Similar responses of native and alien floras in European cities to climate

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Publikace nespadá pod Pedagogickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KALUSOVÁ Veronika ČEPLOVÁ Natálie CHYTRÝ Milan DANIHELKA Jiří DŘEVOJAN Pavel FAJMON Karel HÁJEK Ondřej KALNÍKOVÁ Veronika NOVÁK Pavel ŘEHOŘEK Vladimír TĚŠITEL Jakub TICHÝ Lubomír WIRTH Tamás LOSOSOVÁ Zdeňka

Rok publikování 2019
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Biogeography
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://onlinelibrary.wiley.com/doi/abs/10.1111/jbi.13591
Doi http://dx.doi.org/10.1111/jbi.13591
Klíčová slova alien species; invasion; macroclimate; neophytes; plant species composition; species richness; urban habitats
Popis Aim: Climate is an important factor controlling plant distributions. However, it is not yet fully understood how climate interacts with human impacts or whether the effects of these factors differ between native and alien species. Facing ongoing climate change and urbanization, we explore the effects of climate on plant species richness and composition across European cities. - Location: Sixty cities in Western, Central and Southern Europe. - Taxon: Vascular plants. - Methods: Species presence was recorded in seven habitats in each city. Large scale climatic gradients were derived from 22 climatic variables using a partial principal component analysis that controlled for the effects of human population size and gross domestic product. The effects of climate and habitat type on the numbers of native and alien species were tested using linear mixed effect models. The native and alien compositional variation across cities and habitats was analysed using principal component analysis with variation partitioning. - Results: The Mediterranean to temperate climatic gradient had a significant effect on species numbers across all habitats. The numbers of both native and alien species increased from the Mediterranean to temperate Europe. Within each city, the proportion of alien species decreased from highly urbanized to less urbanized habitats. Climate had a stronger effect on the composition of alien plants than on the composition of native plants. The native species composition especially changed from the Mediterranean to temperate cities and alien species composition also from oceanic to continental cities. - Main conclusions: Urban native and alien species richness follow the pattern found for the whole European flora. Based on this observation, we suggest that the future shift of warm and dry conditions from the Mediterranean to the north that is expected under global change scenarios could affect richness and change the composition of European urban floras. However, this shift would not necessarily alter the proportions of aliens.
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