Tree-ring width of Quercus species from historical object sample 6284B/12A, N...

Species: Quercus species; No of rings: 89; first year: 1381; end year: 1470; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 21; Last ring...物种：栎属（Quercus）物种；总年轮数：89；起始年份：1381；终止年份：1470；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：完整；边材年轮数：21；末次年轮……