Ключевые слова: abstract, background, bark, chopped, cutten, death, deforestation, ecology, environment, fire, firewood, fuel, heap, heater, industrial, industry, life, material, natural, nature, organic, patterns, pile, rings, source, stove, supplies, sustainability, sustainable, textured, timber, tree, treerings, trunks, wet, winter, wintry, wood, wooden,