they are mainly small water bodies with an area of less than km only lakes have a surface exceeding km winter discharges of water from the toktogul reservoir resulted in increasing the area of the aydar arnasay lakes system which is now the largest in uzbekistan with its area of km and its storage capacity of km this lake exceeds the water reserves of all other reservoirs in it was added to the list of the ramsar convention on wetlands of international importance especially as waterfowl habitat