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Floristic analyses of the Corsican flora: distribution in ecological compartments (vegetation belts, habitats and substrates)

Schlüssel, André
Gamisans, Jacques
Published in Candollea. 2014, vol. 69, no. 1, p. 25-43
Abstract This article analyzes partial data published in the “Flora Corsica” in order to characterize the Corsican vascular flora. These analyses focus on different aspects of the flora such as species richness, taxonomic distribution, abundance and life-forms at different vegetation belts, habitats and substrates. The results are compared with other geographic regions, particularly from the European Mediterranean and adjacent areas. The decrease of species richness with an increase of altitude as well as the sharp decrease of Fabaceae has been confirmed. Regarding the biological spectrum, the decrease of the therophytes with an increase of altitude is obvious and compensated by the increase of the hemicryptophytes. On Corsica several peculiarities have been highlighted in the different ecological compartments: 1. the littoral and the cryo-oromediterranean belts appear to be very different from the others in many features; 2. the rocky habitats are shown to be especially important for the diversity of families such as Poaceae and Caryophyllaceae; 3. calcareous areas are shown to be extremely important for the alpha diversity as well as for the restricted range taxa. Finally, the specificity of the flora growing on the ultramafic outcrops is confirmed and emphazised.
Keywords CorsicaDiversityEcologyFloristicsLife-formsMediterraneanMountainsSerpentinitesVegetation belts
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Research group Groupe Jeanmonod
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SCHLÜSSEL, André, JEANMONOD, Daniel, GAMISANS, Jacques. Floristic analyses of the Corsican flora: distribution in ecological compartments (vegetation belts, habitats and substrates). In: Candollea, 2014, vol. 69, n° 1, p. 25-43. doi: 10.15553/c2014v691a4 https://archive-ouverte.unige.ch/unige:74840

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Deposited on : 2015-08-25

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