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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2017-06-01
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doaj-716b95b5ffd945389a172624a94cfe152020-12-08T02:12:35ZengNature Publishing GroupScientific Reports2045-23222017-06-017111110.1038/s41598-017-03655-3Soil nematodes show a mid-elevation diversity maximum and elevational zonation on Mt. Norikura, JapanKe Dong0Itumeleng Moroenyane1Binu Tripathi2Dorsaf Kerfahi3Koichi Takahashi4Naomichi Yamamoto5Choa An6Hyunjun Cho7Jonathan Adams8Department of Biological Sciences, College of Natural Sciences, Seoul National UniversityDepartment of Biological Sciences, College of Natural Sciences, Seoul National UniversityDepartment of Biological Sciences, College of Natural Sciences, Seoul National UniversityDepartment of Biological Sciences, College of Natural Sciences, Seoul National UniversityDepartment of Biology, Faculty of Science, Shinshu UniversityDepartment of Environmental Health Sciences, Graduate School of Public Health, Seoul National UniversityDepartment of Environmental Health Sciences, Graduate School of Public Health, Seoul National UniversityDepartment of Biological Sciences, College of Natural Sciences, Seoul National UniversityDepartment of Biological Sciences, College of Natural Sciences, Seoul National UniversityAbstract 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.https://doi.org/10.1038/s41598-017-03655-3 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ke Dong Itumeleng Moroenyane Binu Tripathi Dorsaf Kerfahi Koichi Takahashi Naomichi Yamamoto Choa An Hyunjun Cho Jonathan Adams |
spellingShingle |
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 Scientific Reports |
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 Publishing Group |
series |
Scientific Reports |
issn |
2045-2322 |
publishDate |
2017-06-01 |
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. |
url |
https://doi.org/10.1038/s41598-017-03655-3 |
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