Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem

Global nitrogen cycling is mainly mediated by the activity of microorganisms. Nitrogen cycle processes are mediated by functional groups of microorganisms that are affected by constantly changing environmental conditions and substrate availability. In this study, we investigated the temporal and spa...

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Main Authors: Ziye eHu, Han eMeng, Jin-Huan eShi, Nai-Shun eBu, Chang-Ming eFang, Zhe-Xue eQuan
Format: Article
Language:English
Published: Frontiers Media S.A. 2014-07-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00371/full
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author Ziye eHu
Han eMeng
Jin-Huan eShi
Nai-Shun eBu
Chang-Ming eFang
Zhe-Xue eQuan
author_facet Ziye eHu
Han eMeng
Jin-Huan eShi
Nai-Shun eBu
Chang-Ming eFang
Zhe-Xue eQuan
author_sort Ziye eHu
collection DOAJ
description Global nitrogen cycling is mainly mediated by the activity of microorganisms. Nitrogen cycle processes are mediated by functional groups of microorganisms that are affected by constantly changing environmental conditions and substrate availability. In this study, we investigated the temporal and spatial patterns of nitrifier and denitrifier communities in an intertidal wetland. Soil samples were collected over four distinct seasons from three locations with different vegetative cover. Multiple environmental factors and process rates were measured and analyzed together with the community size and composition profiles. We observed that the community size and composition of the nitrifiers and denitrifiers are affected significantly by seasonal factors, while vegetative cover affected the community composition. The seasonal impacts on the community size of ammonia oxidizing archaea (AOA) are much higher than that of ammonia oxidizing bacteria (AOB). The seasonal change was a more important indicator for AOA community composition patterns, while vegetation was more important for the AOB community patterns. The microbial process rates were correlated with both the community size and composition.
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spelling doaj.art-8fa3f088e29147469fffa3ddf21f8d682022-12-21T18:18:16ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2014-07-01510.3389/fmicb.2014.0037178212Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystemZiye eHu0Han eMeng1Jin-Huan eShi2Nai-Shun eBu3Chang-Ming eFang4Zhe-Xue eQuan5Fudan UniversityFudan UniversityFudan UniversityFudan UniversityFudan UniversityFudan UniversityGlobal nitrogen cycling is mainly mediated by the activity of microorganisms. Nitrogen cycle processes are mediated by functional groups of microorganisms that are affected by constantly changing environmental conditions and substrate availability. In this study, we investigated the temporal and spatial patterns of nitrifier and denitrifier communities in an intertidal wetland. Soil samples were collected over four distinct seasons from three locations with different vegetative cover. Multiple environmental factors and process rates were measured and analyzed together with the community size and composition profiles. We observed that the community size and composition of the nitrifiers and denitrifiers are affected significantly by seasonal factors, while vegetative cover affected the community composition. The seasonal impacts on the community size of ammonia oxidizing archaea (AOA) are much higher than that of ammonia oxidizing bacteria (AOB). The seasonal change was a more important indicator for AOA community composition patterns, while vegetation was more important for the AOB community patterns. The microbial process rates were correlated with both the community size and composition.http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00371/fullDenitrificationNitrificationseasonal dynamicscommunity compositioncommunity sizeintertidal wetland
spellingShingle Ziye eHu
Han eMeng
Jin-Huan eShi
Nai-Shun eBu
Chang-Ming eFang
Zhe-Xue eQuan
Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
Frontiers in Microbiology
Denitrification
Nitrification
seasonal dynamics
community composition
community size
intertidal wetland
title Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
title_full Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
title_fullStr Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
title_full_unstemmed Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
title_short Community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
title_sort community size and composition of ammonia oxidizers and denitrifiers in an alluvial intertidal wetland ecosystem
topic Denitrification
Nitrification
seasonal dynamics
community composition
community size
intertidal wetland
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2014.00371/full
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