secular tree

secular tree ancient agelong trees european spruce picea excelsa abies boreal forests europe fir norway white wood ageold virgin forest untrod primaeval untrodden woods old growth original undisturbed area indigenous pristine wilderness oldgrowth forestry wildwood overripe mature arboriculture silviculture management science sylvics sylviculture breeding crop system woodworking dendrology agroforestry untouched nature stand valuable timber growing stocking standing coniferous conifer