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Vegetations as biodeterioration agents on archaeological stones: Comparative study of plant species found on the walls of some Moroccan historical monuments

AuthorsDalimi, M.; Baghdad, B.; Zakarya, D.; Taleb, A.; Iñigo, Adolfo C.
Wall plants
Stone monuments
Issue Date2014
PublisherRedolence Academic Services
CitationJournal of Research in Agriculture 3(1): 193-204 (2014)
AbstractA large number of the world’s most important cultural heritage structures are built with carbonate stones, and are particularly sensitive to the deteriorative factors; as a consequence, the survival of many irreplaceable historical properties in jeopardy. The deterioration of the stone is not only determined by physical and chemical effects, but also by biological agents. Plants are one of the least studied organisms in relation to building stone biodegradation. It is important to know the different species actively contributing to the biodeterioration of building stone, because their presence often leads to physical and chemical actions that are causing deterioration of the structure of historical buildings. Moreover, these biodeteriorative factors can be used as bio-indicators of the state of abandonment of these monuments. The aim of this research was to identify flora, especially plant species growing on the walls of 4 Moroccan historical monuments. The results of the studies carried out revealed a total of 129 plant species, 33 families and 110 genera. The family with greatest richness was Asteraceae (22 species). The most specious genus is Chenopodium (13 species). Despite its relatively small area, the Kasbah of El Mehdiya hosts a considerable biodiversity, representing over 46% of the recorded flora in the entire area studied. The implications of these results for the conservation of this cultural heritage are briefly discussed.
Description12 p., 5 figuras y 2 tablas
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