Tree-ring width of Pinus sylvestris from historical object sample 6404B/05A, Netherlands, Midwolda@en

Species: Pinus sylvestris; No of rings: 178; first year: 1550; end year: 1728; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 60; Last ring under bark: absent物种：欧洲赤松（Pinus sylvestris）；年轮总数：178；起始年份：1550；结束年份：1728；髓心：不适用；心材：完整；边材：不完整；边材年轮数：60；树皮下的最后一圈年轮：缺失