Seda County

Seda county is a county under the jurisdiction of Ganzi Tibetan Autonomous Prefecture in Sichuan Province. Located in the northeast of Ganzi Prefecture, it is 31 ° 38 ′ - 33 ° 20 ′ N and 98 ° 48 ′ - 101 ° 00 ′ E. It is located in the intersection of Sichuan Province, Qinghai Province, Aba Prefecture, Ganzi Prefecture and goluo Prefecture of Qinghai Province, and the junction of Rangtang County, Ganzi County, Luhuo County, Shiqu County, dari county and Bama County. It is adjacent to Rangtang County of Aba Tibetan and Qiang Autonomous Prefecture in the East, Bama County and dari County of Qinghai Province in the north, Ganzi County and Luhuo County of Ganzi Prefecture in the West and south.

Seda County

Seda county is a county under the jurisdiction of Ganzi Tibetan Autonomous Prefecture in Sichuan Province. Located in the northeast of Ganzi Prefecture, it is 31 ° 38 ′ - 33 ° 20 ′ N and 98 ° 48 ′ - 101 ° 00 ′ E. It is located in the intersection of Sichuan Province, Qinghai Province, Aba Prefecture, Ganzi Prefecture and goluo Prefecture of Qinghai Province, and the junction of Rangtang County, Ganzi County, Luhuo County, Shiqu County, dari county and Bama County. It is adjacent to Rangtang County of Aba Tibetan and Qiang Autonomous Prefecture in the East, Bama County and dari County of Qinghai Province in the north, Ganzi County and Luhuo County of Ganzi Prefecture in the West and south.

In 2011, the area under the jurisdiction of Seda county was 9338.98 square kilometers, with jurisdiction over 2 towns, 15 townships and 134 administrative villages. At the end of the year, the total population was 45661, the birth rate was 11.09 ‰, and the natural population growth rate was 6.19 ‰.

In 2011, the GDP of Seda county was 382 million yuan, an increase of 13% over 2010. The added value of the primary industry was 197 million yuan, an increase of 6.9% over 2010; the added value of the secondary industry was 33.45 million yuan, an increase of 14.6% over 2010; the added value of the tertiary industry was 151 million yuan.

Seda County covers an area of 1.8 square kilometers, with 7802 permanent residents and an average of 8000 floating population for many years. It is the political, economic and cultural center of the county. The county is composed of "three vertical and six horizontal" streets with "well" shaped roads. Seda county is a Tibetan dominated ethnic community with the highest altitude, the coldest climate and the worst natural conditions in Ganzi Prefecture.

The origin of the name of Seda County, after textual research, is mainly due to the discovery of a horse shaped gold in the early years of setang, so it is called "Golden Horse".

On September 25, 2018, it won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce.

Historical evolution

Seda county has a long history. As early as 3000 years ago, human beings have been living here. Dong clan, one of the six ancient Tibetan clans, lived a nomadic life of chasing water and grass. The local people call it "agalomai", which means ape man.

Seda county was a place of Qiang Nationality in ancient times.

Tang and song belong to Tubo.

The Yuan Dynasty belonged to the mansion of Marshal Si Du, the propaganda and consolation envoy of Tubo and other roads.

The Ming Dynasty was under the control of Wusi Tibetan government, which was under the jurisdiction of the commander of duogan Xingdu. At the end of Ming Dynasty, a part of vashu bone system moved to sedaduko and nomaded in the upper reaches of sedaduko.

In the Qing Dynasty, when Kangqu district changed its land and returned to Liuzhou, Zhao Erfeng wrote many times to inform Seda that Guicheng failed.

The Qing Dynasty was a place without political power, which remained unchanged during the period of the Republic of China.

In August 1952, Seda was peacefully liberated. The government of Xikang province established Seda County, which belongs to Ganzi Prefecture, Sichuan Province. In November 1955, the county was approved by the State Council.

administrative division

By the end of 2011, Seda county has a total area of 9338.98 square kilometers, with jurisdiction over 2 towns, 15 townships and 134 villages: Seke Town, wengda Town, luoruo Township, Huoxi Township, nianlong Township, daze Township, Tazi Township, Dazhang Township, Yalong Township, Tazi Township, niduo Township, ranchong Township, Kangle Township, Xuri Township, geletuo Township, Jiaxue Township and Yangge township.

Population nationality

According to the fifth census data, Seda county has a total population of 41450.

By the end of 2011, Seda county had a total population of 45661, with a birth rate of 11.09 ‰ and a natural growth rate of 6.19 ‰.

geographical environment

Location context

Seda county is located in Southwest China, Southeast of Qinghai Tibet Plateau, northwest of Sichuan Province, northeast of Ganzi Tibetan Autonomous Prefecture, 31 ° 38 ′ - 33 ° 20 ′ n, 98 ° 48 ′ - 101 ° 00 ′ E. It is located in Sichuan, Qinghai, Aba Prefecture, Ganzi Prefecture and Guoluo Prefecture of Qinghai; the junction of Rangtang County, Ganzi County, Luhuo county and Shiqu County, dari county and Bama County of Guoluo Prefecture, adjacent to Rangtang County of Aba Tibetan and Qiang Autonomous Prefecture in the East, Bama County and dari County of Qinghai Province in the north, Ganzi County and Luhuo County of Ganzi Prefecture in the West and south, with a total area of 9338.98 square kilometers.

topographic features

The terrain of Seda county is complex. It is located at the south foot of Bayan Har mountain. The geotectonics belongs to the Bayan Har mountain fold belt of Western Sichuan geosyncline system. The altitude of the whole area is more than 4000 meters. The whole terrain inclines from northwest to Southeast, with high northwest and low southeast.

Most of Seda county is a typical hilly plateau with dense streams and rivers in the northwest, poor drainage and marsh development. The grade difference is less than 30 degrees, a few peaks protrude 700-900 meters above the plateau, and the elevation is more than 4000 meters, which is a typical hilly plain landform, with a relative height of 500-1000 meters; the balba river valley below 3500 meters, with deep rivers and serious water erosion, is a plateau mountainous plain landform. In the total area, plateau area accounts for about 84%, Shanyuan area accounts for 15%, and Pingba area accounts for 1%.

The whole territory of Seda county is cut by three faults, northwest or west, belonging to the West Wing of Jintang arc. The Seda fault crosses the upper Hongke of Niqu (River) along the line of geletuo luoruo Seda, the Kangle fault crosses the Niqu (River) basin along the line of Tazi Kangle, and the Xianshuihe fault appears only on the right side of Daqu (River). Except the geletuo luoruo Seda fault, which is relatively stable, the other faults are active.

hydrology

There are four big rivers in Seda County, with wide and shallow valleys, many branches and central beaches, and the first terrace developed, forming plateau flat dam. Daqu River and Niqu River are Yalong river system. Niqu river originates from the south foot of Bayankala mountain, with a flow length of about 230 km. Duqu River and sequ River are Dadu River system, and sequ river originates from tuorugou and other places, with a flow length of 144 km. The annual average runoff is 4.936 billion cubic meters, and the water energy reserves are 63479 million kilowatts. The water energy reserves of sequ River and Niqu river alone are more than 260000 kilowatts. The basin covers an area of 100 square kilometers, with 18 tributaries.

climate

The climate of Seda county is continental plateau monsoon type. The annual average temperature is - 0.16 ℃, the average temperature in January is - 11.1 ℃, the average temperature in July is 9.9 ℃, the extreme minimum temperature is - 36.3 ℃, the extreme maximum temperature is 23.7 ℃, there is no summer in long winter, frost and snow can appear in four seasons, and the atmospheric oxygen content is less than 60% of the standard. The average daily temperature is above 3 ℃, and the annual total solar radiation is 80-200 kcal / cm.

The annual average sunshine hours in Seda county are 2451.1 hours. The average precipitation is 65l4mm, mostly from June to September. The annual average frost free period is 21 days in the whole territory. The area below 3700m above sea level is slightly longer, and there is no absolute frost free period at high altitude.

resources

Biological resources

By the end of 2002, the forest coverage rate of Seda county was 2.67%, and the total volume of standing trees was 8.075 million cubic meters.

In 2008, there were more than 1000 kinds of medicinal plants and 10 kinds of medicinal animals, especially Cordyceps, rhubarb and Fritillaria.

Seda County forage to sedaceae, Gramineae, Compositae and Rosaceae family composition, about 56 families, 259 species, can be used as feed of more than 100 species, livestock resources mainly yak, yak, horse, grassland type Tibetan sheep and goat combination.

Mining resources

There are 21 gold, silver, copper, tin, zinc, mercury, peat and marble deposits in Seda County, with gold reserves of more than 10 tons. Placer gold deposits are distributed in four rivers.

land resource

Seda county has a total area of 9338.98 square kilometers. In 2002, the grassland area of Seda county was 6653.73 square kilometers, accounting for 71.2% of the total area. By the end of 2010, there were 6654 square kilometers of grassland and 1714 square kilometers of woodland.

Economics

overview

In 2010, the GDP of Seda county was 299 million yuan, an increase of 12.8% over 2009. The added value of the primary industry was 143 million yuan, up 1.8% year on year; the added value of the secondary industry was 27.54 million yuan, up 38.6% year on year; the added value of the tertiary industry was 130 million yuan, up 13.2% year on year. The per capita GDP reached 6663 yuan, a year-on-year increase of 12.2%.

In 2011, the GDP of Seda county was 382 million yuan, an increase of 13% over 2010. The added value of the primary industry was 197 million yuan, an increase of 6.9% over 2010; the added value of the secondary industry was 33.45 million yuan, an increase of 14.6% over 2010; the added value of the tertiary industry was 151 million yuan.

primary industry

In 2002, the sown area of grain in Seda county was 720 hectares, the sown area of other crops was 15 hectares, and the total grain yield was 1880 tons. It mainly produces wheat, highland barley, peas, peas, potatoes and other crops once a year.

In 2007, the total growth rate, selling rate and commodity rate of livestock in Seda county were 23.98%, 23.25% and 13.84% respectively. At the end of 2007, there were 431.67 million heads of all kinds of livestock on hand. In the whole year, 75 tons of yak split meat and 6 tons of Yak jerky with various flavors were produced, realizing an output value of 727000 yuan

Chinese PinYin : Se Da Xian Cheng