Chengyang District, Qingdao City, Shandong Province

Chengyang District, under the jurisdiction of Qingdao City, Shandong Province, covers a total area of 553.2 square kilometers, governs eight streets, and has a permanent resident population of 850000 in 2019.

Chengyang District is located in the north of Qingdao City, adjacent to Laoshan District in the East, Licang District in the south, Jiaozhou Bay in the west, Jiaozhou City in the north and Jimo District in the north. It is surrounded by mountains in the East, plains in the West and North, and sea in the southwest. Located in the north temperate monsoon region, it belongs to the temperate monsoon climate. On September 10, 2020, it was selected into the "top 100 high quality development level of China's urban areas in 2020" by CCID, ranking 71st.

In 2019, the GDP of Chengyang District is 112.183 billion yuan, an increase of 6.4% over the previous year at comparable prices.

Historical evolution

The Chengzi Longshan cultural site found in Chengyang is confirmed that people lived here more than 4000 years ago. In Shang and Zhou dynasties, Chengyang belonged to Laiyi. "Qi Hou exterminates Lai", Chengyang belongs to Qi.

In the 26th year of the first emperor (221 BC), after the unification of China by the Qin Dynasty, Langya county was set up, Buqi county and Buqi city was built in Chengyang. Chengyang was set up in the county administration, making Chengyang the political, economic and cultural center of one side.

During the Western Han Dynasty, Buqi city was expanded and a palace was built in the city to stay. After the Han Dynasty, Lu Zhi granted the Marquis of Buqi to his people. In the sixth year of Jianwu (30 years), the Eastern Han dynasty built a Buqi Marquis state in Buqi County, and appointed Fu Zhan as Buqi marquis. After that, the Fu family attacked the Marquis for seven generations, but not for the marquis.

In the 19th year of Jian'an (214), Buqi Marquis was abolished.

After the founding of the people's Republic of China, Buqi county was changed to Donglai county.

In the Western Jin Dynasty, Changguang county was established, and its governance was not based on its city. During the period of Sixteen States in the Eastern Jin Dynasty, the subordination of Buqi county was changeable, and it belonged to the later Zhao, the former Yan, the former Qin, the Eastern Jin and the Southern Yan.

In 556, Buqi county was abolished and established in Changguang county.

In the 16th year of kaihuang of Sui Dynasty (596), Buqi county was re established, and soon it was abolished. Its land was merged into Jimo county. Since then, Chengyang lost its status as an independent administrative entity (county) and became a part of Jimo county.

In Tang and Song Dynasties, Chengyang still belonged to Jimo County, Laizhou.

After the establishment of Ming Dynasty, Chengyang society, Beiqu society and Buqi society belonged to Liren township of Jimo County, while Wenliang society belonged to Renhua township of Jimo county. In 1392, five juntuns were set up in Liren township of Jimo County, and one juntun was set up in Chengyang community to handle military households. This is one of the sources of the surnames of the residents in Chengyang area. During Hongwu (1368-1402) and Yongle (1403-1425) of Ming Dynasty, many immigrants from Yunnan moved to Yangli village.

In the Qing Dynasty, the affiliation of Chengyang society, Beiqu society, Buqi society and Wenliang society remained unchanged. In 1912, after the founding of the Republic of China, the rural community system was changed to district township system. Chengyang Township and Buqi Township belong to Liren District of Jimo County, and Wenliang Township belongs to Renhua District of Jimo county. In 1928, Chengyang township was changed to Chengyang town.

In July 1943, Jimo County Committee of the Communist Party of China established the Fifth District Committee and District Office of Jimo county. Chengyang Town, Buqi Township and Wenliang Township belong to the five District democratic government. In August 1945, Chengyang Town, Buqi Township and Wenliang Township were transferred to the democratic regime of Chengyang District of Jimo county.

In June 1949, after the liberation of Chengyang area, the CPC Jimo County Committee established the CPC Chengyang Town Committee and town office, and Chengyang town became the established town of Jimo county.

In October 1950, Chengyang District of Jimo County abolished the establishment of the seventh district of Jimo county. In October 1955, it was renamed Zhongcun District of Jimo county. In March 1956, Chengyang town and Zhongcun District of Jimo County merged to form Chengyang District of Jimo County, forming the current jurisdiction. In September 1958, Jimo Chengyang people's commune was established under the jurisdiction of Chengyang District.

In March 1961, Chengyang people's commune was transferred from Jimo to the suburb of Laoshan in Qingdao, and in November it was renamed Chengyang people's commune in Laoshan county. In June 1984, Chengyang people's commune of Laoshan county was abolished and Chengyang town of Laoshan county was established. In December 1988, it was renamed Chengyang town of Laoshan District. In May 1994, Chengyang District of Qingdao was established, and Chengyang town was put under Chengyang District. On June 13, 2001, Chengyang town was abolished and Chengyang sub district office of Chengyang District was established. The jurisdiction of the office remains unchanged.

In 2013, according to the administrative planning of Qingdao, the Red Island Economic Zone (high tech Zone) of Qingdao was established. The former Red Island street and Hetao street of Chengyang District were classified as the Red Island Economic Zone (high tech Zone). Therefore, the six streets under the jurisdiction of Chengyang District are Chengyang, Liuting, Xiazhuang, Xifu Town, Jihongtan and Shangma street.

administrative division

By 2019, Chengyang District has jurisdiction over 8 streets, and the district government is located at 201 Zhengyang Road.

geographical environment

Location context

Chengyang District is adjacent to Laoshan District in the East, Licang District in the south, Jiaozhou Bay in the west, Jiaozhou City in the north and Jimo District in the north. It is located at 120 ° 12 ′ E and 36 ° 20 ′ n with a total area of 553.2 square kilometers.

topographic features

The landform of Chengyang District is composed of low mountains and hills and low-lying plain. Chengyang street, Xifu Town Street, east of Xiazhuang street, part of Hetao street and Hongdao Street are low mountains and hills, and the rest are plain and low-lying areas. The planned land is mainly farmland with low, gentle and flat terrain and small fluctuation.

The eastern hills of Chengyang District belong to the branch of laoding, the main peak of Laoshan Mountain, with an altitude of less than 700 meters and an east-west trend. The eastern low mountains are mainly the remaining veins of the North Branch of Shandong, with the main peak of 683 meters above sea level; the North Branch of Tieqi mountain, with an altitude of 328.8 meters; the Southwest Branch, north of zibaisha River, west of shanseyu River, North and west of xifuzhen River, successively includes Shicheng mountain, Fenghuang mountain, Hongshiya, wangqiaogu, Laojun Mountain, Wawu mountain, shanseyu mountain, etc., with the main peaks mostly below 300 meters above sea level. The areas of low mountains and hills are 81.1 square kilometers and 88.9 square kilometers respectively.

hydrologic condition

Chengyang District is located in Jiaodong Peninsula, its rivers are monsoon rain source type, and most of them flow into the sea alone. The development and distribution of river system are obviously controlled by topography and landform. The main rivers in the region are Baisha River, momohe River, Hongjiang River, Taoyuan River, Dagu River, etc.

climatic conditions

Chengyang District is located in the north temperate monsoon region, belonging to the temperate monsoon climate. Due to the direct regulation of the marine environment, the urban area is affected by the southeast monsoon, current and water mass from the ocean, so it has a significant marine climate characteristics. Humid air, abundant rainfall, moderate temperature, four distinct seasons. In spring, the temperature rises slowly, one month later than the inland; in summer, it is hot and humid, but there is no heat; in autumn, the weather is clear, the precipitation is less, and the evaporation is strong; in winter, the wind is strong, the temperature is low, and the duration is longer. The extreme high temperature is 37.4 ℃ (July 27, 1997), and the extreme low temperature is - 16.4 ℃ (January 10, 1931). August is the hottest, with an average temperature of 25.1 ℃; January is the coldest, with an average temperature of - 1.2 ℃. Qingdao is directly influenced by the sea and has obvious characteristics of sea and land breeze.

natural resources

ocean resources

Chengyang sea area is located in the north coast of Jiaozhou Bay. The sea area has vast tidal flat, fertile water quality, mostly mud and sand. It is an excellent sea area for the development of shellfish culture. As of the end of 2002, there are 160000 mu of shallow beach in the region, with more than 80000 mu of developed and utilized area. There are more than 10 kinds of shellfish, such as Ruditapes philippinarum, Scapharca subcrenata, Sinonovacula constricta, SOLEN aculata, Pacific oyster, oyster Dalian, oyster pleated, red snail and mud snail. The results show that the sea area has high nutrient content and sufficient supplementary sources. The salinity is almost in a vertical uniform state in a year. The maximum monthly average salinity variation is 5.06 ‰ and the minimum is 0.47 ‰.

mineral resources

Chengyang District is dominated by non-metallic minerals, mainly including granite, basalt, clay for brick and tile, mineral water, purplish red clay rock, andesite, yellow sand, chalk soil, black perlite, Maifanshi and low-grade brine. 15 kinds of minerals have been found, including 12 kinds of non-metallic minerals and 3 kinds of water vapor minerals. The initial ore source is about 15 million cubic meters. Granite, mainly distributed in Xiazhuang, Xifu Town and Chengyang, is rich in reserves; basalt, distributed in the coastal areas of Hetao, Jihongtan southeast and Shangma East; mineral water, distributed in Chengyang, Xiazhuang and Xifu Town, is rich in natural resources, including strontium type, germanium type, metasilicic acid type and strontium metasilicic acid compound type. The water quality contains a lot of trace elements beneficial to human body Strontium, metasilicic acid, calcium, iron, sodium, germanium, iodide and other more than 30 species; chalky soil, Xifu Town of Xiaozhuang has a small amount of reserves; fluorine ore, distributed in the south of Hongbu community, Liuting Street office, reserves are very small; silicon ore, mainly distributed in the south of Xiazhuang street muzishan, reserves are very small; Maifanshi deposit, mainly distributed in Chengyang street Wangtuan hilly area, Hongdao street Houhan community has abundant reserves; clay for brick and tile is distributed in the area with different reserves. The purple red sandy clay rock in Jihongtan area has good quality and large reserves.

Wind energy resources

The effective wind energy density in Chengyang District is 240.3 w / m2, with an average annual time of 6485 hours.

Solar energy resources

The total annual solar radiation in Chengyang District is 120 kcal / cm2, and the average physiological radiation is 60.8 kcal / cm2. The radiation from May to June is 28.9 kcal / cm2, and from March to November is 103.5 kcal / cm2, which is good for crop growth. The annual average sunshine hours are 2622.3 hours, 268 hours in May, 187.5 hours in December and 2050.3 hours from March to November, and the annual sunshine percentage is 60%.

Biological resources

There are more than 1300 kinds of organisms in Chengyang District, among which, animals are the most important

Chinese PinYin : Shan Dong Sheng Qing Dao Shi Cheng Yang Qu