Foliar 15N natural abundance indicates phosphorus limitation of bog species

  title={Foliar 15N natural abundance indicates phosphorus limitation of bog species},
  author={Beverley R. Clarkson and Louis A Schipper and Bernard Moyersoen and Warwick B. Silvester},
Foliar δ15N, %N and %P in the dominant woody and herbaceous species across nutrient gradients in New Zealand restiad (family Restionaceae) raised bogs revealed marked differences in plant δ15N correlations with P. The two heath shrubs, Leptospermum scoparium (Myrtaceae) and Dracophyllum scoparium (Epacridaceae), showed considerable isotopic variation (−2.03 to −15.55‰, and −0.39 to −12.06‰, respectively) across the bogs, with foliar δ15N strongly and positively correlated with P concentrations… CONTINUE READING
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