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Published in

Taylor and Francis Group, Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, 1(150), p. 171-179, 2014

DOI: 10.1080/11263504.2014.986248

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Ecological features affect patterns of plant communities in Mediterranean temporary rock pools

Journal article published in 2014 by Pietro Minissale ORCID, Saverio Sciandrello ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

In this paper, the results of a study on the ecology, floristic composition and spatial assemblages of temporary limestone rock pool plant communities of a central Mediterranean area (S Sicily, the Maltese Islands and Lampedusa) are presented. A total of 76 temporary pools were studied, distributed between the infra-mediterranean and thermo-mediterranean bioclimatic belt. For each temporary rock pools, the floristic composition and cover of the species were determined using standard relevé methods. Moreover, for 50 of these pools, pH, conductivity, soil depth, water-level, altitude, and floristic richness and diversity index were assessed. The plant communities were analyzed using UPGMA and Euclidean distance classification and ordination methods such as Canonical Correspondence Analysis. A total of four plant communities with specific floristic composition were established, each one with a different dominant species: Callitriche truncata; Elatine gussonei; Tillaea vaillantii and Lythrum hyssopifolia. According to the CCA, the spatial patterns of plant communities follow an ecological gradient related to water-level and depth/size of the rock pools: these are the main ecological features affecting the distribution of the plant communities of rock pools. In addition, floristic richness and diversity index showed a slight increase in trend from temporary pools submerged for long periods towards pools submerged for short periods.