Monitoring of overgrowing of abandoned agricultural lands using high-resolution satellite images

The results of monitoring the overgrowth of abandoned agricultural lands (deposits) with trees and shrubs on the basis of multi-temporal ultra-high resolution satellite images taken in different phenophases are presented. The dynamics of overgrowing for more than 12 years is shown on the example of three different sites located in the subzone of the southern taiga. An analysis of the images made it possible to assess the structural parameters of the tree and shrub vegetation forming on the fallows. Spatio-temporal heterogeneity of post-agrogenic natural regeneration of woody vegetation at the local level was revealed. The overgrowing of small areas, mostly surrounded by a forest wall, occurs almost simultaneously over the entire area. On a fallow with a large area and an insignificant forest wall, overgrowing occurs from the forest wall, gradually moving away from it over time. At the same time, the predominance of deciduous trees near the forest wall is replaced by the predominance of conifers as they move away from it. The results obtained make it possible to trace the dynamics of the development of natural tree and shrub cover on abandoned agricultural lands, to assess the state and importance of forest plantations growing on the fallow.