Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan

Abstract Little is known about how nematode ecology differs across elevational gradients. We investigated the soil nematode community along a ~2,200 m elevational range on Mt. Norikura, Japan, by sequencing the 18S rRNA gene. As with many other groups of organisms, nematode diversity showed a high c...

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Autores principales:	Ke Dong, Itumeleng Moroenyane, Binu Tripathi, Dorsaf Kerfahi, Koichi Takahashi, Naomichi Yamamoto, Choa An, Hyunjun Cho, Jonathan Adams
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/716b95b5ffd945389a172624a94cfe15
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spelling	oai:doaj.org-article:716b95b5ffd945389a172624a94cfe152021-12-02T12:32:42ZSoil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan10.1038/s41598-017-03655-32045-2322https://doaj.org/article/716b95b5ffd945389a172624a94cfe152017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03655-3https://doaj.org/toc/2045-2322Abstract Little is known about how nematode ecology differs across elevational gradients. We investigated the soil nematode community along a ~2,200 m elevational range on Mt. Norikura, Japan, by sequencing the 18S rRNA gene. As with many other groups of organisms, nematode diversity showed a high correlation with elevation, and a maximum in mid-elevations. While elevation itself, in the context of the mid domain effect, could predict the observed unimodal pattern of soil nematode communities along the elevational gradient, mean annual temperature and soil total nitrogen concentration were the best predictors of diversity. We also found nematode community composition showed strong elevational zonation, indicating that a high degree of ecological specialization that may exist in nematodes in relation to elevation-related environmental gradients and certain nematode OTUs had ranges extending across all elevations, and these generalized OTUs made up a greater proportion of the community at high elevations – such that high elevation nematode OTUs had broader elevational ranges on average, providing an example consistent to Rapoport’s elevational hypothesis. This study reveals the potential for using sequencing methods to investigate elevational gradients of small soil organisms, providing a method for rapid investigation of patterns without specialized knowledge in taxonomic identification.Ke DongItumeleng MoroenyaneBinu TripathiDorsaf KerfahiKoichi TakahashiNaomichi YamamotoChoa AnHyunjun ChoJonathan AdamsNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ke Dong Itumeleng Moroenyane Binu Tripathi Dorsaf Kerfahi Koichi Takahashi Naomichi Yamamoto Choa An Hyunjun Cho Jonathan Adams Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
description	Abstract Little is known about how nematode ecology differs across elevational gradients. We investigated the soil nematode community along a ~2,200 m elevational range on Mt. Norikura, Japan, by sequencing the 18S rRNA gene. As with many other groups of organisms, nematode diversity showed a high correlation with elevation, and a maximum in mid-elevations. While elevation itself, in the context of the mid domain effect, could predict the observed unimodal pattern of soil nematode communities along the elevational gradient, mean annual temperature and soil total nitrogen concentration were the best predictors of diversity. We also found nematode community composition showed strong elevational zonation, indicating that a high degree of ecological specialization that may exist in nematodes in relation to elevation-related environmental gradients and certain nematode OTUs had ranges extending across all elevations, and these generalized OTUs made up a greater proportion of the community at high elevations – such that high elevation nematode OTUs had broader elevational ranges on average, providing an example consistent to Rapoport’s elevational hypothesis. This study reveals the potential for using sequencing methods to investigate elevational gradients of small soil organisms, providing a method for rapid investigation of patterns without specialized knowledge in taxonomic identification.
format	article
author	Ke Dong Itumeleng Moroenyane Binu Tripathi Dorsaf Kerfahi Koichi Takahashi Naomichi Yamamoto Choa An Hyunjun Cho Jonathan Adams
author_facet	Ke Dong Itumeleng Moroenyane Binu Tripathi Dorsaf Kerfahi Koichi Takahashi Naomichi Yamamoto Choa An Hyunjun Cho Jonathan Adams
author_sort	Ke Dong
title	Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
title_short	Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
title_full	Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
title_fullStr	Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
title_full_unstemmed	Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan
title_sort	soil nematodes show a mid-elevation diversity maximum and elevational zonation on mt. norikura, japan
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/716b95b5ffd945389a172624a94cfe15
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Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, Japan

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