Tree-ring measurements of Picea mariana (Black spruce) from sample QUEBEC-461
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Species PCMA; No of rings 65; Begin 1924; End 1988
物种:PCMA;环数:65;起始年份:1924;终止年份:1988

Species PCMA; No of rings 65; Begin 1924; End 1988
物种:PCMA;环数:65;起始年份:1924;终止年份:1988