Tree-ring width of Quercus species from historical object sample 5402B/02A, Netherlands, Zutphen@en

Species: Quercus species; No of rings: 117; first year: 1435; end year: 1552; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 16; Last ring under bark: absent树种：栎属（Quercus）树种；年轮总数：117轮；生长起始年份：1435年；生长终止年份：1552年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：16轮；树皮下末次年轮：缺失