Tree-ring width of Quercus species from historical object sample 6022B/06A, N...

Species: Quercus species; No of rings: 90; first year: 1276; end year: 1366; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 18; Last...受试物种：栎属（Quercus）；总年轮数：90；起始年份：1276年；终止年份：1366年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：18；最后……