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Abstract Detail


Bryological and Lichenological Section/ABLS

Benner, Jon W. [1], Vitousek, Peter M. [1].

Phosphorus control of epiphyte communities in Hawaiian montane forests.

WHILE many factors may control epiphyte community composition in forests, the link between soil nutrient availability and epiphyte communities remains unclear. In a long-term fertilization experiment in montane forest on the island of Kauai, phosphorus (P) fertilization of forest plots has yielded large increases in the diversity and abundance of canopy macrolichens and mosses; there was no response to fertilization with nitrogen (N) or other essential elements. Lichens with a cyanobacterial symbiont (cyanolichens) in particular increased dramatically in abundance and species richness a mean of 3.2% of the bark of the dominant host tree -- Metrosideros polymorpha -- is covered by cyanolichens in control and +N plots, compared to 62.7% in P-fertilized plots (P effect p


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1 - Stanford University, Biological Sciences, 371 Serra Mall, Stanford, California, 94305, USA

Keywords:
epiphytes
Hawaii
cyanolichens
macrolichens
fertilization.

Presentation Type: Oral Paper:Papers for Sections
Session: 21-4
Location: 304/Bell Memorial Union
Date: Monday, July 31st, 2006
Time: 2:15 PM
Abstract ID:885


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