Tree-ring chronology of Picea obovata (Sibirean spruce) compiled from tree samples BARAYPCO
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Species PCOB; No of trees 15; No samples 30; No of years 278; Begin 1714; End 1991; Creation date 1997-02-01
创建时间：
2007-01-01
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Species PCOB; No of trees 15; No samples 30; No of years 278; Begin 1714; End 1991; Creation date 1997-02-01