Mengshan County, Wuzhou City, Guangxi Zhuang Autonomous Region

Mengshan county is subordinate to Wuzhou City of Guangxi Zhuang Autonomous Region. It is located in the east of Dayaoshan in the east of Guangxi and the northwest of Wuzhou City. It is adjacent to Zhaoping in the East, Jinxiu in the west, Pingnan and Tengxian in the South and Lipu in the north. Mengshan town is 460 km away from Nanning city and 186 km away from Wuzhou City.

Mengshan county has a total area of 1279 square kilometers. As of the end of 2014, it has jurisdiction over 6 towns and 3 townships, with a total population of 2213000, including 190000 in rural areas. In 2014, the county's GDP reached 5.69 billion yuan.

Mengshan county is surrounded by mountains, narrow from east to west, long from south to north, long in shape; the terrain is high in the northeast and low in the southwest, with undulating mountains, crisscross gullies and complex terrain; it is a subtropical monsoon climate zone with mild climate, abundant rainfall, long summer and short winter.

Mengshan county is the most beautiful eco-tourism demonstration city in China, the national ecological demonstration area, and the key ecological function area in Guangxi. The Taiping Heavenly Kingdom once established the king system in this area. Mengshan is also the hometown of Su Yuanchun, an anti French soldier, Chen Manyuan, an old generation revolutionist, and Liang Yusheng, a new martial arts novelist. In December 2018, it won the title of the second batch of national ecological civilization construction demonstration cities and counties. On January 22, 2020, it was named National Garden County by the Ministry of housing and urban rural development.

Historical evolution

During the Shang and Zhou Dynasties (1711-1098 BC), Mengshan belonged to the oucangwu tribe of Baiyue nationality.

In the 33rd year of the first emperor of Qin Dynasty (387 BC), Mengshan belonged to Guilin county.

Han Yuan Ding six years (111 BC), Mengshan is Cangwu County Lipu County.

In the first year of Wu Ganlu in the Three Kingdoms (265), Mengshan belongs to Shi'an county.

In 502, the first year of emperor Liangwu's Tianjian in the northern and Southern Dynasties, Jin'an County, Meng county and Chang'an County were established, which was the beginning of the establishment of counties in Mengshan.

In the 10th year of kaihuang reign of Sui Dynasty (590), Jin'an, Meng and Chang'an counties were abolished and Suihua county was set up. It belongs to Shi'an County of Yangzhou. The county government is in the old county village of the present county.

In the fourth year of Wude (621), Sui Hua county was changed into Lishan County, and Lizhou was established in Lishan County in the same year; in the fifth year of Wude (622), Lizhou was changed into Nangong Prefecture, leading Lishan County, Chongren County, lingzheng County, Chunyi county and Dongqu county. In the eighth year of Zhenguan (634), Nangong Prefecture was abolished and Mengzhou was established, and the state was governed in the old street of Huangcun town; in the twelfth year of Zhenguan (638), the northwest of Chongren county was merged into Lipu County, the southeast into Chunyi County, and lingzheng County into Lishan County. In the first year of Tianbao (742), Mengzhou was changed into Mengshan County, and in the first year of Qianyuan (758), Mengzhou was restored, with three counties of linglishan, Chunyi and Dongqu. In the first year of Yuanhe (806), Chunyi county was changed to Zhengyi County for avoiding emperor Xianzong's taboo.

In 976, Zhengyi county was changed into Mengshan County, and in 1072, Mengzhou was abolished, and Eastern District and Mengshan county were merged into Lishan County, which was subordinate to Zhaozhou.

In the Yuan Dynasty, Lishan county was changed to Mengshan County, belonging to pingyuefu.

In 1368, Mengshan county was changed into Lishan county. Hongwu eighteen years (1385) due to war, more than half of the households were damaged, and Lishan county was changed to Lishan Township, which belongs to Lipu County. Before long, the ancient eyebrow inspection department and Qunfeng inspection department were set up, belonging to Pingle county. In 1477, yonganzhou was established as Guilin Prefecture. In the third year of Hongzhi (1490), Yongan Prefecture was changed into Yongan chief secretary. In the fifth year of Hongzhi (1492), Yongan Prefecture was restored, belonging to pingyuefu.

In the Qing Dynasty, it was still Yongan Prefecture, belonging to pingyuefu.

In 1912, Yongan Prefecture was changed into Yongan county. In 1914, it was renamed Mengshan County, which first belonged to Guilin road, then to Pingle District, mintuan District, Pingle administrative supervision district and Pingle administrative supervision district.

After liberation, it was still Mengshan County, which first belonged to Pingle district. In 1958, Pingle district was abolished, and Mengshan county was changed to Wuzhou district (later renamed Wuzhou District).

In April 1997, Mengshan county was changed to Wuzhou City.

administrative division

As of 2014, Mengshan county has jurisdiction over 6 towns including Mengshan Town, Xihe Town, Xinwei Town, Wenwei Town, Huangcun town and Chentang Town, and 3 townships including Hanhao Township, Xiayi Yao Township and Changping Yao Township, with a total of 78 administrative villages and 6 communities. The town government is located at No. 1, Wufu Road North, Mengshan town.

geographical environment

Location context

Mengshan county is located in the east of Dayaoshan in the east of Guangxi Zhuang Autonomous Region, the northwest of Wuzhou City, Zhaoping County in the East, Jinxiu Yao Autonomous County in the west, Pingnan County and Teng County in the south, and Lipu city in the north. The county has a maximum horizontal distance of 43 km from east to west, 70 km from north to south, and a total area of 1279 square kilometers, which is between 110 ° 20 ′ - 110 ° 44 ′ E and 23 ° 52 ′ - 24 ° 25 ′ n.

geological structure

Mengshan county has experienced two large-scale crustal movements in geological history, one is Caledonian movement, also known as Guangxi movement, at the end of Early Paleozoic Silurian (405-500 million years ago), and the other is Indosinian movement at the end of Middle Triassic (205 million years ago). Under the influence of two strong crustal movements. There are complicated geological structures in the county, including folds in different periods, directions and shapes, faults of different sizes and properties, small magmatic dikes and various metal minerals. After Indosinian movement, Mengshan county also experienced Yanshanian movement and Himalayan movement in the middle and late Mesozoic and Cenozoic. They make the crust of Mengshan County rise, suffer erosion and denudation, and make some early faults active again. In addition, some magmatic dikes were formed.

topographic features

Mengshan county is surrounded by mountains, high in the northeast and low in the southwest. In the territory of undulating mountains, vertical and horizontal gullies, complex terrain, the main River Mekong river runs through it. Xinwei, Wenwei, Mengshan town and Xihe in the north are all small basins, with 20 contiguous plains of 3000 mu. Huangcun, Hanhao and Chentang in the south are river valleys. Xiayi and Changping are valley areas. Mengshan basin and both sides of Meijiang river are river bed terraces of erosion accumulation landform, and the rest are erosion structure landform.

Mengshan county is connected with Dayaoshan in the West. Luan mountain, extending to the east of Dayaoshan mountain range in the northwest, belongs to mengzhuling mountain range, with an altitude of 1104 meters. It is the highest peak in the county. Jiguan mountain is located in the northeast of China, extending from zhutou mountain in Lipu County to Zhaoping County through Mengshan County, with a total length of more than 50 km and a width of 40 km from east to west. The Jiguan mountain range in Mengshan county starts from sanmeiling (1065 meters above sea level) in Changping Yao nationality township in the north and ends at egg mountain (938 meters above sea level) in Huangcun Township in the south. The main bee in the middle part of Jiguan mountain is Luoding, 1100 meters above sea level, which is the second peak of Mengshan. At the junction of Mengshan and Lipu counties in the northwest, there is Baimian mountain with an altitude of 1017 meters, extending from north to south into Xinxu township. In the southwest of Xiayi, there are shiyading (1025 meters above sea level) and dadaoling (1005 meters above sea level). At the junction of Chentang and Tengxian County in the south, there is a mountain top 779 meters above sea level. The mountain ranges in the whole county range from 500 to 800 meters above sea level, 63% of which are low mountains, and the rest are above 800 meters above sea level.

climate

Mengshan county is a subtropical monsoon climate zone, with mild climate, abundant rainfall, long summer and hot, short winter and long frost free period. The annual average temperature is 19.7 ℃. The extreme maximum temperature was 38.5 ℃ (July 12, 1971), and the extreme minimum temperature was - 4.5 ℃ (January 12, 1955). The annual total solar radiation of the whole county is 102.03 kcal / cm3, and the average annual total sunshine is 1581 hours. The average annual rainfall is 1738.7mm, with a maximum of 2529mm (1970) and a minimum of 1138.3mm (1958). The seasonal distribution of rainfall is uneven. The rainy season generally begins in the middle of April. The rainfall from April to June ranges from 800 mm to 1000 mm, accounting for 48-50% of the total annual rainfall. The main meteorological disasters are: late spring cold, hail, gale, rainstorm, cold dew wind, frost, etc.

hydrology

There are 159 rivers in Mengshan County, which originate from the hinterland of Dayaoshan and Jiguan mountains. Among them, there are 24 rivers with 17.5 square kilometers of rainfall collection area, with a total length of 576.85 kilometers. Except that Nandong river flows into Guijiang River in the East and xiayiliuluo river flows into Dali, Tengxian County, the rest flow into Meijiang River in the form of trees on the East and west sides. Meijiang river is the main stream of Mengshan River, which belongs to the Pearl River system. It originates from Zhongliang mountain area of Jinxiu County, enters from the northwest, flows through Xinwei, Xihe, Chengcheng, Huangcun, Hanhao and Chentang, and then flows into Xunjiang river through Mengjiang river of Tengxian county. The flow is 86.86 km, with the highest water level of 112.61 m and the lowest of 106.76 M. the flow is large and water resources are rich. In addition, the county's main tributaries are: Zhongliang, Renshan, Chashan, wachong, Baihe, Wenwei and other rivers.

soil

There are only Cambrian, Devonian and a few Quaternary strata exposed in Mengshan county. The main soil forming materials are rock weathering, alluvial, proluvial, laterite and purple rock weathering. The soil in the county is divided into paddy soil, dry land soil and mountain soil. There are 7 types, 18 soil genera and 43 soil species in paddy soil, most of which are sandy loam soil. There are 4 soil types, 9 soil genera and 11 soil species in dryland soil. Most of them are distributed on the slope land, and a small amount of them are distributed in the front and back of the village, on both sides of the river and in the valley. There are three soil genera of mountain soil: mountain red soil, mountain loess and mountain acid purple soil, and the main soil is mountain red soil.

natural resources

water resource

The vast majority of water resources in Mengshan county is surface water, which is mainly supplied by natural precipitation, and there is little groundwater. The average annual runoff in the county is 1.499 billion cubic meters, including 1.257 billion cubic meters of water produced in the county and 242 million cubic meters of water from outside the county. The average annual runoff depth is 1032 mm, and the water per capita is 8238 cubic meters

Chinese PinYin : Guang Xi Zhuang Zu Zi Zhi Qu Wu Zhou Shi Meng Shan Xian