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The Response of Different Cladonia Species after Treatment with Fertilizer or Lime in Heathland

Published online by Cambridge University Press:  28 March 2007

Irene Vagts  and
Michael Kinder
Irene Vagts
Affiliation:
Institut für Ökologie und Evolutionsbiologie, FB2, Geobotanik & Naturschutz, Universität Bremen, Postfach 330440, D-28334 Bremen, Germany.
Michael Kinder
Affiliation:
Institut für Ökologie und Evolutionsbiologie, FB2, Geobotanik & Naturschutz, Universität Bremen, Postfach 330440, D-28334 Bremen, Germany.
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Abstract

The effect of deposition of different fertilizers and of lime on lichens was investigated under field conditions. Three terricolous lichens were tested: Cladonia floerkeana, C. furcata and C. portentosa. The lichens were exposed to three types of powdered fertilizer (NPK-, N-, P-fertilizer) and lime. The applied nutrients were recorded in lichen thalli and soil. The influence on lichen growth rate and vegetation cover was estimated over 2 years. The response was a clear change in vegetation cover with an exceptional stimulating effect of NPK on the moss Polytrichum formosum. A lethal effect was observed on Cladonia floerkeana following exposure to lime. NPK and P had the most significant stimulatory effect on C. furcata. Only NPK promoted the growth of C. portentosa and P, N or Ca had a negative effect.

Type
Research Article
Information
The Lichenologist , Volume 31 , Issue 1 , January 1999 , pp. 75 - 83
Copyright
Copyright © British Lichen Society 1999

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