Tree-ring measurements of Picea mariana (Black spruce) from sample LANAPMAF-42
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Species PCMA; No of rings 130; Begin 1848; End 1977
物种:PCMA;生长环总数:130;起始年份:1848;终止年份:1977

Species PCMA; No of rings 130; Begin 1848; End 1977
物种:PCMA;生长环总数:130;起始年份:1848;终止年份:1977