Tree-ring width of Quercus species from historical object sample 5610B/01A, Netherlands, Slochteren

Species: Quercus species; No of rings: 34; first year: 1457; end year: 1491; 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：34；初始年份：1457年；终止年份：1491年；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下最后一轮年轮：缺失