Yantan District, Zigong City, Sichuan Province

Yantan district is subordinate to Zigong City, Sichuan Province. It got its name from the district government's residence in Yantan town. It was founded in 1953 and is located in the South Gate of Zigong City. It is the hometown of martyr Lu Deming, the commander in chief of the Autumn Harvest Uprising. It is one of the four municipal districts of Zigong City, the Millennium salt capital. It is 12 kilometers away from Zigong City. It borders Da'an District in the north, covering an area of 467.99km2. The terrain is high in the northwest and low in the southeast, with an average altitude of 300-400 meters. It belongs to gentle slope low hill, gentle slope medium Hill landform type, no formed mountains, suitable for cultivation area is large.

At the end of 2011, the area of cultivated land along the beach area was 258700 mu, including 163100 mu of paddy field, 95700 mu of dry land and 0.77 mu of cultivated land per capita. It is an agricultural area dominated by grain and oil production, and the per capita net income of farmers is 6616 yuan.

The total industrial output value of Yantan district started from zero in 1949 to 7.5 million yuan in 1978, and reached 18.893 billion yuan in 2011, an increase of 49.98% over 2010.

In July 2019, it will be selected as the pilot county (District) of the national intellectual property project.

Evolution of organizational system

Yantan District, formerly known as the suburb of Zigong City, was established on July 1, 1953. At that time, Yantan district was under the jurisdiction of 20 administrative townships in some areas of Ziliujing, Da'an and Gongjing.

In February 1959, it belonged to Fushun County and Yibin County respectively, and part of the area was classified as suburb.

In July 1961, the suburbs were divided back into Ziliujing, Da'an and Gongjing.

In March 1983, the suburb was renamed Yantan District, and the former part of the territory was completely allocated from Fushun and Yibin counties.

From August 1, 2005, the five towns of Shuping, Gaofeng, Zhongquan, nongtuan and Qishu under the jurisdiction of Yantan district were classified as Ziliujing District, and the two towns of Washi and Xianshi under the jurisdiction of Fushun County were classified as Yantan district.

On July 1, 2007, the Management Committee of Zigong private economic development park was entrusted to Zigong hi tech Zone. The CPC Yantan District Committee and government moved to Yantan town in May 1960.

administrative division

By the end of 2011, Yantan district had jurisdiction over 1 street of Bancang street, 11 towns of Yantan Town, Wangjing Town, Dengguan Town, Washi Town, Xianshi Town, Weiping Town, Xinglong Town, Yong'an Town, Huangshi Town, Lianlian town and Fuquan Town, 2 townships of Jiuhong Township and Liushan Township, 169 villages and 19 communities.

At the end of 2016, there were 11 towns of Yantan, Dengguan, Yong'an, Huangshi, Lianlian, Fuquan, Wangjing, Weiping, Xinglong, Washi, Xianshi and 2 townships of Jiuhong and Liushan, with 23 communities and 170 administrative villages.

As of September 2019, Yantan district has jurisdiction over Bancang street, Weiping street and Dengguan street, Yantan Town, Wangjing Town, Washi Town, Xianshi Town, Xinglong Town, Yong'an Town, Huangshi Town, Lianlian town and Fuquan Town, and Jiuhong town.

In 2020, it will have jurisdiction over 2 streets, 9 towns and 1 township

Name of division code for statistics

510311001000 Weiping Street

510311002000 Dengguan Street

510311100000 Yantan town

510311102000 Xinglong Town

510311105000 Fuquan town

510311106000 Yongan Town

510311107000 contact town

510311109000 Wangjing town

510311110000 Huangshi town

510, 311, 111000

510311112000 Xianshi town

510311204000 Jiuhong Township

geographical environment

Location context

The beach area is located between 104 ° 40 ′ 42 ″ - 105 ° 58 ′ 00 ″ E and 29 ° 07 ′ 53 ″ - 29 ° 23 ′ 19 ″ n. It is connected with Fushun County in the East, Ziliujing District in the west, Yibin City in the South and Da'an District in the north. It is 13 kilometers away from the downtown area of Zigong.

topographic features

The topography of the beach area is characterized by high in the northwest, low in the southeast, many gullies, wide distribution of hills, narrow flat dams, separated by parallel folds in the southeast of Sichuan. It belongs to the hilly area in the basin, and the terrain inclines from the northwest to the southeast. The main geomorphic types in the territory are low and medium hills, accounting for 90.0% of the total area. The surface slope is mainly grade 3 and grade 4, accounting for 75.06% of the total area.

The beach area is located in the hilly area of South Sichuan, and its topography is affected by dengjingguan and Xinglongchang anticlines. The terrain of this area is high in the northwest and low in the southeast. The altitude ranges from 300 to 400 meters, with the highest altitude of 457.10 meters in Jiling mountain, Pudian village, Fuquan town; the lowest altitude of 256.40 meters in xiaheba, Yankou, Dengguan street.

Water conservancy conditions

The rivers in the beach area belong to the Tuojiang River Basin, among which Fuxi River belongs to the first level tributary of Tuojiang River. There are 11 rivers in the area, with a total length of 265.4 km, a river network density of 0.32 km / km2, a total runoff of 184 million cubic meters, an annual drainage of 443 million cubic meters, and an annual maximum drainage of 627 million cubic meters. The length of Tuojiang River is 6.87km from daanliu to Neiwa city; the length of Fuxi River, a primary tributary of Tuojiang River, is 59.9km from Ziliujing to Weiping, Xianshi, Yantan, Wangjing and Dengguan, with a drainage area of 436 square kilometers, accounting for 16.4%, with an average annual flow of 33.63m3/s; the main tributaries of Fuxi River are Shutan River, yangcha River, wangzi River and tieqian River, with a total length of 198.7km.

Climatic characteristics

The beach area belongs to subtropical humid climate, which is characterized by four distinct seasons. The annual average temperature is 17.8 ℃, the average temperature in January is 7-9 ℃, and the extreme minimum temperature is 4 ℃ (January 31, 1977); the average temperature in July is 27.4 ℃, and the extreme maximum temperature is 39 ℃ (August 7, 1960). The lowest monthly average temperature was - 7 ℃ (January 1963), and the highest was 29.7 ℃ (July 1971). The average annual temperature range is 25.5 ℃, and the maximum daily temperature range is 22.5 ℃ (March 18, 1965). The average annual growth period is 263 days, the average frost free period is 224 days, the longest is 254 days, the shortest is 192 days. The annual average sunshine hours are 2166.3 hours, and the annual total radiation is 115.7 kcal / cm2. The duration above 0 ℃ is 337 days (generally from February 1 to January 1 of the next year). The average annual precipitation is 950mm, and the average annual rainfall days are 150 days, with the maximum of 170 days (2010) and the minimum of 115 days (2011). The extreme annual maximum rainfall was 1176.2 mm (1999), and the extreme annual minimum rainfall was 506 mm (2011). The rainfall is concentrated from May to September every year, with the majority in July.

natural resources

land resource

As of 2013, the usable land area of Yantan district is 46300 hectares, including 0380 hectares of industrial land, 7500 hectares of commercial land, 6400 hectares of residential land, 19000 hectares of agricultural land and 11000 hectares of other land.

Mineral resources

As of 2013, Yantan district is rich in mineral resources, including yellow and black brine, natural gas, oil, coal, limestone and quartz. It is mainly distributed in Dengguan town and Xinglong town. Among them, the yellow and black brine reserves reach 92 million cubic meters, the natural gas reserves are 5.617 billion cubic meters, and the coal mine reserves are 4.525 million tons.

plant resources

As of 2013, the total area of forestry land in Yantan district is 5936.7 hectares, including 5548.1 hectares of woodland, 179.2 hectares of open woodland, 229.4 hectares of shrubbery, 1421.4 hectares of scattered trees around, and the forest coverage rate is 15.58%. The total volume of standing trees in the region is 108163 cubic meters, of which the stand volume is 93373 cubic meters, accounting for 86.33%, and the book forest volume is 7380 cubic meters, accounting for 6.82%. The volume of scattered forest and four side trees is 7410 cubic meters, accounting for 6.85%.

The characteristics of forest resources are: uneven distribution, relatively concentrated secondary natural forest, single tree species, mainly Pinus massoniana, Pinus elliottii, eucalyptus, poplar, cypress and Phyllostachys edulis.

water resource

Minjiang River and Tuojiang River system have 11 small rivers in the whole region, with a total length of 298.9 kilometers, a drainage area of 312.1 square kilometers, and a total surface runoff of 185.032 million cubic meters. 4406 water conservancy projects have been built in the region, including 12 small (1) reservoirs and 44 small (2) reservoirs. There are 4148 shanpingtang, 89 shiheyan, 113 electric pumping irrigation stations, 122 sets and 6594 kW. The project requires an annual water storage capacity of 55.28 million cubic meters, industrial water consumption of 3.11 million cubic meters, agricultural water consumption of 22.64 million cubic meters, urban and town water consumption of 2.28 million cubic meters, underground water consumption of 2.5 million cubic meters, 367 kilometers of various channels in the region, and effective irrigation area of 148200 mu.

Population nationality

population

At the end of 2016, 392 thousand and 800 people registered residence in the whole district. Among them, there are 296300 agricultural population and 96500 non-agricultural population. There were 4143 births, with a birth rate of 1.06 ‰, 2395 deaths, with a mortality rate of 0.61 ‰, and a natural population growth rate of 0.45 ‰. At the end of 2015, there were 314800 permanent residents, an increase of 18000 or 5.7% over the end of 2015. Among the permanent residents, the urban population is 126500, the rural population is 188300, and the urbanization rate is 4

Chinese PinYin : Si Chuan Sheng Zi Gong Shi Yan Tan Qu