Ecological Archives E089-091-A2

Rebecca E. Miller and Ian E. Woodrow. 2008. Resource availability and the abundance of an N-based defense in Australian tropical rain forests. Ecology 89:1503–1509.

Appendix B (Table B1). Foliar N concentrations (%) in fully expanded leaves from 13 species common to high-nutrient soil (basalt) at Lamins Hill and low-nutrient soil (granite) at Mt. Nomico, Australia.

Species Family

Percentage N - Basalt

Percentage N - Granite

Mean (± 1 SE) n Mean (± 1 SE) n
Antidesma erostre Euphorbiaceae 1.52 2 1.17 2
Apodytes brachystylis Icacinaceae 1.96 ± 0.21 3 1.71 2
Austromyrtus dallachiana Myrtaceae 1.41 2 1.37 2
Beilschmiedia bancroftii Lauraceae 3.02 2 2.43 2
Beilschmiedia tooram Lauraceae 1.75 ± 0.20 3 1.58 2
Cardwellia sublimis Proteaceae 1.45 ± 0.06 7 1.30 ± 0.02 5
Casearia costulata Salicaceae 2.06 ± 0.14 3 1.99 2
Delarbrea michieana Araliacae 2.10 2 1.84 2
Gillbeea adenopetala Cunoniaceae 1.21 2 1.11 2
Halfordia scleroxyla Rutaceae 1.75 2 1.67 2
Pitaviaster haplophyllus Rutaceae 3.01 2 2.52 ± 0.11 5
Polyscias australiana Araliaceae 2.61 ± 0.07 11 1.97 ± 0.06 16
Sarcotoechia protracta Sapindaceae 2.24 2 2.24 2
Overall site mean N%   2.06 ± 0.11 43 1.84 ± 0.07 46

   Notes: A two-way ANOVA indicated significant differences in foliar N percentage with species (F6,59 = 9.3, P < 0.001) and with soil type (F6,59 = 13.5, P = 0.026). There was no significant interaction between species and soil type (P = 0.86).


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