Interchange of entire communities: microbial community coalescence

Matthias C. Rillig, Janis Antonovics, Tancredi Caruso, Anika Lehmann, Jeff R. Powell, Stavros D. Veresoglou, Erik Verbruggen

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)
612 Downloads (Pure)


Microbial communities are enigmatically diverse. We propose a novel view of processes likely affecting microbial assemblages, which could be viewed as the Great American Interchange en miniature: the wholesale exchange among microbial communities resulting from moving pieces of the environment containing entire assemblages. Incidental evidence for such ‘community coalescence’ is accumulating, but such processes are rarely studied, likely because of the absence of suitable terminology or a conceptual framework. We provide the nucleus for such a conceptual foundation for the study of community coalescence, examining factors shaping these events, links to bodies of ecological theory, and we suggest modeling approaches for understanding coalescent communities. We argue for the systematic study of community coalescence because of important functional and applied consequences.
Original languageEnglish
Pages (from-to)470-476
Number of pages7
JournalTrends in Ecology & Evolution
Issue number8
Early online date22 Jun 2015
Publication statusPublished - Aug 2015


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