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Phytogeography of Quercus suber L. in Lazio (Central Italy): a causalistic approach
Dip. di Biologia Vegetale, Univ. di Roma.
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2008 (English)In: Annali di Botanica, ISSN 0365-0812, Vol. 8, 43-54 p.Article in journal (Refereed) Published
Abstract [en]

A descriptive statistical approach to the causalistic distribution of Quercus suber in Lazio (Central Italy), based on presence/absence data and mean values of an array of environmental variables standardized on a geographical 6,9 x 5,5 Km grid, shows that only temperature, precipitation, elevation and slope are significant. At this scale, soil conditions and aspect are apparently no limiting factors to the colonization ability of the species. A simulated potential range, based on this parameterization, identifies a larger area than the one occupied by the species today. It suggests that competition and human disturbance might account for the large gaps and discontinuities in the real range. Since inland disjunct outposts still lie either outside or at the boundary of this simulated range, their establishment is likely to have originated under macroclimatic conditions different from the present day ones.

Place, publisher, year, edition, pages
2008. Vol. 8, 43-54 p.
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-120498OAI: oai:DiVA.org:uu-120498DiVA: diva2:303434
Available from: 2010-03-12 Created: 2010-03-12 Last updated: 2011-09-09Bibliographically approved

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