Tree-ring width of Quercus species from historical object sample 6742B/01A, Netherlands, Schoonebeek@en

Species: Quercus species; No of rings: 54; first year: 1674; tree-death year: 1728; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 5; Last ring under bark: absent物种：栎属（Quercus）物种；总年轮数：54；初始生长年份：1674年；树木死亡年份：1728年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：5；树皮下方的末次年轮：缺失