| Natural negative impact factors |
| drought | everywhere | fires | all species |
| extremely low winter temperatures | everywhere | kill of wintering birds, loss of feeds (murine rodents, frogs, etc.) | birds of prey, owls, storks |
| floods | floodplain meadows, swamplands | destruction of nests by floods | semi-aquatic birds, and birds nesting on lowland swamps – aquatic warbler, etc. |
| incessant rains | everywhere | death ofnestlings by exposure | grouses and other precocial birds |
| windbreaks | forests | | birds of prey, owls, storks |
| carnivores | everywhere | loss of nests and nestlings | all species |
| Anthropogenic negative impact factors |
| draining melioration | lowland and highland swamps, floodplain meadows, swampy forests | destruction of habitats, derogation of nutritive base | aquatic warbler, greater spotted eagle, eagle owl, sandpipers, ducks, grey goose, Eurasian bittern and little bittern, three-toed woodpecker and many others. |
| peat production | swamplands, mostly - highlands | destruction of habitats | wood grouse, blackcock, white grouse, snake eagle, golden eagle, curlew, golden plover and other sandpipers |
| overgrowing of open areas | lowland swamps and meadows | change of habitat | aquatic warbler, all sandpipers |
| ploughing up | meadows, including islands in swamplands | destruction of habitats | Eurasian curlew, greenshank, other birds nesting on meadows |
| full deforestation | forests | destruction of habitats | all forest species, birds of prey |
| cutting of old and hollow trees | forests | destruction of nesting sites | birds of prey, owls, black storks, all woodpeckers, flycatchers and other cavity nesters |
| instability of water level (abrupt fluctuations) due to the man-made regulation | floodplain swamps and meadows | inundation of nests, derogation of nutritive base on drying swamps and shallow waters | all species of floodplain meadows and swamps, including the aquatic warbler, Eurasian bittern, etc. |
| urbanization (buildings), creation of transport and engineering communications | everywhere | destruction of habitats | all species |
| burning out of grassy verdures | meadows, swamps, waters (reedbeds) | temporary significant degradation of habitat, loss of nests | all species of open areas, Eurasian bittern, grey goose, etc. |
| excessive grazing (overgrazing) | meadows | loss of nests, degradation of habitat | landrail, sandpipers, terns, passerines and other meadow nesters |
| grazing or haymowing decrease | meadows | degradation of habitat | sandpipers |
| inopportune haymowing (in nesting period) | meadows, lowland swamps | loss of nests, degradation of habitat | landrail, sandpipers, Montagu`s harrier and hen harrier and other meadow nesters |
| excessive recreation loading (including amateur fishing) | banks, shores, meadows, forests | disturbance, trampling down, deterioration of verdure, etc. | kingfisher, oyster catcher, other birds nesting of banks and shores and others. |
| unreasonable hunting | all types of biotopes | kill of birds | wood grouse, blackcock, grey grouse, ducks, grey goose, etc. |
| poaching | all types of biotopes | kill of birds | birds of prey, owls, wood grouse and all others |
| unreasonable fishing | waters | kill of birds in fishing nets, disturbance | black-throated loon, grebe and other swimming birds |
| recreation, tourism | all types of biotopes | disturbance | white-tailed eagle, spotted eagles, owls and all species |
| poluttion with toxic wastes, pesticides, oil products, etc. | all biotopes | death by contamination or dirtying of plumage, degradation of reproduction functions, derogation of nutritive base, etc. | all species |
| occasional losses because of human activity | all biotopes | death on roads, high-voltage lines and other man-made constructions | all species |