Shimian County, Ya'an City, Sichuan Province

Shimian County, subordinate to Ya'an City, Sichuan Province, is located in the east of Hengduan Mountains on the Qinghai Tibet Plateau, the middle reaches of Dadu River, and the southwest of Ya'an City. Its geographical coordinates are 101 ° 55 ′ - 102 ° 34 ′ E and 28 ° 51 ′ - 29 ° 32 ′ n. Shimian County covers a total area of 2678 square kilometers. It is a mountainous climate with a mid latitude subtropical monsoon climate as the base. It has concentrated summer rain, more rain at night, less storm and no autumn rain By the end of 2017, Shimian County had jurisdiction over 1 Street, 1 town, 5 townships and 10 ethnic townships, and the county government was stationed in Miancheng street. As of 2018, the total registered residence of the county was 128 thousand and 800.

In the 13th year of Daoguang (1833) of the Qing Dynasty, the land of the fourteen fortresses was set up in Shunhe township. At the end of the Qing Dynasty, it was "ready for constitutionalism". Shunhe became an autonomous Township, and the north bank was all the territory of Shunhe township. In the third year of the Republic of China (1914), Qingxi county was changed into Hanyuan County, belonging to Shunhe Township, South District of Hanyuan County. On May 9, 1952, the Government Affairs Council approved the formal establishment of Shimian County. In January 1956, wanggangping was transferred from Hanyuan County to Shimian County, and the county was fixed. In 2013, it was rated as the advanced county of "agriculture, rural areas and farmers" and "biogas County of Sichuan Province" by the provincial government. Shimian County specialty chestnut, walnut, citrus and Gastrodia elata, Fritillaria, rhubarb, Cordyceps and other valuable medicinal materials. There are giant panda, red panda, musk deer, leopard, bear and other rare animals under state protection. The famous people in Shimian County are Lai Ning and Lai Zhi. In September 2016, Shimian County was included in the national key ecological function area.

In 2018, Shimian County achieved a GDP of 8.822 billion yuan, an increase of 8%; completed investment in fixed assets of 5.104 billion yuan; local general public budget revenue of 562 million yuan, an increase of 21.7%; total retail sales of consumer goods of 2.272 billion yuan, an increase of 10%; per capita disposable income of urban residents of 30589 yuan, an increase of 8.4%; per capita disposable income of rural residents of 12616 yuan, an increase of 9.3%.

In July 2020, it was reconfirmed as "National Health township (county) in 2019" by the National Patriotic Health Campaign Committee.

Historical evolution

In the Western Han Dynasty (260-24 BC), the war broke out at the end of Qin Dynasty, and the former Xiaofang state was divided again. The county was the zuodou Marquis state, and its tribe was led by the "Junchang".

In the sixth year of Jianyuan (135 BC), Sima Xiangru set up a Duwei in Qiongzhou and zuozhou. This was the beginning of ruling Yi. He led more than ten counties and belonged to Shu.

In the first year of Yanguang (122) of the Eastern Han Dynasty, there were two Duwei, the Duwei of Shu County, which ruled Qingyi and belonged to the county.

In 133, the second year of emperor Shundi's Yangjia reign, Hanjia Prefecture was established as Shu Prefecture, and the county belonged to Hanjia Prefecture until Shu and Hanli.

In 266 (the second year of Taishi in the Western Jin Dynasty), along the Shuhan system, Maoniu County belonged to Hanjia County of Yizhou, the north bank belonged to the same, and the south bank belonged to qiongdu County of Yueyi county.

In the first year of Qiande of Song Dynasty (963), it set up Hanyuan County of Lizhou, linghanyuan county and seven towns (military).

In 1265, it was still located in Lizhou. In the 25th year of the Zhiyuan Dynasty (1288), the chieftain system of Lizhou was established, which was the beginning of the Tusi system.

In the Ming Dynasty (1368-1644) and the fourth year of Hongwu (1371), Daxia was destroyed in July. In the Ming Dynasty, the governor of Lizhou was set up under the yuan system.

In the 11th year of Hongwu (1378) of the Ming Dynasty, he was promoted to the Department of appeasement.

In the 15th year of Hongwu (1382) of the Ming Dynasty, the Dadu River military and civilian garrison was set up by the pacification department.

In the seventh year of Yongzheng reign (1729) of the Qing Dynasty, the county of Qingxi was set up under the jurisdiction of Lida, and the local chieftains (Datian chieftains) in Lizhou remained the same.

In 1752, Qianlong of the Qing Dynasty, thousands of households fell to hundreds of households. On the north bank, there were all the 13 divisions belonging to the "foreign" 14 divisions (one of them, huochangba, now belongs to Hanyuan County).

In the 13th year of Daoguang (1833) of the Qing Dynasty, the land of the fourteen fortresses was set up in Shunhe township. At the end of the Qing Dynasty, it was "ready for constitutionalism". Shunhe became an autonomous Township, and the north bank was all the territory of Shunhe township.

In the third year of the Republic of China (1914), Qingxi county was changed into Hanyuan County, belonging to Shunhe Township, South District of Hanyuan County.

In 1927, there were 100 households in Tusi and laoyaxuantu, belonging to 7 districts and 2 regiments.

In 1936, the League a system was abolished and the joint insurance system was implemented. On the north bank, there are Meiluo and Dachong joint insurances in the third district of Hanyuan County: Meiluo joint insurances have 16 and 160 insurances, Dachong joint insurances have 4 and 52 insurances; on the south bank, there are Anshun and ximagu joint insurances in the third district of Yueyi county (Anshun district office is located in Anshun town): Anshun joint insurances have 8 and 83 insurances, and ximagu joint insurances have 6 and 60 insurances.

In 1941, the new county system was implemented, and the joint insurance system was changed into township. The north bank is still subordinate to the third district of Hanyuan County, Meiluo township is changed to Meiluo Township, Dachong township is changed to fengle township; the south bank is still divided into districts, Anshun township is changed to Anshun Township, and ximagu township is changed to Jiulong township. It was subordinate until liberation.

In March 1950, the county was liberated, and the subordinate and township system followed the old system.

On July 1, 1950, fengle Township and Meiluo Township jointly set up the Fourth District of Hanyuan County, and the district government was stationed in Meiluo town.

In March 1951, fengle township was divided into Anle Township and Taiping Township. Meiluo township was divided into Meiluo Township, Zaiyang Township, bapai Township and Anjing township. The district system remains unchanged and governs six townships.

In February 1951, Yueyi county changed the old seventh district into the Fifth District. Anshun township was divided into Anshun and Tianwan townships, and Jiulong township was divided into Jiulong Township and naerba township. The district government moved to the farm (now the county seat).

On June 25, 1951, the 13th Executive Council of Xikang provincial government decided to build Shimian County.

On May 9, 1952, the Government Affairs Council approved its formal establishment.

In November 1952, Menghuo village of jinliziping township was transferred from Mianning County to Shimian County.

In August 1954, the land with 31 people and 30 mu of 6 households in Tianwan township was assigned to Luding County.

In January 1956, wanggangping was transferred from Hanyuan County to Shimian County, and the county was fixed.

In 1986, it was approved by the provincial government to enjoy the treatment of Minority Counties.

administrative division

Division evolution

In November 1952, Menghuo village of jinliziping township was transferred from Mianning County to Shimian County.

In August 1954, Tianwan township was assigned to Luding County.

In January 1956, wanggangping was transferred from Hanyuan County to Shimian County, and the county was fixed.

Zoning details

As of 2018, Shimian County has jurisdiction over 1 Street, 1 town, 5 townships and 10 ethnic townships, and the county government is stationed in Miancheng street.

geographical environment

Location context

Shimian County is located in the east of Hengduan Mountains, the middle reaches of Dadu River and the southwest of Ya'an City. Its geographical coordinates are 101 ° 55 ′ - 102 ° 34 ′, 28 ° 51 ′ - 29 ° 32 ′. The maximum horizontal distance between East and West is 60 km, and the maximum vertical distance between North and south is 76.5 km. Covering an area of 2678 square kilometers, it is located in the southwest of Sichuan Province, the southernmost tip of Ya'an City, the southern foot of Gongga Mountain and the middle reaches of Dadu River. It is located in the border of Ya'an City, Liangshan Yi Autonomous Prefecture and Ganzi Tibetan Autonomous Prefecture. It is adjacent to Hanyuan County and Ganluo County in the East, Yuexi County and Mianning County in the south, Jiulong County and Kangding city in the west, and Luding County in the north.

Topography

The terrain of Shimian County is high in the southwest and low in the northeast, and the mountains are mostly north-south. In the southwest, the terrain is high and straight, with great fluctuation and many peaks. The main peak of shenxianliangzi is 5793 meters above sea level, which is the highest peak of Ya'an City; the exit of Dadu River is the lowest point, which is 780 meters above sea level. The middle mountain area (1000-3500 meters above sea level) accounts for about 78% of the total area. The Valley Flat dam is mainly located along the Dadu River, accounting for about 2% of the total area. The main geomorphological features are complex and diverse mountain landforms, especially the middle and high mountains.

climate

Shimian County has a mountain climate with mid latitude subtropical monsoon climate as the base band. Due to the influence of topography, the vertical distribution of climate is obvious. Dadu Valley has a great influence on the source of water vapor, wind speed and direction, forming the following climatic characteristics: (1) subtropical climate with high annual temperature; (2) monsoon climate with less average precipitation; (3) concentrated summer rain, more rain at night, less storm and no continuous autumn rain; (4) drought in winter and spring, strong mountain wind, more rain in summer and autumn and no intense summer heat; (5) The temperature decreases with height and the precipitation increases with height. Take the county as an example: the annual average temperature is 17.1 ℃, the precipitation is 777.4 mm, the annual sunshine hours is 1245.6 hours, the frost free period is 326 days, the annual evaporation is 1573 mm, the hottest month is August, the average temperature is 24.7 ℃, the coldest month is January, the average temperature is 8 ℃.

hydrology

Shimian County is one of the counties rich in water resources in China. The main stream of Dadu River in Shimian County is 79 kilometers long, with an average annual inflow of 33.056 billion cubic meters. There are 27 tributaries of Dadu River with a drainage area of more than 30 square kilometers, with a total length of 530.6 kilometers. The theoretical reserves of hydropower in the county are 6.8 million kilowatts, and the exploitable capacity is 5.4 million kilowatts. Among them, the total installed capacity of Dadu River is 3.58 million KW, that of Nanya river is 790000 kW, that of Tianwan river is 760000 kW, that of Songlin river is 581200 kW, and that of Shimian County is 3192000 kW.

natural resources

mineral resources

Shimian County is rich in mineral resources, including metal, non-metal and energy minerals. The main metal ores are gold, copper, Bismuth Tellurite, iron ore and lead-zinc ore. The average grade of gold ore is 3 g / T, and the prospective ore volume is more than 25 million tons. There are no independent copper deposits and occurrences in the territory, all of which are Polymetallic Copper Mineralization points

Chinese PinYin : Si Chuan Sheng Ya An Shi Shi Mian Xian