Tree-ring measurements of Picea sitchensis (Sitka spruce) from sample NING-112
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Species PCSI; No of rings 162; Begin 1822; End 1983
物种PCSI;生长环数162;起始年份1822;终止年份1983

Species PCSI; No of rings 162; Begin 1822; End 1983
物种PCSI;生长环数162;起始年份1822;终止年份1983