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Diversity and ecology of soil lichens in the Knersvlakte (South Africa)

Title data

Zedda, Luciana ; Rambold, Gerhard:
Diversity and ecology of soil lichens in the Knersvlakte (South Africa).
In: The Bryologist. Vol. 112 (2009) Issue 1 . - pp. 19-29.
ISSN 1938-4378
DOI: https://doi.org/10.1639/0007-2745-112.1.19

Abstract in another language

The lichen vegetation forming biological soil crusts is described for the first time. Thirty-five lichen taxa were recorded from the soil surface of a semi-desert area of the Republic of South Africa (Knersvlakte, Namaqualand). Fifty-two percent of lichens were endemic to Namaqualand according to current knowledge. Squamulose and crustose lichens were the most common (over 60% of taxa) and most contained green algal photobionts. Vegetation sampling was carried out using digital imagery of the soil surface. Three main communities were distinguished: 1) a widespread community composed by Collema coccophorum, Psora aff. crenata, Placidium tenellum and P. squamulosum; 2) a rare community characterized by foliose lichens belonging to Xanthoparmelia, Neofuscelia and Paraparmelia; 3) a rare, crustose community formed by Caloplaca sp. ("C. sp. 1"), Toninia sp. ("T. sp. 1"), T. ruginosa and Buellia sp. ("B. sp. 2"). The lichen taxa and vegetation of the study area are unique and are threatened by land management practices and changing climate.

Further data

Item Type: Article in a journal
Refereed: No
Additional notes: BAYCEER62970
BAYCEER62969
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology > Professorship Mycology - Univ.-Prof. Dr. Gerhard Rambold
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 05 May 2015 12:10
Last Modified: 31 Jul 2015 13:38
URI: https://eref.uni-bayreuth.de/id/eprint/12817