Abstract:
:Although environmental selection and spatial separation have been shown to shape the distribution and abundance of marine microorganisms, the effects of advection (physical transport) have not been directly tested. Here we examine 25 samples covering all major water masses of the Southern Ocean to determine the effects of advection on microbial biogeography. Even when environmental factors and spatial separation are controlled for, there is a positive correlation between advection distance and taxonomic dissimilarity, indicating that an 'advection effect' has a role in shaping marine microbial community composition. This effect is likely due to the advection of cells increasing the probability that upstream microorganisms will colonize downstream sites. Our study shows that in addition to distance and environmental selection, advection shapes the composition of marine microbial communities.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Wilkins D,van Sebille E,Rintoul SR,Lauro FM,Cavicchioli Rdoi
10.1038/ncomms3457subject
Has Abstractpub_date
2013-01-01 00:00:00pages
2457issn
2041-1723pii
ncomms3457journal_volume
4pub_type
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