Tree-ring width of Quercus species from historical object sample 6069B/03A, N...

Species: Quercus species; No of rings: 77; first year: 1441; end year: 1518; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 9; Last...物种：栎属（Quercus）物种；总年轮数：77；起始年份：1441；结束年份：1518；髓心（pith）：不适用；心材（heartwood）：完整；边材（sapwood）：不完整；边材年轮数：9；末次……