caa a22 4500 605528349 CHVBK 20210128100812.0 cr unu---uuuuu 210128e20151001xx s 000 0 eng 10.1007/s10531-015-0964-y doi (NATIONALLICENCE)springer-10.1007/s10531-015-0964-y Struggling to maintain native plant diversity in a peri-urban reserve surrounded by a highly anthropogenic matrix [Elektronische Daten] [Steffi Heinrichs, Aníbal Pauchard] High human density and land use intensity often coincide with biodiversity hotspots making peri-urban reserves a keystone for conserving natural remnants in a highly anthropogenic matrix. Particularly, intense propagule pressure by alien plant species can pose a threat to native biodiversity. However, little is known about the factors that determine invasibility and the role of roads and other human disturbances for such small protected areas. Within a peri-urban reserve close to the city of Concepción, south-central Chile, we investigated the influence of different site and landscape characteristics on the richness of native and alien plant species across different habitat (ruderal, road and forest sites) and forest types (native and alien dominated forests). Compared to other protected areas, alien species were frequently found in this reserve indicating the importance of urban areas as source for alien species. Aliens concentrate around disturbed ruderal and road sites, facilitating their spread into the reserve. Natural forest areas are less invaded until now. Within forests alien plant species richness was, however, positively associated to the proximity to disturbed landscapes. Forests dominated by alien tree species within the reserve are not the source for alien species within natural forests, but they negatively affect native species richness by replacing adequate seed sources. In order to prevent a further spread of alien species into peri-urban reserves, large scale anthropogenic disturbances should be minimized, already invaded sites must be monitored and buffer-zones protecting reserves from surrounding land use activities should be established. Springer Science+Business Media Dordrecht, 2015 Alien species nationallicence Road nationallicence Protected area nationallicence Landscape nationallicence Forest plantation nationallicence Recreational use nationallicence Chile nationallicence Heinrichs Steffi Department Silviculture and Forest Ecology of the Temperate Zone, Georg-August-University Göttingen, Büsgenweg 1, 37077, Göttingen, Germany aut Pauchard Aníbal Facultad de Ciencias Forestales, Universidad de Concepción, Casilla 160-C, Concepción, Chile aut Biodiversity and Conservation Springer Netherlands 24/11(2015-10-01), 2769-2788 0960-3115 24:11<2769 2015 24 10531 https://doi.org/10.1007/s10531-015-0964-y text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10531-015-0964-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Heinrichs Steffi Department Silviculture and Forest Ecology of the Temperate Zone, Georg-August-University Göttingen, Büsgenweg 1, 37077, Göttingen, Germany aut NATIONALLICENCE 700 1- Pauchard Aníbal Facultad de Ciencias Forestales, Universidad de Concepción, Casilla 160-C, Concepción, Chile aut NATIONALLICENCE 773 0- Biodiversity and Conservation Springer Netherlands 24/11(2015-10-01), 2769-2788 0960-3115 24:11<2769 2015 24 10531