1. The recharge source of Qinghai Lake is river water, followed by spring water and precipitation at the bottom of the lake. There are more than 40 rivers in Qinghai Lake, mainly including Buha River, Liusha River, Uhalan River and Hargeer River. The annual runoff of these four rivers reaches1610.2 billion cubic meters, accounting for 86% of the runoff into the lake.
2. Qinghai Lake supplies 65.438+0.335 billion cubic meters of rivers, 65.438+0.557 billion cubic meters of precipitation and 40.65438+0 billion cubic meters of groundwater every year, with a total supply of 3.493 billion cubic meters. The wind in the lake area evaporates quickly, with an annual evaporation of 3.93 billion cubic meters and an average annual loss of 437 million cubic meters.
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Extended data
1, bird resources in Qinghai Lake
There are more than 210.3 million wild geese, 45,000 brown-headed gulls, 87,400 fish gulls and 0/.10.2 million cormorants. There are also guanqian duck, red-spotted duck, common merganser duck, magpie duck, white-eyed duck, spotted duck, needle-tailed duck, swan, demoiselle crane, black-necked crane and so on.
2. Islands in the lake
Haixinshan, Haixipi, Sand Island, Sankuai Stone and Bird Island.
3. Main plants
There are Schizonepeta tenuifolia, Chenopodium album, Agropyron cristatum, Oxytropis falcata, Polygonum sibiricum, Kobresia, Poa pratensis and so on.
4. Fish resources
There are mainly Qinghai naked carp (commonly known as Huangyu), hard-spined loach and long-headed loach.
Baidu Encyclopedia-Qinghai Lake (Qinghai Province)-Lake Water System