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Alien flora across European coastal dunes

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GIULIO Silvia ACOSTA Alicia Teresa Rosario CARBONI Marta CAMPOS Juan Antonio CHYTRÝ Milan LOIDI Javier PERGL Jan PYŠEK Petr ISERMANN Maike JANSSEN John A. M. RODWELL John S. SCHAMINÉE Joop H. J MARCENO' Corrado

Rok publikování 2020
Druh Článek v odborném periodiku
Časopis / Zdroj Applied Vegetation Science
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.1111/avsc.12490
Doi http://dx.doi.org/10.1111/avsc.12490
Klíčová slova alien flora; Atlantic; Baltic; Black Sea; coastal dune habitats; Mediterranean; neophyte; non-native; plant invasion; vegetation-plot data
Popis Questions The spread of alien plant species is one of the main threats to the biodiversity of different natural habitats, and coastal dune habitats are among the most affected. There is a considerable local and regional variation in the level of alien plant invasion on coastal dunes. We asked what are the patterns of invasion across European coastal dunes and how they depend on habitat types and coastal regions. Location Atlantic, Baltic, Black Sea and Mediterranean coasts of Europe. Methods We used vegetation-plot records from shifting dunes and stable dune grasslands extracted from the European Vegetation Archive (EVA). We quantified richness, frequency and distribution of alien plant (neophyte) species across dune habitats and coastal regions. We also explored the donor habitats and invasion trajectories of these species. Results In the flora of European coastal dunes, 7% of species were neophytes, for two-thirds originating from outside of Europe and mostly naturalised and ruderal. Shifting and stable dunes were similar in neophyte species composition, but there were more individual occurrences of neophytes in shifting dunes. The neophyte flora composition differed considerably between the Atlantic, Baltic, Black Sea and Mediterranean regions. The highest number of neophyte species was observed on the Atlantic dunes, while the highest number of neophyte occurrences was on the Black Sea dunes. Most of the neophytes originated from North America and the Mediterranean-Turanian region. Erigeron canadensis, Xanthium orientale, Oenothera biennis and Oenothera oakesiana were the most common neophytes. Conclusions We provided a comprehensive assessment of alien plant invasions in the coastal dunes across Europe and highlighted that coastal dunes should be in the focus of European invasion management strategies.
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