Tree-ring width of Quercus species from historical object sample 6116B/02A, Netherlands, Groningen@en

Species: Quercus species; No of rings: 54; first year: 1494; end year: 1548; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus）物种；年轮数：54；起始年份：1494；终止年份：1548；髓（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下最后年轮：缺失