Ключевые слова: abstract, agriculture, background, bark, brown, chainsaw, chopped, country, cross, dead, deforestation, destruction, detail, down, dry, ecology, energy, environment, fallen, felling, firewood, forest, forestry, green, heap, industrial, landscape, log, long, lumber, macro, material, nature, old, park, part, pine, plant, protection, ring, stem, stump, surface, texture, trees, trunk, unmanned, vegetation, wood, wood texture,