A comprehensive study has been conducted on archaeological monuments (
burial mounds) of the Middle Bronze Age and Late Sarmatian in the Ilov
lya River valley. The stratigraphic and morphological features of the
burial mound embankments (fills), those of the modern and buried soils
, and the magnetic susceptibility of the soils are studied. The biomas
s of physiologically active microorganisms and the rate of mineralizat
ion of the organic matter are determined for the first time.