Tree-ring measurements of Picea mariana (Black spruce) from sample QUEBEC-372
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Species PCMA; No of rings 73; Begin 1916; End 1988
物种PCMA;年轮数量73;起始年份1916;终止年份1988

Species PCMA; No of rings 73; Begin 1916; End 1988
物种PCMA;年轮数量73;起始年份1916;终止年份1988