Department of Soil Science and Plant Nutrition,Eskisehir Osmangazi University,Eskisehir 26160(Turkey);
Department of Soil Science,FD Hole Soils Lab,1525 Observatory Drive,University of Wisconsin-Madison,Madison 53706(USA);
Department of Soil Science and Plant Nutrition,Akdeniz University,Antalya 07059(Turkey);
biosequence soil profile; chronosequence soil profile; lacustrine material; lakebed; soil formation;