Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin
The bacterial communities encoding alkaline phosphatase (phoD) gene (phoD-harboring communities hereafter), play essential roles in regulating organic phosphorus (P) mineralization in aquatic ecosystems. Like other microbial communities, the diversity and composition of these functional communities...
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Elsevier
2025-01-01
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| Series: | Ecological Indicators |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1470160X24014523 |
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| author | Lin Xu Qian Mao Chaonan Li Bo Tu Xiangzhen Li |
| author_facet | Lin Xu Qian Mao Chaonan Li Bo Tu Xiangzhen Li |
| author_sort | Lin Xu |
| collection | DOAJ |
| description | The bacterial communities encoding alkaline phosphatase (phoD) gene (phoD-harboring communities hereafter), play essential roles in regulating organic phosphorus (P) mineralization in aquatic ecosystems. Like other microbial communities, the diversity and composition of these functional communities are influenced by environmental gradients generated by both natural factors (e.g., climate) and anthropogenic impacts. However, the relative importance of these factors in shaping aquatic phoD-harboring communities remains largely unknown, particularly at large spatial scales, challenging the management of ecosystem functions in aquatic environments. This study aimed to address this knowledge gap by collecting phoD amplicon sequence data along the Yangtze River basin. Our results demonstrated that natural factors were more influential than anthropogenic impacts in shaping aquatic phoD-harboring communities. Richness of aquatic phoD-harboring communities was positively correlated with mean annual precipitation and temperature and exhibited a unimodal relationship with elevation. Precipitation was the most influential factor, shaping richness, community composition, and assembly processes of these functional communities. Although anthropogenic impacts did not significantly affect richness, they notably altered community structure. Moderate levels of anthropogenic impact were associated with more complex co-occurrence networks. The relative abundance of Firmicutes emerged as a key predictor of anthropogenic P input. Our results have implications that further efforts aimed to mitigate anthropogenic impacts on aquatic ecosystems should prioritize the preservation of functional microbial communities diversity and composition, with particular attention to increasing the abundances of stress-resistant (e.g., species belonging to Firmicutes) taxa. |
| format | Article |
| id | doaj-art-727503b759e04ff4b9e257c93d0fdfaf |
| institution | Kabale University |
| issn | 1470-160X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
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| series | Ecological Indicators |
| spelling | doaj-art-727503b759e04ff4b9e257c93d0fdfaf2025-01-31T05:10:24ZengElsevierEcological Indicators1470-160X2025-01-01170112995Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basinLin Xu0Qian Mao1Chaonan Li2Bo Tu3Xiangzhen Li4National Forestry and Grassland Administration Key Laboratory of Forest Resources Conservation and Ecological Safety on the Upper Reaches of the Yangtze River & Forestry Ecological Engineering in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Corresponding author at: Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China.National Forestry and Grassland Administration Key Laboratory of Forest Resources Conservation and Ecological Safety on the Upper Reaches of the Yangtze River & Forestry Ecological Engineering in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, ChinaEcological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang 621000, ChinaChengdu Rhonin Biosciences Company Limited, Chengdu 610095, ChinaEngineering Research Centre of Soil Remediation of Fujian Province University, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, ChinaThe bacterial communities encoding alkaline phosphatase (phoD) gene (phoD-harboring communities hereafter), play essential roles in regulating organic phosphorus (P) mineralization in aquatic ecosystems. Like other microbial communities, the diversity and composition of these functional communities are influenced by environmental gradients generated by both natural factors (e.g., climate) and anthropogenic impacts. However, the relative importance of these factors in shaping aquatic phoD-harboring communities remains largely unknown, particularly at large spatial scales, challenging the management of ecosystem functions in aquatic environments. This study aimed to address this knowledge gap by collecting phoD amplicon sequence data along the Yangtze River basin. Our results demonstrated that natural factors were more influential than anthropogenic impacts in shaping aquatic phoD-harboring communities. Richness of aquatic phoD-harboring communities was positively correlated with mean annual precipitation and temperature and exhibited a unimodal relationship with elevation. Precipitation was the most influential factor, shaping richness, community composition, and assembly processes of these functional communities. Although anthropogenic impacts did not significantly affect richness, they notably altered community structure. Moderate levels of anthropogenic impact were associated with more complex co-occurrence networks. The relative abundance of Firmicutes emerged as a key predictor of anthropogenic P input. Our results have implications that further efforts aimed to mitigate anthropogenic impacts on aquatic ecosystems should prioritize the preservation of functional microbial communities diversity and composition, with particular attention to increasing the abundances of stress-resistant (e.g., species belonging to Firmicutes) taxa.http://www.sciencedirect.com/science/article/pii/S1470160X24014523Aquatic ecosystemphoD geneAlkaline phosphataseAmplicon sequencingPrecipitation |
| spellingShingle | Lin Xu Qian Mao Chaonan Li Bo Tu Xiangzhen Li Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin Ecological Indicators Aquatic ecosystem phoD gene Alkaline phosphatase Amplicon sequencing Precipitation |
| title | Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin |
| title_full | Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin |
| title_fullStr | Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin |
| title_full_unstemmed | Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin |
| title_short | Natural factors outweigh anthropogenic impact on aquatic phoD-harboring communities along Yangtze River basin |
| title_sort | natural factors outweigh anthropogenic impact on aquatic phod harboring communities along yangtze river basin |
| topic | Aquatic ecosystem phoD gene Alkaline phosphatase Amplicon sequencing Precipitation |
| url | http://www.sciencedirect.com/science/article/pii/S1470160X24014523 |
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