期刊
ECOLOGY LETTERS
卷 21, 期 4, 页码 516-524出版社
WILEY
DOI: 10.1111/ele.12916
关键词
Bacteria; community assembly; community stability; Invasion; next generation sequencing; species sorting; timing
类别
资金
- ERC [311399]
- Royal Society University Research Fellowship
Successful microbial invasions are determined by a species' ability to occupy a niche in the new habitat whilst resisting competitive exclusion by the resident community. Despite the recognised importance of biotic factors in determining the invasiveness of microbial communities, the success and impact of multiple concurrent invaders on the resident community has not been examined. Simultaneous invasions might have synergistic effects, for example if resident species need to exhibit divergent phenotypes to compete with the invasive populations. We used three phylogenetically diverse bacterial species to invade two compositionally distinct communities in a controlled, naturalised invitro system. By initiating the invader introductions at different stages of succession, we could disentangle the relative importance of resident community structure, invader diversity and time pre-invasion. Our results indicate that multiple invaders increase overall invasion success, but do not alter the successional trajectory of the whole community.
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