Geographical environment of Longde county

The climate of Longde County belongs to the transitional climate from semi-humid to semi-arid in the mid-temperate monsoon region, with low temperature in spring and little rain, short hail in summer, waterlogging in autumn and frosty drought, and long cold in winter, which is known as "windy in summer, and snow in spring does not bloom". The annual average temperature is 5.1 degrees, which is the lowest in the whole region, and the lowest in January, with an extreme value of-25.7 degrees; The highest in July, with an extreme value of 31.4 degrees. The average annual sunshine hours are 2228 hours, and the frost-free period is 124 days, with a minimum of 94 days. The average annual precipitation is 745.4 mm, mostly concentrated in summer and autumn, especially in July and August. Since 1995, due to the continuous drought year after year, the precipitation has dropped greatly. Disastrous weather mainly includes strong wind, drought, hail and frost.

The agricultural and pastoral areas in the valley and Sichuan belong to the humid and arid transition zone, with warm and dry climate and semi-dry and warm in the loess hilly agricultural and forestry areas. There are 34 species of animals and 81 species of birds. Terrestrial vertebrates are divided into forest fauna, shrub grassland fauna, valley fauna and field fauna, belonging to 24 orders and 6 families. There are 27 species and 2 subspecies in Lund County Records. Among them, the national protected animals are leopard, musk deer, golden pheasant, spoon chicken and golden eagle. There are wolf jackals, leopards and cats listed as protected by the Convention on International Trade in Endangered Wild Fauna and Flora. Birds listed as "China-Japan migratory bird protection agreement" include heron, magpie pigeon, swallow falcon, quail, shore snipe, mound snipe, cuckoo, nighthawk, white-waisted swift, lark, grey sand swallow, domestic swallow, hairy-footed swallow, white magpie tungsten, field snipe, water snipe and tree snipe. Xenopus laevis is a unique animal in Liupan Mountain, and it is one of the rare animals endemic to China.