Ключевые слова: aged, biodiversity, bioenergy, biomass, clearance, climate, climate change, countryside, cut, cutting down trees, death, decomposition, dry, earth, ecology, ecosystem, environment, falling, felling, forest, forestry, glade, green deal, landscape, life, life span, natural cycle, natural environment, nature, old, organic decay, organisms, outdoors, park, plants, poland, pruning, rotten, rotten trunk, rustic, shoulder, silviculture, structure, stumps, tree, tree decay, underwood, wildlife, wood, woodland,