ValuesSaryarka - Steppe and Lakes of Northern Kazakhstan protects substantial, largely undisturbed areas of Central Asian steppe and lakes in the Korgalzhyn and Naurzum State Nature Reserves. The property’s steppe areas provide a valuable refuge for over half the species of the region’s steppe flora, a number of threatened bird species and the critically endangered Saiga antelope. Criterion (ix): Ongoing biological and ecological processes: The property contains substantial areas of steppe and lakes with largely undisturbed associated biological and ecological processes. They also support up to 350,000 nesting waterfowl, while the Naurzum lakes support up to 500,000 nesting waterfowl. Korgalzhyn and Naurzum State Nature Reserves have benefited from long-term legal protection as strict nature reserves.