Tree-ring measurements of Picea sitchensis (Sitka spruce) from sample NING-32
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Species PCSI; No of rings 176; Begin 1808; End 1983
物种PCSI;年轮数:176;起始年份:1808;终止年份:1983

Species PCSI; No of rings 176; Begin 1808; End 1983
物种PCSI;年轮数:176;起始年份:1808;终止年份:1983