Tree-ring width of Quercus species from historical object sample 6461B/01A, N...

Species: Quercus species; No of rings: 40; first year: 1579; end year: 1619; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 20; Last ring...物种：栎属（Quercus）物种；总年轮数：40；起始年份：1579年；终止年份：1619年；髓心（pith）：不适用；心材（heartwood）：完整；边材（sapwood）：完整；边材年轮数：20；末次年轮……