The response of plant community diversity to alien invasion: evidence from a sand dune time series

Verfasser / Beitragende:
[Silvia Vecchio, Leonardo Pizzo, Gabriella Buffa]
Ort, Verlag, Jahr:
2015
Enthalten in:
Biodiversity and Conservation, 24/2(2015-02-01), 371-392
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10531-014-0814-3  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10531-014-0814-3 
245 0 4 |a The response of plant community diversity to alien invasion: evidence from a sand dune time series  |h [Elektronische Daten]  |c [Silvia Vecchio, Leonardo Pizzo, Gabriella Buffa] 
520 3 |a This study examines the process of invasion of coastal dunes in north-eastern Italy along a 60-year time series considering alien attributes (origin, residence time, invasive status, and growth form strategy) and habitat properties (species richness, diversity and evenness, proportion of aliens, and proportion of focal species). Vegetation changes through time were investigated in four sandy coastal habitats, using a fine-scale diachronic approach that compared vegetation data collected by use of the same procedure, in four time periods, from the 1950s to 2011. Our analysis revealed an overall significant decline of species richness over the last six decades. Further, both the average number of species per plot and the mean focal species proportion were proved to be negatively affected by the increasing proportion of alien species at plot level. The severity of the impact, however, was found to be determined by a combination of species attributes, habitat properties, and human disturbance suggesting that alien species should be referred to as "passengers” and not as "drivers” of ecosystem change. Passenger alien species are those which take advantage of disturbances or other changes to which they are adapted but that lead to a decline in native biodiversity. Their spread is facilitated by widespread anthropogenic environmental alterations, which create new, suitable habitats, and ensure human-assisted dispersal, reducing the distinctiveness of plant communities and inducing a process of biotic homogenization. 
540 |a Springer Science+Business Media Dordrecht, 2014 
690 7 |a Alien species  |2 nationallicence 
690 7 |a Anthropogenic pressure  |2 nationallicence 
690 7 |a Biotic homogenization  |2 nationallicence 
690 7 |a Coastal sand dune  |2 nationallicence 
690 7 |a Habitat properties  |2 nationallicence 
690 7 |a Time series  |2 nationallicence 
700 1 |a Vecchio  |D Silvia  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
700 1 |a Pizzo  |D Leonardo  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
700 1 |a Buffa  |D Gabriella  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
773 0 |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/2(2015-02-01), 371-392  |x 0960-3115  |q 24:2<371  |1 2015  |2 24  |o 10531 
856 4 0 |u https://doi.org/10.1007/s10531-014-0814-3  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10531-014-0814-3  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Vecchio  |D Silvia  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Pizzo  |D Leonardo  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Buffa  |D Gabriella  |u Centre for Estuarine and Marine Studies, DAIS, University Ca' Foscari of Venice, Castello 2737b, 30122, Venice, Italy  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/2(2015-02-01), 371-392  |x 0960-3115  |q 24:2<371  |1 2015  |2 24  |o 10531