Where does Gannan area refer to?

Gannan region generally refers to Gannan Tibetan Autonomous Prefecture.

Gannan belongs to Gansu Province, which generally refers to Gannan Tibetan Autonomous Prefecture. It is an autonomous prefecture under the jurisdiction of Gansu Province, a water conservation area and recharge area of the Yellow River and the Yangtze River, an ecological main function area determined by the state, and a pioneering demonstration area of ecological civilization. The total area is 45,000 square kilometers.

Gannan Tibetan Autonomous Prefecture is located in the west of China, southwest of Gansu Province, at the junction of Gansu, Qinghai and Sichuan provinces in the transitional zone between Qinghai-Tibet Plateau and Loess Plateau. It borders Aba Prefecture in Sichuan in the south, Huangnan Prefecture and Guoluo Prefecture in Qinghai in the southwest, Longnan City, Dingxi City and Linxia Prefecture in the east and north. Quanzhou is divided into three natural types, and the southern part is the mountainous area of Fujian, which has a mild climate and is one of the "six green treasure houses" in China.

Gannan is known as "China's Little Tibet and Gansu's Back Garden", with two national nature reserves, Gahai and Zecha, two national forest parks, and dozens of natural scenic spots, such as Sangke Grassland, the First Song of the Yellow River and Dayugou. There are 12 1 Tibetan Buddhist temples such as Xiahe Labuleng Temple, Zhuoni Temple and Luqu langmusi, which are national cultural relics protection units. There are more than ten revolutionary historical sites, such as the natural barrier Lazikou and the Russian conference site. There are Xianglang Festival, Sun Buddha Festival, Flower Festival, Flower Festival and other folk festivals.

Geographical environment in Gannan area

Gannan Tibetan Autonomous Prefecture is located on the northeast edge of the Qinghai-Tibet Plateau, in the transitional zone between the Qinghai-Tibet Plateau, the Loess Plateau and the Longnan Mountain Area. The terrain of the plate is high in the northwest and low in the southeast, and it inclines from northwest to southeast. The territory of overlapping mountains, canyons, complex terrain. The Jishi mountain system in the southwest, the oblique mountain system in the northwest and the Minshan-Dieshan mountain system in the south constitute the main framework of the whole state landscape.

These steep peaks winding from west to east and the vast plateau land they require constitute the main geomorphic areas with an average elevation of more than 3000 meters in the west, north and south of the state. Only Guazigoukou in Zhouqu County is the lowest point in China, with an altitude of1172m, which is located in Jikou in the east of the whole inclined terrain. Throughout the state's topography, there are three major landform areas, namely, mountainous plain area, canyon area and mountainous hilly area.

Gannan Tibetan Autonomous Prefecture belongs to the west Qinling fold belt, and its geological structure system mainly belongs to the east-west Qinling structure. The tectonic belt is located in the south-central part of the state boundary, which has an early formation period and a long duration, and is the main skeleton structure of the state boundary. After various tectonic movements, especially since Mesozoic, the east-west tectonic system of South Qinling has undergone drastic changes.

Reference to the above content: Baidu Encyclopedia-Gannan Tibetan Autonomous Prefecture