High nutrient supply and interspecific belowground competition enhance the relative performance of Picea mariana (Mill). B.S.P seedlings over Picea glauca [Moench] Voss. under elevated CO2
Abstract:Key messageWe tested how nutrient supply and interspecific belowground competition affect ecophysiological and morphological responses to elevated CO 2 in black (Picea mariana (Mill). B.S.P) and white spruce (Picea glauca [Moench] Voss.). It is found that belowground competition and high nutrient greatly enhanced the relative performance of black spruce over white spruce at elevated CO 2 . Context We have previously found that interspecific belowground competition reduce growth, whole seedling photosynthesis, … Show more
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