Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau
Both habitats and seasons can determine the dynamics of microbial communities, but the relative importance of different habitats and seasonal changes in shaping the soil bacterial community structures on a small spatial scale in permafrost areas remains controversial. In this study, we explored the...
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ftmdpi:oai:mdpi.com:/2076-2607/9/8/1595/ 2023-08-20T04:09:12+02:00 Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau Rui Wang Miao Wang Jing Wang Yinghua Lin agris 2021-07-27 application/pdf https://doi.org/10.3390/microorganisms9081595 EN eng Multidisciplinary Digital Publishing Institute Environmental Microbiology https://dx.doi.org/10.3390/microorganisms9081595 https://creativecommons.org/licenses/by/4.0/ Microorganisms; Volume 9; Issue 8; Pages: 1595 Qinghai-Tibetan Plateau permafrost habitats bacterial communities seasonal changes Text 2021 ftmdpi https://doi.org/10.3390/microorganisms9081595 2023-08-01T02:17:01Z Both habitats and seasons can determine the dynamics of microbial communities, but the relative importance of different habitats and seasonal changes in shaping the soil bacterial community structures on a small spatial scale in permafrost areas remains controversial. In this study, we explored the relative effect of four typical alpine meadow habitats (swamp wetland, swamp meadow, meadow and mature meadow) versus seasons on soil bacterial communities based on samples from the Qinghai-Tibetan Plateau in four months (March, May, July and September). The results showed that habitats, rather than seasons explained more variation of soil bacterial composition and structure. Environmental cofactors explained the greatest proportion of bacterial variation observed and can help elucidate the driving force of seasonal changes and habitats on bacterial communities. Soil temperature played the most important role in shaping bacterial beta diversities, followed by soil total nitrogen and pH. A group of microbial biomarkers, used as indicators of different months, were identified using random forest modeling, and for which relative abundance was shaped by different environmental factors. Furthermore, seasonality in bacterial co-occurrence patterns was observed. The data showed that co-occurrence relationships changed over months. The inter-taxa connections in May and July were more pronounced than that in March and September. Bryobacter, a genus of subgroup_22 affiliated to Acidobacteria, and Pseudonocardia belonging to Actinobacteria were observed as the keystone taxa in different months in the network. These results demonstrate that the bacterial community was clustered according to the seasonal mechanism, whereas the co-occurrence relationships changed over months, which indicated complex bacterial dynamics in a permafrost grassland on the eastern edge of Qinghai-Tibetan. Text permafrost MDPI Open Access Publishing Microorganisms 9 8 1595 |
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MDPI Open Access Publishing |
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language |
English |
topic |
Qinghai-Tibetan Plateau permafrost habitats bacterial communities seasonal changes |
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Qinghai-Tibetan Plateau permafrost habitats bacterial communities seasonal changes Rui Wang Miao Wang Jing Wang Yinghua Lin Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
topic_facet |
Qinghai-Tibetan Plateau permafrost habitats bacterial communities seasonal changes |
description |
Both habitats and seasons can determine the dynamics of microbial communities, but the relative importance of different habitats and seasonal changes in shaping the soil bacterial community structures on a small spatial scale in permafrost areas remains controversial. In this study, we explored the relative effect of four typical alpine meadow habitats (swamp wetland, swamp meadow, meadow and mature meadow) versus seasons on soil bacterial communities based on samples from the Qinghai-Tibetan Plateau in four months (March, May, July and September). The results showed that habitats, rather than seasons explained more variation of soil bacterial composition and structure. Environmental cofactors explained the greatest proportion of bacterial variation observed and can help elucidate the driving force of seasonal changes and habitats on bacterial communities. Soil temperature played the most important role in shaping bacterial beta diversities, followed by soil total nitrogen and pH. A group of microbial biomarkers, used as indicators of different months, were identified using random forest modeling, and for which relative abundance was shaped by different environmental factors. Furthermore, seasonality in bacterial co-occurrence patterns was observed. The data showed that co-occurrence relationships changed over months. The inter-taxa connections in May and July were more pronounced than that in March and September. Bryobacter, a genus of subgroup_22 affiliated to Acidobacteria, and Pseudonocardia belonging to Actinobacteria were observed as the keystone taxa in different months in the network. These results demonstrate that the bacterial community was clustered according to the seasonal mechanism, whereas the co-occurrence relationships changed over months, which indicated complex bacterial dynamics in a permafrost grassland on the eastern edge of Qinghai-Tibetan. |
format |
Text |
author |
Rui Wang Miao Wang Jing Wang Yinghua Lin |
author_facet |
Rui Wang Miao Wang Jing Wang Yinghua Lin |
author_sort |
Rui Wang |
title |
Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
title_short |
Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
title_full |
Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
title_fullStr |
Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
title_full_unstemmed |
Habitats Are More Important Than Seasons in Shaping Soil Bacterial Communities on the Qinghai-Tibetan Plateau |
title_sort |
habitats are more important than seasons in shaping soil bacterial communities on the qinghai-tibetan plateau |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2021 |
url |
https://doi.org/10.3390/microorganisms9081595 |
op_coverage |
agris |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Microorganisms; Volume 9; Issue 8; Pages: 1595 |
op_relation |
Environmental Microbiology https://dx.doi.org/10.3390/microorganisms9081595 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/microorganisms9081595 |
container_title |
Microorganisms |
container_volume |
9 |
container_issue |
8 |
container_start_page |
1595 |
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1774721996846792704 |