Longmen County, Huizhou City, Guangdong Province

Longmen County, Longmen County, is under the jurisdiction of Huizhou City, Guangdong Province. It used to be the upper Longmen area of Zengcheng County, so it was named Longmen Ming county. It is located in the middle of Guangdong Province, upstream of Zengjiang River, bordering Heyuan City and BOLUO County of Huizhou City in the southeast, Conghua district and Zengcheng District of Guangzhou City in the southwest, and Xinfeng County of Shaoguan City in the north, with a total area of 2295 square kilometers. By 2019, Longmen County has jurisdiction over two streets, seven towns and one Yao Township, with a total population of 359000.

Longmen County is located between Jiulian Mountain and Luofu Mountain. Jiulian Mountain system extends into the county and branches to the East and southeast to connect with Luofu Mountain. In the territory, the mountains are undulating and crisscross, forming a "land of mountains". The terrain inclines from northwest to Southeast, small in the upper part and big in the lower part. In November 2017, Longmen County won the title of "national civilized county".

In 2019, Longmen County will achieve a GDP of 16.641 billion yuan, of which the added value of the primary industry is 3.055 billion yuan, a year-on-year increase of 3.5%; the added value of the secondary industry is 6.931 billion yuan, a year-on-year increase of 2.7%; and the added value of the tertiary industry is 6.655 billion yuan, a year-on-year increase of 3.1%.

History of construction

In the 24th year of the first emperor of Qin Dynasty (223 BC), Panyu county was established, and Longmen belonged to Panyu county.

In the sixth year of Jian'an (201) of the Eastern Han Dynasty, Zengcheng county was set up by Panyu County, and Longmen County belonged to Zengcheng county. In 1496, Longmen County was set up in the three capitals of Xilin, pingkang and Jinniu in the northeast of Zengcheng county and a small part of the northwest of Boluo county. The county government set up qilinggang in Xilin. The county was originally the upper Longmen area of Zengcheng County, so it was named Longmen Ming county. From the founding of Longmen County to the end of Qing Dynasty, Longmen County belonged to Guangzhou government.

In the first year of the Republic of China (1912), it was subordinate to the governor of Guangdong; in the third year of the Republic of China (1914), it was subordinate to yuehaidao; in the tenth year of the Republic of China (1921), it was subordinate to Guangdong Province; in the 25th year of the Republic of China (1936), it was subordinate to the fourth administrative supervision district. In the 36th year of the Republic of China (1947), it was subordinate to the fifth (special office) administrative supervision district.

On August 27, 1949, Longmen County was liberated, belonging to Dongjiang special area.

In November 1952, it belonged to the central Guangdong administrative office; after December 1956, it belonged to Huiyang District; in November 1958, Longmen County merged with Zengcheng County, which was called Zengcheng County, which belonged to Guangzhou region; in March 1959, it belonged to Foshan region; on October 25, 1961, Longmen County was restored, which was still under Foshan region; in June 1963, Longmen County was under the jurisdiction of Huiyang region; from January 1975, Longmen County was under the jurisdiction of Guangzhou City; 19 In April 1988, it was put under the jurisdiction of Huizhou City.

administrative division

From 2000 to 2002, Longmen County governed 15 towns, 157 village committees and 23 neighborhood committees.

In 2005, Tiantangshan town was merged into Dipai town; Tiegang town and zuotan town were abolished and Longtan town was established.

On June 16, 2005, Longcheng town was abolished and Longcheng sub district office was established. The former Wangping neighborhood committee of Wangping town and 13 village committees of Qingxi, Daiwu, Zhangtan, Huangxi, cormorant, Hengtian, Chengxi, Wangping, Huawei, Chencun, huangzhuli, Jiangxia and Sandong were included in Longcheng sub district office. Wangping town was renamed as Longtian town.

On December 9, 2005, Shajing Town was abolished and merged into Longhua town; Luxi town was abolished and merged into Longjiang Town.

On October 12, 2017, Pingling town was abolished and Pingling street was established.

By 2018, Longmen County has jurisdiction over 2 streets (Longcheng street and Pingling Street), 7 towns (Mazha Town, Yonghan Town, Longhua Town, Longjiang Town, Longtian Town, Dipai town and Longtan town), 1 ethnic township (Lantian Yao township), 2 township level units (Management Committee of mixi forest farm and Nankunshan Ecotourism Zone), and the county people's government is located at No. 2, Dongmen Road, Longcheng street.

geographical environment

Location context

Longmen County is located in the middle of Guangdong Province, upstream of Zengjiang River, on the edge of Pearl River Delta. It borders Heyuan City and BOLUO County in the southeast, Conghua City and Zengcheng City in the southwest, and Xinfeng County in the north. The administrative region is located between 113 ° 48 ′ 26 "- 114 ° 24 ′ 58" east longitude and 23 ° 20 ′ 06 "- 23 ° 57 ′ 50" north latitude, with a total area of 2295 square kilometers.

topographic features

Longmen County is located between Jiulian Mountain and Luofu Mountain. Jiulian Mountain system extends into the county and branches to the East and southeast to connect with Luofu Mountain. In the territory, the mountains are undulating and crisscross, forming a "land of mountains". The land in the county is vast, the terrain inclines from northwest to Southeast, small in the upper part and big in the lower part. There are many high mountains in Northwest and southwest, and low hill basins in the East and south. There are 10 river valleys with an area of 5-70 square kilometers between mountains and hills.

climate

Longmen County has a subtropical monsoon climate. The climate difference in Longmen County is mainly caused by many mountains, which leads to the diversity and complexity of the climate in the county. It has obvious mountain climate characteristics. The temperature difference between the north and the south is large, which can reach about 5 ℃. The dry northerly monsoon prevails in winter and the warm and humid southerly monsoon prevails in summer. The results show that the warm spring comes late and the temperature rises quickly at the end of spring; there is much rainfall in summer; the cool autumn comes early and the temperature drops obviously in autumn; the daily temperature difference in winter is large and there are different degrees of low temperature and frost weather.

Due to the influence of topography, the unstable warm and humid air mass can form a convective weather system, resulting in more thunderstorms in Longmen County, with an average annual thunderstorm day of 78 days.

hydrology

The main river in Longmen County is Zengjiang, which runs through the north and south of the county. Zengjiang river is one of the three tributaries of Dongjiang River. It is commonly known as Longmen River in Longmen and Xilin River near the county. It originates from Qixingling, Xinfeng, flows through Xinfeng, Longmen and Zengcheng, and flows into Dongjiang River in sunjiapu, Zengcheng. There are seven tributaries with a catchment area of more than 100 square kilometers in the county, of which six are tributaries of Zengjiang River, namely Lantian River, Tiegang River, Baisha River, Gepu River and Yonghan River, and the other is the upstream of Gongzhuang River, a tributary of Dongjiang River, which is called Pingling River in Longmen.

natural resources

water resource

Zengjiang has a rainfall collection area of 2126 square kilometers and a river length of 128.6 kilometers in Longmen County. There are 1 hydrological station, 1 evaporation station and 11 rainfall stations in Longmen County. Longmen County has an average annual rainfall of 2133.6 mm, an average annual total water yield of 4.896 billion cubic meters, a runoff coefficient of 0.626, an average annual runoff of 3.0659 billion cubic meters, and a runoff depth of 1335.9 mm. The county has 10812 cubic meters of water per capita. The average annual groundwater resources of the county is 689 million cubic meters.

land resource

Longmen County has 21157 ha of agricultural land, 4550 ha of garden land, 176172 ha of forest land, 1 ha of pasture land, 4884 ha of water surface, 9265 ha of construction land, 7033 ha of industrial and mining land, 951 ha of traffic land, 1281 ha of water conservancy land, 5862 ha of unused land and 25920 ha of cultivated land.

mineral resources

The mineral resources in Longmen County include ferrous metals, non-ferrous metals, rare metals, metallurgical auxiliary raw materials, fuels, chemical raw materials, building materials and underground hot water, mainly distributed in the towns of Dipai, Mazha and Pingling. As of April 2012, 27 kinds of minerals have been found in Longmen County, and the dominant minerals are lead, zinc, niobium, stone and limestone with large reserves.

Biological resources

The vegetation and shrubs in Longmen County are mostly medicinal plants and flowers. Longmen abounds in more than 400 kinds of Chinese herbal medicine plants, such as Morinda officinalis, hawthorn, dog's back, Rosa laevigata, honeysuckle, Lysimachia christinae, tangerine peel, Ramulus davidii, Diaowang, Houttuynia cordata, radix rehmanniae, Radix Isatidis, Radix Maogen, Radix Phragmites, etc. There are some rare species in Nankunshan, such as Taxus, Alsophila spinulosa, rabbita auricula, Camellia oleifera, cocoa tea, hengjingxi, sandalwood, Magnolia and Michelia. The common wild animals in the territory are water deer, yellow mullet, beaver, wild boar, pangolin, barbed breasted frog, tiger frog; birds are hairy chicken, mountain hawk, owl, tit, woodpecker, pheasant, red billed Acacia, etc.; there are many kinds of rare fish in the mountain stream, such as mountain catfish, Mountain spotted fish, etc. Sumen antelope, a rare and precious animal, still lives in the South Kunshan mountains.

population

By 2019, Longmen County has 318800 permanent residents, with an urbanization rate of 47.42%. The registered residence has a total population of 359 thousand, including 184 thousand men and 175 thousand women, 210 thousand rural residents and 14.9 urban population. There are 92000 people aged 0-17, accounting for 25.6% of the total population; 210000 people aged 18-59, accounting for 58.6% of the total population; 57000 people aged 60 and above, accounting for 15.8% of the total population.

Economics

overview

In 2019, Longmen County's GDP will reach 16.641 billion yuan, a year-on-year increase of 3.0%. Among them, the added value of the primary industry was 3.055 billion yuan, a year-on-year increase of 3.5%; the added value of the secondary industry was 6.931 billion yuan, a year-on-year increase of 2.7%; the added value of the tertiary industry was 6.655 billion yuan, a year-on-year increase of 3.1%. The proportion of the three industries is 18.36:41.65:39.99. According to the resident population, the per capita GDP reached 52693 yuan, a year-on-year increase of 2.8%.

primary industry

In 2019, the sown area of grain crops in Longmen County is 296500 mu, with a year-on-year increase of 0.3%. The oil planting area was 28800 mu, with a year-on-year increase of 1.7%; the vegetable planting area (including vegetable melon) was 169800 mu, with a year-on-year increase of 2.1%