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Floristic changes along the topographical gradient in montane grasslands in Monti Picentini (Campania, SW Italy)
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Evolution, Ecological Botany.
2010 (English)In: Annali di Botanica, ISSN 0365-0812, Vol. 9, 86-98 p.Article in journal (Refereed) Published
Abstract [en]

Populations of xerotolerant species (Achnatherum calamagrostis, Stipa crassiculmis subsp. picentina, are scattered along a wide altitudinal gradient on slopes at mid- and high elevation in Monti Picentini, a subcoastal mesozoic limestone ridge in Tyrrhenian Southern Italy. Their stands are widespread in grasslands of mostly secondary origin. At lower altitudes these grasslands replace former deciduous forest communities dominated by oaks or beech, while at higher altitudes they reach the summits, where they apparently merge into the remnants of the still partially grazed, zonal climatogenic, grasslands ranging above the local tree-line. Nevertheless primary stands of these grasslands are to be found around the many clusters of highly dynamic sites of the montane and sub-alpine levels, scattered around screes and rocky outcrops of the prevalently dolomitic morphology of the slopes. This virtual continuity of non arboreal communities across more than 1000 metres of the local topographical gradient, where azonal, relic stands of Pinus nigra s.l. are transitional between the grasslands and the surrounding zonal broadleaved forest vegetation, stresses patterns of the coenological changes between Festuco-Brometea and Elyno-Seslerietea along the catena, which suggest fragmentary persistence of a paleozonation.

Place, publisher, year, edition, pages
2010. Vol. 9, 86-98 p.
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-120499OAI: oai:DiVA.org:uu-120499DiVA: diva2:303435
Available from: 2010-03-12 Created: 2010-03-12 Last updated: 2011-08-25Bibliographically approved

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