"Characteristics of the investigated kurgans";"Zones in which the kurgans were investigated" "desert steppe (D)";" grass steppe (P)";" herb-rich grass steppe (R)";" forest steppe (F)" "Number of kurgans in particular zones";26;26;29;25 "Mean height of the kurgans in particular zones (m)standard error";5.441.88;5.581.18;5.661.43;4.981.36 "Minimum and maximum height of kurgans (m)";3.0-10.0;3.5-7.5;3.0-8.0;3.0-7.5 " Mean diameter of kurgans in particular zones (m)standard error";56.4418.44;62.3114.16;67.0716.61;54.1211.26 "Minimum and maximum diameter of kurgans (m)";32.5-90;35-80;40-100;38-80