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. 1987 Feb;71(3):405-408.
doi: 10.1007/BF00378714.

Leaves as islands for microbes

L L Kinkel  1 , J H Andrews  1 , F M Berbee  1 , E V Nordheim  2
Affiliations

Leaves as islands for microbes

L L Kinkel et al. Oecologia. 1987 Feb.

Abstract

The equilibrium theory of island biogeography provided a framework for describing the colonization of apple leaf 'islands' by filamentous fungi. Surface sterilization of living leaves in situ by hydrogen peroxide allowed the colonization process to be followed from its inception. Numbers of species of filamentous fungi per leaf fluctuated from 6 to 21 during the first 2 weeks of colonization and equilibrated at about 12 by the third week. Turnover occurred in species composition at equilibrium. The equilibrium number of species was not related to leaf area.The presence of an equilibrium condition with turnover on the leaf surfaces is consistent with two key tenets of the theory of island biogeography. However, the apparent back of a species-area relationship is inconsistent with the island model.

Keywords: Fungi; Island biogeography; Leaf surface; Microbial ecology; Phylloplane.

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References

    1. Proc Natl Acad Sci U S A. 1969 Sep;64(1):57-63 - PubMed
    1. Proc Natl Acad Sci U S A. 1967 Oct;58(4):1335-42 - PubMed