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  • The impact of forests on the overland and base flow is considered, and their role in preserving small rivers from pollution and from becoming shallow. It is shown that trees and shrubs prevent the banks from abrasion and erosion, and also exert
  • . The impact of different species on the volume of the flow and on other elements of the budjet of the basin is estimated. Possible ways of raising the role of forests in preserving rivers are considered in brief. (Ed.).