4. Independent research of Mongolian scientists from 1960

5. Cooperative research of other countries from 1990

6. Research of center MOLARE from 2001 to 2006

8. 83.7% total amount of the lakes are small lakes which have less than 1.0 km 2 square and occupying 5.6% of total amount of lakes

9. Many small lakes dry out in drought year and rainy year become normal (specially in a Gobi desert area and their cycle is unstable).

11. Geochemical study (LOI)

12. Paleoecological study (pollen, diatom, ostracode, mollusc)

13. Dating C14 etc.

19. Altitude

33. Карбонат бус минералын агууламж 0-30%

34. Карбонатын агууламж 0-20%

35. Органик бодис 50-100%-ийг хуурай жингээс тус тус эзэлнэ.

36. Ихэвчлэн эвтрофи, гүехэн нууранд бүрэлддэг.