Tree-ring chronology of Pseudotsuga menziesii (Douglas-fir) compiled from tree samples BOUL
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资源简介：
Species PSME; No of trees 13; No samples 25; No of years 116; Begin 1867; End 1982; Creation date 1997-01-01
创建时间：
2007-01-01
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Species PSME; No of trees 13; No samples 25; No of years 116; Begin 1867; End 1982; Creation date 1997-01-01