Distinctive soil archaeal communities in different variants of tropical equatorial forest

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dc.contributor.authorKerfahi, Dorsaf
dc.contributor.authorTripathi, Binu M.
dc.contributor.authorFerry Slik, J. W.
dc.contributor.authorSukri, Rahayu S.
dc.contributor.authorJaafar, Salwana
dc.contributor.authorAdams, Jonathan M.
dc.date.accessioned2017-12-20T19:04:37Z
dc.date.available2017-12-20T19:04:37Z
dc.date.issued2017-11-29
dc.description.abstractLittle is known of how soil archaeal community composition and diversity differ between local variants of tropical rainforests. We hypothesized that (1) as with plants, animals, fungi, and bacteria, the soil archaeal community would differ between different variants of tropical forest; (2) that spatially rarer forest variants would have a less diverse archaeal community than common ones; (3) that a history of forest disturbance would decrease archaeal alpha- and beta-diversity; and (4) that archaeal distributions within the forest would be governed more by deterministic than stochastic factors. We sampled soil across several different forest types within Brunei, Northwest Borneo. Soil DNA was extracted, and the 16S rRNA gene of archaea was sequenced using Illumina MiSeq. We found that (1) as hypothesized, there are distinct archaeal communities for each forest type, and community composition significantly correlates with soil parameters including pH, organic matter, and available phosphorous. (2) As hypothesized, the “rare” white sand forest variants kerangas and inland heath had lower archaeal diversity. A nestedness analysis showed that archaeal community in inland heath and kerangas was mainly a less diverse subset of that in dipterocarp forests. However, primary dipterocarp forest had the lowest beta-diversity among the other tropical forest types. (3) Also, as predicted, forest disturbance resulted in lower archaeal alpha-diversity—but increased beta-diversity in contrast with our predictions. (4) Contrary to our predictions, the BetaNTI of the various primary forest types indicated community assembly was mainly stochastic. The possible effects of these habitat and disturbance-related effects on N cycling should be investigated.en_UK
dc.identifier.citationDorsaf Kerfahi, Binu M. Tripathi, J. W. Ferry Slik, et al., Distinctive soil archaeal communities in different variants of tropical equatorial forest, Microbial Ecology, Volume 76, Issue 1, July 2018, pp. 215-225en_UK
dc.identifier.issn0095-3628
dc.identifier.urihttp://dx.doi.org/10.1007/s00248-017-1118-4
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/12815
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectArchaeal compositionen_UK
dc.subjectArchaeal diversityen_UK
dc.subjectKerangasen_UK
dc.subjectTropical forestsen_UK
dc.subjectInland heath foresten_UK
dc.subjectWhite sand foresten_UK
dc.titleDistinctive soil archaeal communities in different variants of tropical equatorial foresten_UK
dc.typeArticleen_UK

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