Tree-ring width of Quercus species from historical object sample 5540B/01A, N...

Species: Quercus species; No of rings: 65; first year: 1637; end year: 1702; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...物种：栎属（Quercus）物种；年轮总数：65；起始年份：1637；终止年份：1702；髓心（pith）：不适用；心材（heartwood）：缺失；边材（sapwood）：缺失；边材年轮数：0；最后一轮年轮……