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Title Soil features influencing lichen diversity at the BIOTA observatories in Namibia

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Short title Lichen diversity and soil type relations

Author(s) Zedda, L.(1,2); Gröngröft, A.(3); Petersen, A.(3); Miehlich, G.(3); Kong, S.-M.(1); Rambold, G.(1)

Presenting author Zedda, L.

Institution(s) (1) Lehrstuhl für Pflanzensystematik, Universität Bayreuth; (2) INRES, Abt. Geobotanik und Naturschutz, Rheinische Friedrich-Wilhelms-Universität, Bonn; (3) Institute of Soil Science, University of Hamburg

Keywords Namibia; BIOTA observatories; soil, lichens

Abstract The distribution of lichen taxa forming biological soil crusts and of their morphological groups have been analysed at different BIOTA observatories located in Namibia, in relation to soil type. Different soil parameters have been considered for analysis: e.g., pH, EC, content of silt, clay and sand, total amount of Ca, Mg and P, as well as content of calcium carbonate. Results show that soil is one of the most important drivers of lichen diversity at the studied sites. Patterns can be recognized in the distribution of lichen species, communities and morphological groups on different soil types (e.g. calcisols, luvisols, arenosols), so that lichens can be regarded as suitable indicators of given soil conditions.

Congress Topic Process Analysis

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Ref. No. 535