Ключевые слова: acer, acer saccharum, bark, biomass, conservation, cut, deciduous, deforestation, ecology, environment, fire wood, firewood, forest, forestry, fuel wood, fuelwood, habitat, hardwood, harvest, industry, letter, log, log landing, logging, management, maple, natural resource, nature, outdoor, paint, painted, pile, renewable, resource, rural, saccharum, sale, scale, scaled, selective, sugar, sugar maple, sustainable, thinning, timber, wood, woodland,