Dynamics of ecosystems of the north-east of the Volga river basin in Holocene

In this paper changes and transformations of ecosystems in boreal, Atlantic, subboreal and subarctic climatic periods of Holocene are studied. It was found out that in the preserves natural conditions and theriocomplexes are similar to the past 4-3.5-thousand-year zonal types of region ecosystems. Those data may be used for the reconstruction of Holocene ecosystems.