Increasing the productivity of wetlands in the Federal State Budget Instituion «Bezborodovo state experimental hunting establishment» (example of mallard Anas platyrhychos L.)

Measures to incrase the productivity of wetlands in the area of Federal State Budget Institution «Bezborodovo State Experimental Hunting Establishment» (Tver Region, Russia) are discussed. Mallard is taken is a model object. The success of introduction of captive birds of different ages and origin in the natural areas with artificial nests is described.