Huidong County, Liangshan Yi Autonomous Prefecture, Sichuan Province

Huidong County Huidong County, a county under the jurisdiction of Liangshan Yi Autonomous Prefecture of Sichuan Province, is located in the south end of Liangshan Yi Autonomous Prefecture and the northwest edge of Yunnan Guizhou Plateau. It is a humid monsoon climate zone in the west of the middle subtropical zone. It covers an area of 3226 square kilometers and has jurisdiction over 13 towns and 7 townships with a total population of 427800 in 2018.

Huidong County has a long history, simple customs, Jinsha River Canyon, Laojun beach and other scenic spots. Huidong County is located in the intersection center of six districts and counties in Sichuan and Yunnan provinces. The integration of Sichuan and Yunnan cultures has achieved the cultural characteristics of "integration of Sichuan and Yunnan, and bona Xidong". There are Huidong truffle, Huidong pine seed, Huidong black goat, Huidong oat wine and other characteristic products in the territory, and the characteristic food is a blend of Yi and Han; there are original folk songs and dances such as osobudi Yi costumes, Lisu gaqie Salar dance, Jinjiang drum music, Huidong Tiaohua, etc.

In 2018, Huidong County's GDP reached 14.329 billion yuan, a year-on-year increase of 6.9%.

Evolution of organizational system

Huidong was the land of qiongdu in the ancient Qin Dynasty. In the sixth year of Yuanding (111 BC), Emperor Wu of Han Dynasty, qiongdu was set up as a county, commanding 15 counties including qiongdu (now Southeast of Xichang City) and Huiwu (now west of Huili County). Huidong belongs to Huiwu County.

From 902 to 907-965, Huidong area was divided by local governments, such as "dachanghe state", "Datian Xingguo", "Dayi Ningguo" and "Dali State".

In 1382, it was transferred to Sichuan chief secretary.

In 1728, Ningyuan Prefecture was set up in Xichang. Dongchuan Prefecture belongs to Yunnan Province. Now most of Huidong Prefecture belongs to Ningyuan Prefecture. Songping and Tangtang areas along Jinsha River in the East belong to Dongchuan Prefecture.

Jiaqing 16 years (1811) set up qiaojiating governance, the eastern part of Huidong County now belongs to Yunnan, which is the good Changli of qiaojiating.

In the first year of the Republic of China (1912), the eastern part of Huidong County was changed to wawufen Prefecture, which belongs to Huili prefecture (now Huili County) in Sichuan Province. The eastern part of Huidong County belongs to Qiaojia county in Yunnan Province.

In 1913, Huili Prefecture was changed into Huili County, and wawufen Prefecture was changed into wawufen County, which was still under Huili County.

In 1935, wawufen county was abolished and changed into the Fourth District of Huili County. Soon, it was renamed as SCAD fish district.

On March 23, 1950, Huidong was liberated.

On July 1, 1952, Huidong County was established in the eastern part of Huili County and some areas west of Jinsha River in the Second District of Qiaojia county, Yunnan Province. The county government was stationed in caiyuba (now caiyuhe town) and subordinate to Xichang Commissioner's office of Xikang province.

In October 1955, Xikang province was withdrawn and merged into Sichuan Province, and Huidong County was then subordinate to the office of Xichang Commissioner of Sichuan Province.

In October 1978, Xichang Prefecture was removed and merged into Liangshan Yi Autonomous Prefecture, and Huidong County was changed into Liangshan Prefecture.

administrative division

As of June 2019, Huidong County has jurisdiction over 7 townships and 13 towns, namely caiyuhe Town, lead zinc Town, Wudongde Town, Jiangzhou Town, DuGe Town, Tangtang Town, tieliu Town, Songping Town, Xinjie Town, Gaji Town, Manyingou Town, Dacong Town, Luji Town, Jiangxi Street Town, yezu Town, Lama Town, laojuntan Town, Xiaoba Town, yeniuping town and Liugu town. The county people's government is located at 115 Zhengtong Road, Huidong town.

geographical environment

Location context

Huidong County is located at 102 ° 20 ′～ 103 ° 03 ′ E and 26 ° 12 ′～ 26 ° 55 ′ n. It is located in the southwest of Sichuan Province. It faces Qiaojia county, Dongchuan District and Luquan County of Yunnan Province across Jinsha River in the East and south, adjacent to Huili County in the West and Ningnan County in the north. The county is 229km away from Xichang City in the north, 144km away from Panzhihua City in the West and 440km away from Kunming City in the south. Huidong County is 72 km from east to west and 81 km from north to south, covering an area of 3226 square kilometers.

topographic features

Huidong County is located in the northwest edge of Yunnan Guizhou Plateau, in Huili Dongchuan section of Hengduan Mountains. The maximum distance between East and West is 72 kilometers, and the maximum distance between North and south is 81 kilometers, with a total area of 3226 square kilometers. The terrain of the area is high in the middle, gentle in the west, continuous in the north, steep in the East and south, and low in the Jinsha River Valley. The landform is mainly mountainous, followed by mountain plain, flat dam, platform and a small number of hills. The main mountain ranges are Lunan mountain range, Dahei Mountain range and LuKun mountain range. The highest peak is located in the tight tuyere cloud pan of Baishan Township in the middle of Huidong, with an altitude of 3331.8 meters; the lowest point is located at the confluence of mojiagou and Jinsha River in the northeast corner of Huidong, with an altitude of 640 meters.

climate

Huidong County belongs to the humid monsoon climate zone in the west of mid subtropical zone. The main characteristics are more sunshine hours, strong evaporation; concentrated rainfall, distinct dry and wet seasons; small annual temperature range, large daily temperature range; warm winter without severe cold, short summer without severe heat, four seasons like spring. The annual average temperature of Huidong is 16.2 ℃, the accumulated annual average sunshine is 2306.4 hours, the frost free period is 262 days, the solar radiation is strong, the annual average total amount of radiant heat is 136.2 kcal / cm2, and the annual average precipitation is 1095.5 mm. However, the vertical climate changes greatly, and the alpine snow and canyon are hot. The temperature rise and fall fluctuate greatly. Due to the variety of terrain and large elevation difference, the climate in valley, middle mountain and high mountain areas is different. Jinshajiang River Valley is hot and dry, with long summer and no winter, high temperature, drought, little rain, large evaporation, and prominent contradiction between water and heat. In Zhongshan area, the temperature rises and falls with great fluctuation, commonly known as "there are four seasons in a mountain, and different days in ten Li". The three-dimensional climate with small annual temperature range, large daily temperature range, and large vertical difference is significant. The dry and wet seasons are obvious, the rain and heat are basically the same season, and the light and heat resources are rich. In high mountain areas, it is cold all year round, with long winter and no summer.

hydrology

Huidong County has developed water system, which is controlled by geological structure and landform. The main rivers are Jinsha River and its primary tributaries, Caiyu River, Daqiao River, Tiechang River and Yanba River, with a total length of 562 km; 458 secondary and tertiary tributaries, with a total length of 315.9 km. They all take Jinsha River as the axis and form a semi pinnate distribution, flowing into Jinsha River from north to South or from west to East. The river network density is 0.1 km / km2, the total runoff is 1.498 billion cubic meters, and the inflow water is about 386 million cubic meters. Jinsha River has about 120 billion cubic meters of water. The largest river in the territory is Caiyu river. From madianliangzi, Mazong Township, Huili County to Hemenkou, it flows through nine townships, including xiaochahe, Changxin, Baiyan, Gaji, Luozuo, Huoshi, tieliu, Kehe, with a flow length of 93.8 km, a drainage area of 813 square kilometers and an average annual flow of 10.3 cubic meters per second. The main tributaries are yezu River, shimacao River, Guancun River, xiaochahe River, Xiaohe River and Fapi river , Gaji River, Longtan River, tieliu River, etc.

natural resources

mineral resources

The discovered minerals in Huidong County include iron, manganese, titanium, copper, lead, zinc, aluminum, magnesium, nickel, cobalt, mercury, gold, silver, platinum group, niobium, tantalum, lanthanum, cerium, yttrium, germanium, gallium, cadmium, uranium, thorium, phosphorus, sulfur, arsenic, barite, graphite, gypsum, talc, refractory clay, brick clay, brick shale, dolomite, limestone, limestone, process stone and calcite There are more than 50 kinds of building sand, building stone and geothermal (hot spring). After exploration and evaluation, there are 116 mineral deposits with resource reserves, accounting for 34.7% of the total number of existing mineral deposits in the county. Among them, there are 1 deposit with reserves (recoverable reserves), 8 deposits with basic reserves, and the remaining deposit points are identified and potential resources. More than 50 kinds of minerals have been proved, including 334 mineral fields. The dominant minerals are iron, copper, lead-zinc, titanium, phosphorus, sulfur, limestone, silica, barite, etc. the mineral resources are mainly concentrated in Manyingou Town, lead-zinc Town, Songping Town, Tangtang Town, tieliu town.

plant resources

There are 181 families, 571 genera and 1420 species of woody, herbaceous and liana plants in Huidong County, including 169 families, 499 genera and 1391 species of vascular plants, 10 families, 14 genera and 26 species of pteridophytes and 2 families, 2 genera and 3 species of bryophytes. In addition to the common timber, fruit trees, trees and shrubs, there are woody grain and oil tree species such as walnut, chestnut, tung oil tree, Jatropha curcas, Sapium sebiferum, Zanthoxylum, Camellia oleifera, camellia, castor; economic tree species such as palm, Ligustrum lucidum, lacquer tree, Quercus variabilis, Haloxylon, tamarind, kapok (Panzhihua), Melia azedarach, cortex Sapindus, Gleditsia sinensis, Pistacia chinensis, etc., and medicinal plants such as Eucommia ulmoides, Coptis, Coptis chinensis, etc Dangshen, Huangbai, Huanglian, Heshouwu, Caowu, Dipsacus, Gentianaceae, honeysuckle, elderberry, shanmahuang, Huangqin, gardenia, as well as rare and precious tree species such as ginkgo, Cinnamomum camphora, Toona sinensis, birch, Taxus chinensis, tassel, Cycas; wild fruit resources are also rich, mainly including Tangli, junqianzi (persimmon, soft jujube), wild walnut, hawthorn, sizhao flower, guava (white seed), kiwifruit, red bayberry, Sichuan berry, wild litchi, Wild Begonia, Castanea henryi, mountain cherry, huashansong, Fengyang, Akebia trifoliata, etc. There are 134 species of fungi belonging to 56 genera and 21 families in the county.

Animal resources

Huidong County has many kinds of terrestrial wild animals, including lactation, bird, reptile, amphibious 4 classes, 64 families, 170 species. Among the wild animals in Huidong County, 6 species, such as pangolin, macaque and impala, are listed as national class II protected animals; 8 species, such as kestrel, kite, spotted head bunting and white bellied pheasant, are listed as national class II protected birds; Sichuan mountain partridge is listed as national class I key protected birds. The main wild mammals are: Swertia, muntjac, rock sheep, monkey, fox, otter, weasel, hedgehog, beaver, mouse, wild cat, hare, weasel, wild boar, pangolin, bat, etc. Birds are: crane, duck, warbler, rock eagle, eagle, grass heron, bamboo chicken, myna, bailing, Pulsatilla, parrot, kingfisher, owl, goose, stork, pheasant, crow, gull, pheasant, pheasant, duck, Yangji, partridge, quail, flying eagle, thrush

Chinese PinYin : Si Chuan Sheng Liang Shan Yi Zu Zi Zhi Zhou Hui Dong Xian