%0 Journal Article %T Is long-lived foliage in Picea mariana an adaptation to nutrient-poor conditions? %A Greenway, Ken %A Macdonald, S. %A Lieffers, Victor %J Oecologia %V 91 %N 2 %P 184-191 %@ 0029-8549 %D 1992-08-01 %I Springer-Verlag %~ DeepDyve