Lanshan District, Linyi City, Shandong Province

Lanshan District Lanshan District, subordinate to Linyi City, Shandong Province, is located in the southeast of Shandong Province and the middle of Linyi city. It is the residence of Linyi Municipal Party committee and Linyi Municipal People's government. It faces Hedong District across Yihe River in the East, Feixian County in the west, Linyi high tech Industrial Development Zone and Luozhuang District in the south, and Yinan County in the north. It is between 118 ° 06 ′ - 118 ° 20 ′ E and 35 ° 03 ′ - 35 ° 23 ′ n, covering a total area of 839 square kilometers. By 2020, Lanshan district has four streets and seven towns with a permanent resident population of 2.32 million.

Lanshan, named after Qu Yuan, a doctor of Chu, was built in the 24th year of King Zhao of Chu (492 BC). It is a famous historical and cultural city in Shandong Province. Historically, it was the capital of Fei state, the border city of Lu state, the northern border of Chu state, and the residence of Langya. It is the hometown of Wang Xizhi, the "sage of calligraphy", "Wang Xiang, the" most filial piety "and min Ziqian, the" sage of Du ". It has the reputation of" beautiful ancient city in southern Shandong, and many famous people in Langya ".

In 2020, Lanshan district will achieve a GDP of 118.8 billion yuan and a general public budget revenue of 10.04 billion yuan.

Lanshan district is one of the top 100 districts in China in terms of comprehensive strength, investment potential, green development, technological innovation and new urbanization. On February 13, 2020, it won the title of national "safe agricultural machinery" Demonstration County in 2019.

Historical evolution

Linyi city was named Qiyang at the beginning of its construction. In the Western Zhou Dynasty, there were Yu state, Qiyang and Zhongqiu in Lu state. Qiyang is the earliest name of Linyi city.

In the late spring and Autumn period, it was the land of the state of Lu. In the late Warring States period, it belonged to Chu. Qin is Qiyang County, belonging to Tan county.

In the Western Han Dynasty, Qiyang changed its name to Kaiyang in order to avoid King Liu Qibao. In the fifth year of Yuanfeng (106 BC), Linyi County and Kaiyang County were set up in Zhuge City, which is located in baishabu town in the north of today's city.

In the 80th year of the founding of the Eastern Han Dynasty, Langya state was set up in Kaiyang.

In the middle of Northern Wei Dynasty, Langya state was changed into Langya county. In the second year of Yong'an (529), he was the governor of northern Xuzhou.

In the first year of xuanzheng in the Northern Zhou Dynasty (578), northern Xuzhou was changed to Yizhou, named after Linyi River in the east of the city.

In 605, Kaiyang, Linyi and Jiqiu were merged into Linyi County, which is located in today's Linyi city.

In 621, Lanshan county was set up at the foot of Lanshan in the southwest of chudun Town, Tancheng county. In the sixth year of Wude, Lanshan county was abolished and its jurisdiction was incorporated into the territory of Linyi County (according to the summary of Fangyu).

In the Northern Song Dynasty, it belonged to Langya County of Yizhou.

In the Jin, yuan, Ming and Qing Dynasties, Yizhou was still known. In the early Ming Dynasty, Linyi County was withdrawn from Yizhou.

In 1734, Yizhou was renamed as Fu, which governed the surrounding area and set up a county, named Lanshan county.

In 1913, Yizhou Prefecture was abolished, and Lanshan county was restored as Linyi County.

After the founding of the people's Republic of China, Linyi County was renamed Linyi City from December 1958 to March 1963. In September 1983, the State Council approved the restoration of Linyi as a county-level city under the jurisdiction of Shandong Province. In December 1994, the county-level Linyi city was abolished, and three county-level administrative regions, Lanshan, Luozhuang and Hedong, were set up in its original jurisdiction.

administrative division

By 2020, Lanshan district has four streets, seven towns and one economic development zone, with a total of 344 village communities. Lanshan District People's Government in Lanshan street.

geographical environment

Location context

Lanshan district is located in the southeast of Shandong Province, in the middle of Linyi City, adjacent to five counties and districts. It faces Hedong District across Yihe River in the East, Feixian County in the west, Linyi high tech Industrial Development Zone and Luozhuang District in the south, and Yinan County in the north. It is between 118 ° 06 ′ - 118 ° 20 ′ E and 35 ° 03 ′ - 35 ° 23 ′ n, covering a total area of 839 square kilometers.

topographic features

There are two types of topography in Lanshan District, plain and hill, and plain is the main one. The north and the West are hills, belonging to the southern edge of the central and southern Shandong mountains, with an altitude of 80 to 250 meters. AI mountain is the highest peak in the region, with an altitude of 254.6 meters. The central and southeastern part is the piedmont alluvial plain with an altitude of about 80-150 meters. The whole terrain is high in the northwest and low in the southeast, with an inclination of 3-5 degrees.

There are many mountains in the north and west of Lanshan District, which are the afterveins of Yimeng Mountains. They are roughly divided into three branches: the North Branch starts from Mengshan, and after entering the country, it is Mangshan, Tieshan, Jianshan, Moshan, Taohuashan, Fenghuangshan, Chashan, etc.; the West Branch connects Feixian and Lanling mountains, and from north to South are Aishan, tieniushan, Wohushan, wupingshan, etc.; the South Branch is jinqueshan, Yinqueshan, and to the south is the iron mine in Luozhuang district Taiyun mountain and Dazhu mountain form a vein. There are more than 10 mountain tops in Lanshan District, both of which are the remaining veins of Yimeng Mountains. It can be roughly divided into three branches: the North Branch starts from Mengshan, including Lushan, Tieshan, Jianshan, Moshan, Taohuashan, Fenghuang, Baitushan and Chashan; the West Branch is connected with Feixian and Cangshan counties, with Aishan, tieniushan, Wohushan, wupingshan and xuenanshan from north to South; the South Branch starts from jinqueshan and Yinqueshan, and extends from north to south to Tiekuangshan, qingqushan and Dashan In Luozhuang district Zhushan.

Tea mountain

Chashan is also known as Chaya mountain and Chaya mountain. It is 22.5km north of Linyi city. The mountain is composed of red miscellaneous stone and limestone, with an altitude of 227.1 meters and an area of 1 square kilometers. Tea mountain is known as "Linyi Zhenshan".

AI Shan

AI mountain, also known as Hua AI mountain and Ai Hua mountain, is named after the production of AI. It is located 14.5km northwest of Linyi city. The mountain is composed of limestone, 254.6 meters above sea level, stretching for tens of miles, which is the second highest peak in the region.

Jinque mountain and Yinque mountain

Formerly known as the golden Sparrow Ring, silver Sparrow Ring, located in the southern corner of Linyi city. The mountain is composed of limestone and purple shale, with an altitude of only 88 meters. The two hills face each other from east to west. They are named for their golden and silver flowers.

climate

Lanshan district is a warm temperate monsoon region with semi humid continental climate, with sufficient light, abundant rainfall, suitable climate and four distinct seasons. In spring, it warms up rapidly with less rain and more wind, and the air is dry. Summer is characterized by high temperature, high humidity and concentrated rainfall. In autumn, the temperature drops rapidly and the precipitation rate changes greatly. It is cold and dry in winter, with few rain and snow, and long cold period. The average annual precipitation is 790-920 mm. The annual average temperature is 13.3 ℃, the highest in July and the lowest in January. The surface temperature is 15.3 ℃ over the years, the sunshine hours is 2357.5 hours, and the sunshine percentage is 55%. The average frost free period is 202 days. There are more northeast wind in spring, North and northeast wind in autumn and winter, and East and southeast wind in summer. The annual average wind speed is 2.6 m / s. The gale with wind force greater than 8 has 20 days on average.

hydrology

There are more than 10 large and small rivers in Lanshan District, including Yi, Shu, Fang, Su and so on. They all belong to the Yi Shu Sishui system of Huaihe River Basin and flow from north to South or from west to East. The main rivers flowing into Yi River are Meng River, Baiyun River, Xiaogan River, Liuqing River, Yi River, Su River, Sunni River, Ligong River and Yanzi River. It is surrounded by eight rivers and connected by six rivers. 72 rivers are distributed in veins and flow through more than 85% of the villages in the district. The water surface area of Yihe River and Yihe River in the urban area is 95 square kilometers.

Yihe River

Yihe River, also known as Yishui, originates at the northern foot of Songshan Mountain in the northwest of Yiyuan County. It flows through Yiyuan, Yishui, Yinan, Lanshan, Hedong, Luozhuang, Lanling and Tancheng. It flows from wujiadaokou village of Tancheng county to the northern Jiangsu Plain and from Xinyi River to the Yellow Sea. The length of the river is 34.9 kilometers, the drainage area is 64.93 square kilometers, and the widest part of the estuary is 1540 meters.

Yi River

Yihe River, named after Yiyi in ancient times, is a tributary on the West Bank of Yihe River. It has a total length of 137 kilometers, a drainage area of 3376 square kilometers, an average riverbed width of 1200 meters, a width of 2034 meters at the entrance to Yihe, and a territory length of 26.7 kilometers. It flows through zhubao, Yitang, zaogoutou, Nanfang and other towns, and flows into Yihe River in the northeast corner of Linyi city. The drainage area is 32.3 square kilometers.

Suhe River

Wuhe river originates from Yulin mountain and tianjingwang mountain in Mazhuang township of Feixian County. It is divided into two branches in nanguozhuang of Lanshan street. The South Branch is called nansu River and the North Branch is Beisu river.

Nansu river is the old road of Henan river. It flows through Shengzhuang, machanghu, censhi, Luozhuang, Fuzhuang and other towns in Luozhuang District, and then flows into Wuhe River in Tancheng County, with a total length of 41.2 kilometers, a drainage area of 249.18 square kilometers and a territory length of 9.9 kilometers.

Beisu river is a man-made river excavated by Zhu Youshun, king of Jing, during Jiajing period of Ming Dynasty. The water from the Su River is diverted directly to Linyi City and flows into the Yi River in the north of the city. Outside the west gate of the city, a branch is dug in the southeast to flow into Qinglonghe (commonly known as the moat). It flows into the Yi River in the north of dabudong village in the south around the city, with a total length of 30 km (except the 30.4 km of the river above nanguozhuang), and a drainage area of 126.77 square kilometers.

Xiaohe

Xiaohe, also known as Xiaogan River, is located in baishabu town in the north of the city. It originated from taohualing in the south of Chashan mountain.

Liuqinghe

Liuqinghe river is named for its abundant willows on both sides. It has a total length of 34 kilometers and a drainage area of 240 square kilometers; it has a length of 20.75 kilometers and a drainage area of 218.8 square kilometers.

Fanhua spring

Fanhua spring is located in Hanjia village, Bancheng town. "Linyi County annals · Huquan" says: "Fanhua spring, 40 miles north of the city, the spring is close to the river, the sand flows with the water, the potential is like Fanhua. There are stone caves on the other side, which can accommodate hundreds of people. " The so-called small river refers to the tributary of the upper Liuqing river. The folk legend of "stone cave" is the place where Wang Ao cultivated immortals.

soil

The soil in Lanshan district is mainly composed of fluvo aquic soil, which can be divided into 5 soil types and 11 sub types: fluvo aquic soil, paddy soil, cinnamon soil, Shajiang soil and brown soil. Fluvo aquic soil is mainly distributed in Liuqing, zaogoutou, Yitang and other towns, streets and urban areas along Yihe River and Yihe River. Paddy soil, mainly distributed in baishabu town. Cinnamon soil,

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