Tree-ring width of Quercus species from historical object sample 6736B/05A, Netherlands, Zutphen@en

Species: Quercus species; No of rings: 97; first year: 1559; tree-death year: 1656; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 16; Last ring under bark: present物种：栎属（Quercus）物种；年轮数：97轮；初始年份：1559年；树木死亡年份：1656年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：完整；边材年轮数：16轮；树皮下方的最后一轮年轮：存在