Tree-ring width of Quercus species from historical object sample 5704B/01A, Netherlands, Scheemda

Species: Quercus species; No of rings: 65; first year: 1400; end year: 1465; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus）物种；年轮总数：65；起始年份：1400；结束年份：1465；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下末次年轮：缺失