Nematodes in a polar desert reveal the relative role of biotic interactions in the coexistence of soil animals

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dc.contributor.authorCaruso, Tancredien
dc.contributor.authorHogg, Ian D.en
dc.contributor.authorNielsen, Uffe N.en
dc.contributor.authorBottos, Eric M.en
dc.contributor.authorLee, Charles K.en
dc.contributor.authorHopkins, David W.en
dc.contributor.authorCary, S. Craigen
dc.contributor.authorBarrett, John E.en
dc.contributor.authorGreen, T.G. Allanen
dc.contributor.authorStorey, Bryan C.en
dc.contributor.authorWall, Diana H.en
dc.contributor.authorAdams, Byron J.en
dc.contributor.departmentBiological Sciencesen
dc.date.accessioned2019-03-20T12:36:48Zen
dc.date.available2019-03-20T12:36:48Zen
dc.date.issued2019-02-15en
dc.description.abstractAbiotic factors are major determinants of soil animal distributions and their dominant role is pronounced in extreme ecosystems, with biotic interactions seemingly playing a minor role. We modelled co-occurrence and distribution of the three nematode species that dominate the soil food web of the McMurdo Dry Valleys (Antarctica). Abiotic factors, other biotic groups, and autocorrelation all contributed to structuring nematode species distributions. However, after removing their effects, we found that the presence of the most abundant nematode species greatly, and negatively, affected the probability of detecting one of the other two species. We observed similar patterns in relative abundances for two out of three pairs of species. Harsh abiotic conditions alone are insufficient to explain contemporary nematode distributions whereas the role of negative biotic interactions has been largely underestimated in soil. The future challenge is to understand how the effects of global change on biotic interactions will alter species coexistence.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s42003-018-0260-yen
dc.identifier.eissn2399-3642en
dc.identifier.other63en
dc.identifier.urihttp://hdl.handle.net/10919/88496en
dc.identifier.volume2en
dc.language.isoen_USen
dc.publisherSpringer Natureen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleNematodes in a polar desert reveal the relative role of biotic interactions in the coexistence of soil animalsen
dc.title.serialCommunications Biologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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