Changes in Dingbian County, Yulin City, Shaanxi Province

Dingbian County is located in the northwest corner of Shaanxi Province and the westernmost part of Yulin City. It is a transitional zone between the Loess Plateau in Inner Mongolia and the Ordos desert grassland. It is located at10715'-108 22' east longitude and 36 49'-37 53' north latitude. East to southeast, it is connected with Jingbian County and Wuqi County of this province; South to southwest, connected with Huachi County and Huanxian County in Gansu Province; It borders Yanchi County of Ningxia Hui Autonomous Region in the west and Otog Banner and Wushen Banner in early Inner Mongolia in the north to the northeast, which is the border of Shaanxi, Gansu, Ningxia and Mongolia. It is 303 kilometers east of Yulin City, 647 kilometers south of the provincial capital Xi City, 0/70 kilometers west of Yinchuan City, the capital of Ningxia, and 0/270 kilometers north of Beijing. Since ancient times, transportation has been convenient, merchants have gathered and economic exchanges have been extremely active. Known as the "dry dock", provincial roads, national roads and expressways are connected vertically and horizontally in the county. The west of the county seat is 0/55km away from Ningxia Hedong Airport/KLOC-,and the China-Pacific Railway (Ningxia Zhongwei-Shanxi Taiyuan) will be built soon.

The county has a vast territory, with a length of 1 18km from north to south and a width of 98km from east to west, with a total area of 6920km2, ranking third in the province. The White Mountains in the central part cross the east and west, radiating north and south, and divide the whole county into two types of landforms: Baiyu Mountain in the south is a hilly and gully region, accounting for 52.78% of the total area; The northern part is the sandy beach area on the southern edge of Mu Us Desert, accounting for 47.22% of the total area. County elevation1303-1907m. Long100000, across the county.

Dingbian has a temperate semi-arid continental monsoon climate. The main features are windy in spring, dry in summer, rainy in autumn, severe cold in winter, abundant sunshine, late rainy season and large annual variation of rainfall. The annual average temperature is 7.9℃, the annual average sunshine is 2743.3 hours, the annual average rainfall is 3 16.9mm, the annual average frost-free period is about 1, 4 1 day, and the absolute frost-free period is 65438.

The rivers in the territory include Lion River, Anchuan River, Shilao River, Xin 'anbian River, Liuhong River and Bali River (inland river), all of which originated in the mountainous area of White.

The county has jurisdiction over 1 1 town, 14 township, 334 villagers' committees, 8 residents' committees, 2 sub-district offices and 20 10 villagers' groups. The total population of the county is 310.5 million, of which 273,400 are agricultural, accounting for 85.5% of the total population. There are Hui, Mongolian, Manchu, Tibetan and other ethnic minorities in the county 132 1 person.

administrative division

Dingbian county is located at the westernmost end of Yulin area. It borders Otog Banner in Inner Mongolia in the north, Yanchi County in Ningxia and Huanxian County in Gansu Province in the west, Wuqi County in Yan 'an City in the south and Jingbian County in the east. It is118km long from north to south and 98km wide from east to west.

Jurisdiction over Dingbian Town, Hequan Town, Hongliugou Town, Zhuanjing Town, Bainijing Town, Anbian Town, Duiziliang Town, Baiwanzi Town, Jiyuan Town, Yang Jing Town, Xin 'anbian Town, Yanchangbao Township, Zhoutaizi Township, Shidonggou Township, Haotan Township, Youfangzhuang Township and Jipan Township1/kloc-0.

The development of history

Fixed boundary means "fixed boundary".

Dingbian camp was established in the sixth year of Chenghua in Ming Dynasty (1470), and Dingbian county was established in the ninth year of Yongzheng in Qing Dynasty (173 1). The southern mountainous area was liberated in 1936 and was once under the jurisdiction of the "Trilateral Division" in the Shaanxi-Gansu-Ningxia Border Region. After the national liberation, Anbian County was merged into Dingbian County.

? Annual jurisdiction: Dingbian Town Hongliugou Town Brick Well Town Anbian Town Hequan Township Yanchangbao Township Zhoutaizi Township Bainijing Township Haiziliang Township Shidonggou Township Haotan Township Duiziliang Township Baiwanzi Township Youfangzhuang Township Jipan Township Jiyuan Township Fengdikeng Township Baoziwan Township Liumaozi Township Yang Jing Township Huangwan Township Xuezhuang Township Xin 'an Border Township Baima Township Zhang Qin.

? Jurisdiction 1 1 town, 19 township, 338 village committees.

natural resource

Animal husbandry is rich in biological resources and is one of the important animal husbandry base counties in China. Livestock and poultry include cattle, donkeys, mules, horses, sheep, pigs, rabbits and chickens. There are about 70,000 domestic animals (3,000 cows) and about 500,000 sheep, including 40 white cashmere goats/kloc-0, which is a rare breed, with 50,000 in the year of the pig. Among the plant resources, the main grain and oil crops are buckwheat, potato, millet, pea, black bean, millet, wheat, corn, flax, mustard, oil sunflower and so on. The annual output of edible oil is about 1 10,000 tons, and the supply of commercial oil accounts for13, which is known as the "oil sea" in northwest China. In recent years, the emerging pepper industry has become a new economic growth point in this county. North beach vegetable base has passed the certification of national pollution-free vegetable base, and "XXX" brand peppers are exported to more than ten provinces and cities.

Dingbian County is rich in land resources, and it is one of the big counties with a vast territory and a sparsely populated area in Shaanxi Province, ranking third in the province. The county has a large amount of land resources, with 42 mu of land per capita, which is 3.4 times higher than the provincial average of 9.5 mu and 2.5 times higher than the national average of 12 mu. According to the existing cultivated land area, the county's per capita cultivated land area is 6.3 mu, which also greatly exceeds the provincial and national per capita level. Moreover, the soil layer is deep, suitable for farming and can meet the requirements of one crop a year. In the total land area of the county, the planting area accounts for 28.03%, and the forest and grass area accounts for 54.39%. And the light is sufficient; Light, heat and water are basically in the same season, and the large temperature difference is beneficial to crop growth and sugar accumulation.

Dingbian County is rich in mineral resources such as oil, natural gas and crude salt, and has unique resource advantages. The Shaanxi-Gansu-Ningxia gas field, where Dingbian County is located, is the largest onshore comprehensive gas field in China, which is a world-class gas field. Accumulated proven reserves have been submitted to 654.38+072.7 billion cubic meters, and it is planned that reserves will not be submitted to 500-654.38+000 billion cubic meters by this century. It is predicted that the prospective reserve of the Shaanxi-Gansu-Ningxia Basin is 360 million cubic meters, accounting for 12% of the whole country. The gas layer has good connectivity and stable pressure, and it belongs to "dry gas". The content of hydrogen sulfide is very small.

Oil is also a unique and advantageous resource in Dingbian County. The oil resources in this county are widely distributed. It is predicted that the storage area of the eight major oil areas in the county is 780 square kilometers, and the reserves are nearly 654.38 billion tons. The total reserves of the three oil fields with proven exploitation value are 25 million tons. The oil layer is distributed like a chicken nest.

Raw salt is one of the traditional "three treasures" in Dingbian County (the other two treasures are fur and licorice). It is the only raw salt production base in Shaanxi. Raw salt mining has always been one of the important pillars for the stable development of border economy. Raw salt is mainly distributed in Yanchangbao, Bainijing, Zhoutaizi and other towns in the northwest of the county. 0/4 large and small salt lakes/kloc-with a total area of 3,400 mu. The predicted reserves are 60 million tons, and 32.92 million tons have been proved, with an annual salt production capacity of 654.38+10,000 tons.

In addition, the county is rich in mirabilite, magnesium sulfate, sandstone and clay. There is coal in some areas, but it is deeply buried, which affects development.