Yun County, Lincang City, Yunnan Province

Yunxian County, a county under the jurisdiction of Lincang City, Yunnan Province, is located in the southwest of Yunnan Province and at the junction of Dali, Pu'er and Lincang. It is a mountainous county with subtropical monsoon climate and warm temperate monsoon climate in low latitude plateau. It covers a total area of 3760 square kilometers and has jurisdiction over 7 towns and 5 townships. In 2018, it has a permanent population of 466700.

Yunxian County is the main traffic road in Lincang area and the north gate of the vast hinterland of Yunnan Province. Lancang River, high mountains, river valleys and hot dams form a special three-dimensional climate and natural scenery. There are Daxue mountain, Dabing mountain primeval forest, Nago River, Wenzhu River, Nayu River, river valley and warm spring in Yunxian County. There are also Tonggu, tongspear, pottery of yuan and Ming Dynasties, Maolan Changan bridge, Wenbi tower of the county, and Guquan Old mosque, majestic Dawu temple and other cultural relics and cultural landscape. On September 29, 2018, according to the research of Yunnan provincial Party committee and government, Yunxian County has reached the relevant indicators of poverty-stricken county exit, met the exit conditions of poverty-stricken county, and approved to exit from poverty-stricken county.

In 2018, Yunxian achieved a GDP of 10.521 billion yuan, an increase of 9.6% on a year-on-year basis at comparable prices; the added value of the primary industry was 3.219 billion yuan, an increase of 6.1% on a year-on-year basis; the added value of the secondary industry was 3.667 billion yuan, an increase of 10.9% on a year-on-year basis; the added value of the tertiary industry was 3.637 billion yuan, an increase of 11.2% on a year-on-year basis.

Historical evolution

Yunxian County, known as Dahou in ancient times, is one of the thirteen villages of Mengyou Puman tribe.

In the Western Han Dynasty, it belonged to Ailao District of Yizhou county.

In the Eastern Han Dynasty, it belonged to Yongchang County in the Three Kingdoms and two Jin Dynasties.

The Sui Dynasty belonged to Pubu.

In Tang Dynasty, it was ruled by Nanzhao and belonged to Yongchang Jiedu.

Song Dali belongs to Yongchang County.

Yuan Zhongtong years belong to Luchuan road.

The Ming and Qing Dynasties belonged to shunning Prefecture. In the 24th year of Hongwu (1391) of Ming Dynasty, there was a lawsuit against the Marquis, and in the 2nd year of Yongle (1404), the letter was issued. Xuande four years (1429) in May was promoted to Dahou Yuyi state, Zhili chief secretary, Ming Wanli 26 years (1598) abolished Dahou tuzhou, set Liuguan, renamed Yunzhou.

On July 19, 1913, it was renamed Yun county.

On December 9, 1949, in response to the peaceful liberation of Lu Han, chairman of Yunnan Province, who called for "Haijia power".

On February 15, 1950, the people's Government of Dali County was established.

From August 1, 1956, it was transferred to Lincang district.

In January 1959, Yunfeng county was merged with Fengqing County, and its organizational system was restored in October of the same year.

In 1970, Lincang district was changed to Lincang District, and Yunxian County belongs to Lincang district.

In 2004, Lincang district was abolished and prefecture level Lincang City was established. Yun county belongs to Lincang City.

administrative division

By 2018, Yunxian County has jurisdiction over 7 towns (Aihua Town, Manwan Town, Dachaoshan Town, Yongbao Town, Maolan Town, Xingfu Town, Dazhai town), 5 townships (MANGHUAI Yi, Bulang, Xiaojie, Chafang, Lishu Yi, Dai, houqing Yi). The county government is located in Aihua town.

natural environment

Location context

Yunxian County is located in the southwest of Yunnan Province, between 99 ° 43 ′ - 100 ° 33 ′ E and 23 ° 56 ′ - 24 ° 46 ′ n. Jingdong and Nanjian face each other across the river in the East and North, Fengqing and Yongde in the west, Lincang and Gengma in the south. The maximum horizontal distance from east to west is 84.2 km, and the maximum vertical distance from north to south is 90.4 km, with a total area of 3760 square kilometers. Among them, the dam area is 722 square kilometers, accounting for 19.2% of the total area; the mid mountain area is 1343 square kilometers, accounting for 35.7% of the total area; the mountain area is 1314 square kilometers, accounting for 34.9% of the total area; the alpine mountain area is 381 square kilometers, accounting for 10.2% of the total area.

topographic features

Yunxian County is located in the south of the longitudinal valley area of Hengduan Mountain System in western Yunnan, which belongs to the deep cutting Zhongshan wide valley and canyon area. It was formed by the strong differential uplift of the Himalayan movement in the early Pleistocene. Most of the mountains are from northwest to Southeast. The terrain is high from east to west and slightly low in the middle, with a relative elevation difference of 2350M. The highest point is Daxueshan at the junction of Yunxian County and Lincang County, with an altitude of 3429 meters; the lowest point is Nanting river at the residence of Banghong Village Office of Xingfu Township, with an altitude of 748 meters. Due to the long-term erosion and weathering, the landform with vertical and horizontal canyons and broken topography is formed. The geomorphology of the whole county can be roughly divided into three types: valley basin, middle cutting Zhongshan wide valley area and deep cutting Zhongshan gorge area.

climate

The climate of Yunxian County is mainly affected by the warm and humid air flow of the Indian Ocean and the southwest monsoon, belonging to the subtropical monsoon climate of the low latitude plateau and the warm temperate monsoon climate. Because of the complex terrain and the great difference in height, a remarkable three-dimensional climate has been formed. There is a saying that a mountain is divided into four seasons and ten li is different from the sky. The valley area below 1300 meters above sea level belongs to the south subtropical climate type; the mid mountain area between 1300 and 1800 meters above sea level belongs to the middle subtropical climate type; the mountain area between 1800 and 2300 meters above sea level belongs to the north subtropical climate type; the alpine mountain area above 2300 meters above sea level belongs to the warm temperate climate type.

hydrology

The Lancang River in Yunxian County is 130.9 km long, passing through six towns, including Maolan, Manwan, MANGHUAI, houqing, Lishu and Dashi. The average slope is 1.38% and the annual average flow is 1230 m3 / s. The main rivers of Lancang River System in Yunxian County include Mengyou River, mangshuhe River, zhuanshui River, Shaojie River, Shaba River, Nayu River, mengma River, nage River, etc. the runoff area is 2688.52 square kilometers, the total flow is 492000 cubic meters per second, and the water energy reserve is 307900 kilowatts. Nanting River and Menghui River are the main rivers Huiren Nujiang River in Yunxian County, with a runoff area of 488.25 square kilometers, a total flow of 106500 cubic meters per second and a water energy reserve of 109900 kilowatts.

natural resources

water resource

The average annual precipitation of Yunxian County is 1367.2 mm, and the total annual average precipitation is 5.0162.6 billion cubic meters. The total annual precipitation is 566837 million cubic meters in wet year, 4966.4 million cubic meters in normal year, 446447 million cubic meters in dry year and 3762.2 million cubic meters in dry year. The annual average runoff depth is 632 mm, and the annual average total runoff is 23188.1 million cubic meters. The annual runoff is 2.713 billion cubic meters in wet year, 2.27243 billion cubic meters in normal year, 1.97099 billion cubic meters in dry year and 1.57679 billion cubic meters in dry year. The annual average groundwater depth is 199.99 mm, and the annual average groundwater volume is 733.75 million cubic meters. The groundwater volume is 836.48 million cubic meters in wet year, 818.78 million cubic meters in normal year, 645.7 million cubic meters in dry year and 550.31 million cubic meters in dry year.

plant resources

Mahogany, Yunnan pine, Huashan Wutong, Yunnan purple crape myrtle (fire), Toona sinensis, Schima superba (redwood tree), Eucalyptus robusta, etc. are mainly found in the forest of Simao county. The edible fungi include chicken longitudinal, mushroom, fungus, tree nest, apple polish, white ginseng, green head fungus, sheep dry fungus, tripe fungus, rhubarb chicken and so on. There are eucommia, cinnamon, Schisandra, Ko, Ginkgo (Ginkgo), Poncirus trifoliate, Ligustrum lucidum and so on; flowers are gladiolus, Yellow Pearl Orchid, White Pearl Orchid, jasmine, oleander (peach) and so on.

Animal resources

The wild animals in Yunxian County are langur (hummingmonkey), bear monkey, grey leaf monkey (big green monkey) and leopard under the first level national protection, while the short tailed Monkey (red faced monkey), macaque (yellow monkey), pangolin, red jackal (red jackal), black bear (dog bear), otter (otter cat), big Lingmao (Jiujiang beaver, Songshi Wolf) and little Lingmao (Xiang cat, Xiang cat) under the second level national protection Civet (civet), golden cat (Leopard), forest musk deer (Swertia deer, Swertia deer), impala (gazelle), iguana (Sumen antelope, mountain donkey), water deer (red deer), giant squirrel (big black squirrel). Another Weasel (weasel), jungle cat (wildcat), muntjac and so on. The first-class key protected birds in China are red necked Crane, Golden Eagle (old eagle, Big Eagle), black necked Pheasant (green chicken, grass Silver Pheasant), black necked pheasant. Green Peacock; sparrow hawk, prairie eagle, black vulture, snake eagle, red bellied horned Pheasant (green horned chicken, baby chicken, snow chicken), white Pheasant (red footed chicken), pheasant (pheasant, Camellia chicken), white bellied Pheasant (Green Pheasant), wedge tailed green Dove (green spot, dove), big scarlet breasted parrot, brown winged cuckoo (pheasant), little cuckoo (little cuckoo), grass parrot (monkey faced Eagle), Green Pheasant (pheasant) There are three kinds of birds, which are Parakeet (macaque faced Eagle), red horned parrot (OWL), crow carving (OWL), spotted owl, grey forest parrot (OWL), crested hornbill (magpie), grey crane, etc.

mineral resources

There are 17 kinds of minerals in Yunxian County, including iron, manganese, copper, lead, zinc, antimony, tungsten, tin, gold, diamond, nickel, sulfur, magnesium and coal, mainly copper, iron, manganese and pyrophyllite. Four types of minerals have been discovered, including ferrous metals, nonferrous metals, chemical industry and fuel. The distribution of mineral resources in the county can be divided into four metallogenic belts: the middle low temperature hydrothermal copper, copper lead, gold and silver metallogenic belt in the west of Lancangjiang fault nayuhe fault; the tin and tungsten metallogenic belt of granite in Yunxian County in the middle; the toudaoshui Xingfu sedimentary metamorphic iron ore and polymetallic ore.

population

By the end of 2018, there were 466700 permanent residents and 189247 urban residents in Yunxian County. The urbanization rate of permanent residents was 40.55%, 1.2 percentage points higher than that of the previous year. At the end of the year, the registered residence population was 445175, of which 234498 were male and 210677 were female, accounting for 52.7% and 47.3% of the total population respectively. There were 5747 births and 3563 deaths. There are Han and Yi people in Yunxian County

Chinese PinYin : Yun Nan Sheng Lin Cang Shi Yun Xian