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TZUNTIL:20190331T010000Z
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DTSTART:20161030T030000
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RDATE:20171029T030000
RDATE:20181028T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t141534id
DTSTAMP:20260805T085654Z
DESCRIPTION:Biogeographical patterns of archipelagic plant communities are 
 still poorly understood because of the uneven amount of information at dif
 ferent geographical scales (i.e. within islands vs. between islands) and a
 long time scale. However\, the recent availability of large floristic and 
 vegetation databases offers the opportunity for testing explicit hypothese
 s based on theoretical biogeographical and ecological assumptions. The Tus
 can Archipelago in Italy represents a very fortunate case\, with modern fl
 oristic exploration started in 1930 and continued virtually constantly and
  with collection of phytosociological data spanning more than 40 years. In
  the present research\, we use the floristic data relative to the occurren
 ce of 1831 species in 16 islands and islets in the period 1830-1950 and 19
 50-2015 as well as 1334 phytosociological relevès with 790 species on the 
 seven larger islands\, to investigate the long term changes of island flor
 as and archipelagic patterns of community composition. In particular we ai
 med to test if the long term floristic changes agreed to the prediction by
  the Equilibrium Theory of Island Biogeography (ETIB). Then\, we used the 
 phytosociological data base to test the role of the different habitat type
 s versus the island identity in shaping the species composition of plant c
 ommunities. Results showed major changes in floristic composition of islan
 ds and a clear scale dependence of such changes\, suggesting that the obse
 rved deviation from ETIB expectations is an effect of land use changes. Th
 e vegetation analysis supported the idea that habitat type exerts a major 
 role in shaping the local plant communities despite of the island identity
  and this is likely due to the limited isolation degree of most of the isl
 ands as well as the similarity of the habitat types.\n*** Invited by the D
 epartment of Biogeography as International Senior Research Fellow of the U
 niversity of Bayreuth
DTSTART;TZID=Europe/Berlin:20170727T120000
DTEND;TZID=Europe/Berlin:20170727T133000
LOCATION:H6\, GEO
SUMMARY:Prof. Alessandro Chiarucci\, Department of Biological\, Geological 
 and Environmental Sciences\, University of Bologna (Homepage): Long term a
 nd large scale studies on plant biotas of the Tuscan Archipelago
TRANSP:TRANSPARENT
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