middle temperate semi-arid region, and the continental monsoon climate is obvious. The general characteristics are rich in light energy, lack of heat resources, the same season of rain and heat, rare and variable precipitation, dry climate and frequent meteorological disasters. The average annual temperature is 5.7 ~ 7.7 ℃, the frost free period is 122 ~ 160 days, the average annual rainfall is 350 ~ 600mm, mainly in July, August and September, and mostly in the form of rainstorm, and the evaporation is more than 1400mm. Taking Weihe River as the boundary, it can be roughly divided into two natural types: Loess Hilly and gully region in the north and alpine and humid region in the south. The former includes Anding District, Tongwei County, Longxi County, Lintao county and Weiyuan County. The northern part accounts for 60% of the total area of the whole region, which is a mid temperate semi-arid area with less precipitation, sufficient sunshine and large temperature difference; the latter includes Zhangxian County, Minxian county and southern Weiyuan County, accounting for 40% of the total area of the whole city, which is a warm temperate semi humid area with high altitude and low temperature. The extreme maximum temperature is 33.0 ℃～ 36.1 ℃, the extreme minimum temperature is - 29.7 ℃～ - 22.6 ℃, and the annual average sunshine hours is 2114-2433 hours.

natural resources

water resource

Dingxi City is poor in water resources, with an annual per capita possession of more than 600 cubic meters, and an average annual possession of 140 cubic meters per mu of cultivated land. In the north, it is extremely short of water, with poor water quality, large mud content, and large amount of agricultural land, which requires a large amount of water. In the south, water resources are relatively abundant, water quality is good, sediment content is small, agricultural land is small, water demand is small, and the contradiction between water supply and demand is not big. The distribution of precipitation in Dingxi Area is characterized by more in the South and less in the north, and more in the mountain area than in the river valley. According to its destination, rivers belong to the Yellow River and Yangtze River Basins and four water systems. The catchment area of the Yellow River Basin is 20106.37 square kilometers, accounting for 98.9% of the total land area in the region. It is divided into three water systems: Taohe River, Weihe River and the main stream of the Yellow River. With a catchment area of 223.63 square kilometers, the Yangtze River Basin is located in the upper reaches of Qiushan River, a tributary of the Jialing River.

Animal resources

There are more than 300 species in Dingxi City. Among them, there are 10 species of amphibians in 4 families of 2 orders, 12 species of reptiles in 7 families of 3 orders, 272 species of birds in 47 families of 17 orders and 70 species of mammals in 19 families of 6 orders. Amphibians such as Hynobius tibetanus, Bufo gargarizans subsp. Huaxi, Chinese subsp. Minshan, Rana chensinensis, Rana nigromaculata, etc. Among the reptiles, Lizard Gecko family has duopang gecko, Skink family has Kangding lizard, lizard family has lizard, snake family has lizard, swimming snake family has yellow green snake, king snake, white snake, frog family has Agkistrodon halys short tail subspecies, iron head. There are 240 species of birds, mainly egrets, herons, egrets

Chinese PinYin : Gan Su Sheng Ding Xi Shi