Ключевые слова: agriculture, alternative, cut, cutting, deforestation, development, ecology, ecosystem, energy, environment, fall, fire wood, firewood, foliage, forest, forestry, fuel, harvester, industrial, industry, lumber, natural, nature, patagonia, pine, product, production, raw, removal, renewable, resources, root, section, service, slice, source, south america, splitting, stack, stem, sustainability, tool, tree, trunk, wood, woodland, work,