期刊
BMC ECOLOGY
卷 17, 期 -, 页码 -出版社
BIOMED CENTRAL LTD
DOI: 10.1186/s12898-017-0126-z
关键词
Bacteria; Competition; Invasion; Phylogenetic distance; Phylogenetic similarity and propagule pressure
类别
资金
- Biological Interactions Doctoral Programme
- University of Jyvaskyla Doctoral Programme in Biological and Environmental Science
- Academy of Finland [278751, 250248]
- Centre of Excellence in Biological Interactions
- Academy of Finland (AKA) [278751, 250248, 250248] Funding Source: Academy of Finland (AKA)
Background: Invasions pose a large threat to native species, but the question of why some species are more invasive, and some communities more prone to invasions than others, is far from solved. Using 10 different three-species bacterial communities, we tested experimentally if the phylogenetic relationships between an invader and a resident community and the propagule pressure affect invasion probability. Results: We found that greater diversity in phylogenetic distances between the members of resident community and the invader lowered invasion success, and higher propagule pressure increased invasion success whereas phylogenetic distance had no clear effect. In the later stages of invasion, phylogenetic diversity had no effect on invasion success but community identity played a stronger role. Conclusions: Taken together, our results emphasize that invasion success does not depend only on propagule pressure, but also on the properties of the community members. Our results thus indicate that invasion is a process where both invader and residing community characters act in concert.
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