[4] The Üüreg Lake depression is a desert, so there is a lot of evaporation from the water surface.

In addition to the inflow of rivers, this water loss is offset by rainfall and groundwater.

Khankhukhii Mountain, Tokhtoshin-Shil Mountains, Kharkhiraa Turgen mountains, Ulias glass forest [sic], high mountain, rock argali, ram, deer, antelope, leopard, lynx, ibex, marten, pig, wolf, roe deer, wolf, fox, squirrel, ptarmigan, rain, Siberian capercaillie, partridge, hazel grouse, mountain hare, Siberian chipmunk, corsac fox, manul, badger, stinking brown [sic], artichoke, rabbit, marmot, squirrel, rainbow partridge [sic], Mongolian five-toed jerboa, desman, Mongolian ground jay, bozlog and other animals and plants.

The lake is home to various birds such as waterfowl (swans, geese, ducks), Mongolian gull, pelicans, and others.

The lake has fish, including Mongolian grayling (Thymallus brevirostris) and Altai carp.