Tianzhu county is located at the eastern end of Hexi corridor and belongs to the northeast edge of Qinghai-Tibet Plateau. Known as the "gateway" of Hexi Corridor, it is connected to Lanzhou in the south, Jingtai in the east, Gulang in the north, Qinghai in the west, Sunan in the northwest, 0/40 km from Lanzhou 100 km from Zhongchuan Airport and 200 km from Caojiabao Airport.
By the end of 65438+ in February 2020, Tianzhu County had jurisdiction over 14 towns, 5 townships, 178 administrative villages and 20 neighborhood committees. There are 28 ethnic groups, including Tibetan, Han, Tu, Hui and Mongolia, with a total registered population of 230,000, of which ethnic minorities account for 37. 1% of the total population and Tibetans.
Tianzhu has a profound cultural background. From the summer solstice to the early Han Dynasty, there were nationalities such as Rong, Qiang, Yueshi and Xiongnu. Since the Emperor Wu of the Han Dynasty was incorporated into the territory of the Han Dynasty, a multi-ethnic settlement with Tubo (now Tibetan) as the main ethnic group gradually formed after the Tang Dynasty.
natural resource
There are 37 species of forest trees 15 families, 22 genera in Tianzhu county. Natural forest tree species mainly include Picea crassifolia, Populus davidiana, Betula platyphylla, Betula platyphylla, Sabina przewalskii, Pinus tabulaeformis, Platycladus orientalis, Betula platyphylla, Ulmus pumila and Prunus armeniaca. Shrub tree species include Rhododendron crassipes, Rhododendron fragrans, Rhododendron capitatum, Daphne odora, Caragana, Hippophae rhamnoides, Berberis kansuensis, Mume, Willow, Willow, Yanagi Takayama, Willow, Prunus humilis, Sabina vulgaris, Wild Cherry, Castanopsis fissa, Lilac, Buxus macrophylla, Sorbus sorbus and so on.
Natural arbor forests are mainly distributed in shady and semi-shady slopes of Ma Xia, Haxi and Qilian Mountains to the north of Wushaoling-Mao Mao Mountain, as well as Sailalong, Shi Si, Tanshanling, Paradise and Shimen in Lingnan. The north of Wushaoling is mostly pure coniferous forest composed of Picea crassifolia, and there are a few Sabina vulgaris, Populus davidiana and Betula platyphylla in some places. The forests south of Wushaoling are mostly mixed forests, with Picea crassifolia, Picea tenuifolia, Populus davidiana, Betula platyphylla and Betula platyphylla as the main forests, followed by Pinus tabulaeformis and Sabina vulgaris.
Natural shrubbery mostly grows on wet shady and semi-shady slopes of high mountains, Tuchenggou and Maya Snow Mountain in the south of Wushaoling, Mao Mao Mountain in the north, Wushaoling and Leigong Mountain in the east-west direction, with relatively concentrated distribution.
The above contents refer to Baidu Encyclopedia-Tianzhu Tibetan Autonomous County.