Please use this identifier to cite or link to this item: http://hdl.handle.net/10077/15125
Title: Some observations on the establishment of the lichen Caloplaca aurantia on concrete tiles in Israel
Authors: Garty, J.
Keywords: AlgaeAscosporesCaloplaca aurantiacolonizationSEMTilesTrebouxia
Issue Date: 26-Jul-2017
Publisher: EUT Edizioni Università di Trieste
Source: J. Garty, "Some observations on the establishment of the lichen Caloplaca aurantia on concrete tiles in Israel" in: "Studia Geobotanica. An international journal, Vol. 8 (1988)", EUT Edizioni Università di Trieste, Trieste, 1988, pp. 13-21
Series/Report no.: Studia Geobotanica. An international journal
08
Abstract: This paper investigates the colonization of concrete tiles by the lichen Caloplaca aurantia in a rural, non-polluted settlement in Israel. The percentage colonization by this crustose Iichen on roof tiles 30, 45, and 60 years old was found to be 2.464 ± 0.732%, 22.972 ± 7.311% and 48.515±6.781% respectively. Scanning Electron Microscopy (SEM) revealed that spherical cells of a unicellular green alga, probably Trebouxia colonize pits on the weathered surface of the very same concrete tiles, as do also the ascopores of C. aurantia. In many of the pits, the ascospores arrange in clusters of 8 units. Fungal hyphae were observed close to ascopores and to the free algal cells.
URI: http://hdl.handle.net/10077/15125
Appears in Collections:08 - Studia Geobotanica. An international journal - Vol. 8 (1988)

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