Dinghu District, Zhaoqing City, Guangdong Province

Dinghu district is located in the west of the central part of Guangdong Province and the lower reaches of Xijiang River. It is an important part of the downtown area of Zhaoqing and one of the main parts of the reform and development planning of the Pearl River Delta region. Its land area is located in the south of the Tropic of cancer, between 112 ° 30 ′ ~ 112 ° 57 ′ E and 23 ° 05 ′ ~ 23 ° 15 ′ n; it is adjacent to Sanshui District of Foshan City in the East, Sihui City in the north and Nanhui city in the south Gaoyao District borders Duanzhou District of Zhaoqing City in the West. The whole terrain is high in the northwest and low in the southeast. In the north is Dinghu Mountain group of Beiling mountains. In the middle is plain area. In the south is Langke mountain which extends eastward. Tongdinghu mountain stands across the river. Xijiang River runs through the middle. The highest peak is Jilong mountain, with an altitude of 1000.3 meters. The total area of the region is 596 square kilometers. Dinghu district starts from changchong village in Yong'an town in the East, ends at shangshuitian village in Fenghuang town in the west, starts from su'er village in Shapu town in the South and ends at Liangtian village in Fenghuang town in the north.

Dinghu district is known as the land of fish and rice, and Wenqing carp, a tribute of all dynasties, is famous all over the world. Dinghu district was originally under the jurisdiction of Gaoyao City. It was established by Emperor Wu of Han Dynasty in Yuanding 6 years ago, with a history of more than 2000 years. It was the Fourth District of Gaoyao from the period of the Republic of China to the beginning of the people's Republic of China. In 1988, the people's Government of Dinghu district was established under the jurisdiction of Zhaoqing City. Dinghu district is named after Dinghu Mountain.

Dinghu district is one of the earliest intersections of Lingnan culture and Central Plains culture. Traditional culture is rich in accumulation and has its own characteristics. Dinghu Lake in Zhaoqing is a holy land of outstanding people and spirit.

The Xijiang waterway, 321 national highway and Guangmao railway are three important traffic arteries that run through the whole territory in the shape of "Sichuan", which is the throat of the Xijiang River. In addition to the Nanning Guangzhou railway, Guiyang Guangzhou railway, Guangzhou Foshan Zhaoqing intercity railway, Jiangzhao Expressway and the Guangzhou Foshan Zhaoqing Expressway under construction, Dinghu will develop into a traffic hub in central and western Guangdong. It is 80 kilometers away from Guangzhou by land and 140 nautical miles away from Hong Kong by water.

Historical evolution

Dinghu has a long history. As early as 5000 years ago, in the late Neolithic age, the ancestors of Xiajiang village in Yong'an and longyi village in Guicheng lived there. They made a living by fishing and hunting.

Gaoyao county was established in the sixth year of Yuanding (111 BC) in the Western Han Dynasty, which was subordinate to Cangwu county. Dinghu was under the jurisdiction of Gaoyao county.

During the Hongwu Period of Ming Dynasty, Xiang Township capital map system was implemented. Dinghu belonged to Xiawei Township and Qinren township of Gaoyao county.

In the fifth year of Xianfeng in the Qing Dynasty (1855), it belonged to wenmingbao, the first district of touban, Gaoyao County, and the sixth and seventh districts of the fourth class.

In 1928, the district township system was carried out and DuPu was changed into township.

In the 26th year of the Republic of China (1937), the class system was restored first, and then the Lianxiang office was changed. In September, Lianxiang office was changed into district office, which is Wenyuan Township in the fourth and first district of Gaoyao county. It has jurisdiction over 21800 households in 176 villages, with a total population of 85300.

In the 32nd year of the Republic of China (October 1943), Gaoyao County abandoned the town and contracted the township, which was a part of Dongwen Township in the first district and the fourth district.

In September 1950, it was the Fourth District of Gaoyao county and a small part of Shuangdong township of Zhaoqing town.

In May 1953, it was the eighth and ninth district of Gaoyao county. In February 1955, the eighth and ninth districts were renamed Guangli district and Yong'an district respectively.

In March 1957, small townships merged with big townships. The townships in Guangli District merged into Guangli Township, Wenyuan Township, Guiyuan Township, Jiukeng Township, touxi Township and Guangli town. The townships in Yong'an District merged into Bulang Township, Yong'an Township, xialiantang Township and Beishui township.

In March 1958, the district was withdrawn and the township was merged into Guangli Township, Yong'an Township and touxi township. In October of the same year, the people's commune was established, and the three townships merged to form Guangxing people's commune. The commune has one Regiment (Guangli), two regiments (Shapu) and three regiments (Yong'an), with battalions and companies in each regiment.

In July 1959, Guangxing people's commune was divided into Guangli, Yong'an and Shapu people's communes.

In April 1983, the district system was implemented, with Guangli, Yong'an and Shapu districts. The former brigade in the district was renamed township.

In November 1986, Guangli, Yong'an and Shapu towns were set up. Each township in the town was renamed village.

On January 7, 1988, with the approval of the State Council, Dinghu district was set up in Gaoyao County, which is a county-level district under the jurisdiction of Zhaoqing City (prefecture level).

On March 2, 1988, Dinghu District of Zhaoqing City was officially established, with jurisdiction over Guangli, Yong'an and Shapu towns.

administrative division

On April 13, 1988, the office of Kengkou management area was established. On November 23, the office of Kengkou management area was renamed as Kengkou office.

In March 1989, the administrative village was renamed management area.

On December 31, 1992, Kengkou office was renamed Kengkou sub district office, and Guicheng sub district office and Fenghuang town were set up from Guangli town.

In January 1993, Lianhua office was set up in Yong'an town. In April 1994, Lianhua office was renamed Lianhua town.

In June 1994, Beishui town preparatory group was set up from Yong'an town. In April 1995, Beishui town was established.

In October 1998, the rural administrative area was called the administrative village, and a villagers' committee was set up.

In January 2002, Beishui town was abolished and its administrative region was merged into Yong'an town.

In February 2002, Guangli town was changed into Guangli sub district office, and its village committee was changed into neighborhood committee.

As of December 31, 2009, Dinghu district has jurisdiction over Kengkou, Guicheng, Guangli street and Yong'an, Shapu, Lianhua and Fenghuang towns, with 53 villagers' committees, 28 community residents' committees and 397 natural villages.

As of December 31, 2011, Dinghu district has jurisdiction over three streets (Kengkou street, Guicheng Street and Guangli Street) and four towns (Lianhua Town, Yong'an Town, Fenghuang town and Shapu town), with 53 villagers' committees, 28 community residents' committees and 397 natural villages.

geographical environment

geographical position

Dinghu district has a unique geographical location. Located at 112 ° 30 '- 112 ° 57' e and 23 ° 05 '- 23 ° 15' n, it is located in the west of central Guangdong Province, the north of Pearl River Delta, the lower reaches of Xijiang River, Sihui City in the north, Sanshui District in the East, Gaoyao District in the South and Duanzhou District in the West. Xijiang waterway, national highway 321 and Sanmao railway run through the whole territory, which is the throat of water and land transportation in Guangdong and Guangxi. It is the hub of Commerce and trade in Southwest China.

topographic features

The landform of Dinghu district is unique. The north and south of Dinghu district are respectively Lanke mountain range and Beiling mountain range, the west is river valley, the middle is river network, and a large "U" shaped plain is formed in the middle. The highest Dinghu Mountain is located in the north of the West. The elevation of laoding, the main peak, is 1000.3 meters. The total area of the whole district is 596 square kilometers, including 268.59 square kilometers of plain river network and 295.44 square kilometers of mountainous hills In. There are seven soil types in the soil, which are red soil, red soil, yellow soil, calcareous soil, paddy soil, base water soil and tidal sand soil. Mountain soil, elevation 450 meters below is red soil, 450-470 meters red soil, 700 meters above yellow soil, submergence type rice five kinds of soil scattered in sand, and other places, mostly in the upper part of the hill terrace; the subtype of the distribution of the reservoirs in the mountain area, the east side, the plain and the low middle school in the whole area are the main farming areas, and also the key areas of water conservancy projects; * The subspecies are mainly distributed in Yong'an and Lianhua. At present, there are 122900 mu of cultivated land, including 106800 mu of water (dry) field and 16050 mu of dry land. Among the cultivated land, the area of medium and low yield farmland is 86000 mu, and the per capita cultivated land area in rural areas is 1.11 mu, which is one of the cities (counties) with more per capita cultivated land area in the Pearl River Delta.

climate

Dinghu district is located in the subtropical monsoon climate zone, the annual average temperature is 21.93 ℃, the extreme maximum temperature is 37.8 ℃, the extreme minimum temperature is 1 ℃, the average sunshine is 1815.72 hours, the average frost free period is 336 days, and the average annual total accumulated temperature is 1989.3 ℃. The annual evaporation is 1153 mm. Generally, the evaporation is high in summer and autumn, but low in winter and spring. The drought index is 0.69. In general, the climate of Dinghu district has the following characteristics: 1) abundant heat, but unstable temperature change; 2) sufficient sunshine; 3) abundant rainfall, water and heat in the same season, but uneven distribution, drought in spring and autumn.

hydrology

Dinghu district is located in Xijiang River Basin. The main stream of Xijiang River runs through the central part of the District, with a catchment area of 596 square kilometers and a main stream of 24.5 kilometers. The average rainfall is 1637 mm. According to the data records, the rainfall in the north and South Mountains is more than that in the plain river network area, and the distribution of rainfall is unbalanced. The flood season is from April to September every year, and the rainfall accounts for 77.09% of the whole year. The annual runoff is similar to the annual rainfall distribution, with an average runoff depth of 820mm and a total annual runoff of 461.37 million cubic meters.

natural resources

Animal resources

Dinghu district is one of the most biologically rich areas in Guangdong Province with superior natural and geographical conditions. The origin of biological species in the territory is ancient and there are many kinds. In 2009, there were 38 species (including subspecies) of mammals in Dinghu District, such as red muntjac, wild boar, civet, red cheeked mongrel, weasel badger, leopard cat and porcupine. There were 15 species listed as national key protected animals. Most species of rodentidae were the most common species, some species of bats, hoofed bats and fox bats and some insectivorous species in pterodactyls. There were 177 species (including subspecies) of birds, belonging to 17 orders 40 families;

plant resources

There are more than 2000 kinds of plants. In 2009, the forestry land area of the whole region was 409400 mu, accounting for 49.2% of the total land area of the whole region, with forest land area of 347200 Mu and forest coverage rate of 41.7%. The forest area is 351000 mu, the forest coverage rate is 43.8%; the volume of standing trees is 797900 cubic meters, and the annual growth is 36500 cubic meters. There are 5 national and Provincial Ecological Public Welfare Forests in the region