Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers
Forest fires are among the most influential drivers of changes in forest soil bacterial diversity. Nevertheless, little is known regarding the effects of forest fires on maintaining the complex interactions that preserve forest ecosystem stability. Therefore, this study characterized alterations in...
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MDPI AG
2024
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Online Access: | https://doi.org/10.3390/f15040606 https://doaj.org/article/e50bbe00d3a94984a7316177720fcf0c |
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ftdoajarticles:oai:doaj.org/article:e50bbe00d3a94984a7316177720fcf0c 2024-09-09T20:11:15+00:00 Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers Zhichao Cheng Song Wu Hong Pan Xinming Lu Yongzhi Liu Libin Yang 2024-03-01T00:00:00Z https://doi.org/10.3390/f15040606 https://doaj.org/article/e50bbe00d3a94984a7316177720fcf0c EN eng MDPI AG https://www.mdpi.com/1999-4907/15/4/606 https://doaj.org/toc/1999-4907 doi:10.3390/f15040606 1999-4907 https://doaj.org/article/e50bbe00d3a94984a7316177720fcf0c Forests, Vol 15, Iss 4, p 606 (2024) soil bacteria taiga forests fire-burnt site community structure rare species Plant ecology QK900-989 article 2024 ftdoajarticles https://doi.org/10.3390/f15040606 2024-08-05T17:49:32Z Forest fires are among the most influential drivers of changes in forest soil bacterial diversity. Nevertheless, little is known regarding the effects of forest fires on maintaining the complex interactions that preserve forest ecosystem stability. Therefore, this study characterized alterations in soil bacterial community composition and diversity within taiga forests subjected to varying disturbance intensities. Particularly, this study examined the bacterial community within a Larix gmelinii fire-burnt site in Daxinganling, analyzing the changes in bacterial community structure and function across light, moderate, and heavy fire-burnt sites, as well as a control sample site, utilizing Illumina MiSeq technology. Through an assessment of bacterial community diversity and soil physicochemical properties (moisture content (MC), pH, microbial biomass carbon (MBC), organic carbon (SOC), total nitrogen (TN), available nitrogen (AN), available phosphorus (AP), and available potassium (AP)), we explored the influence of the soil microenvironment on the soil bacterial community structure at the burnt site under different disturbance intensities. Our findings demonstrated that (1) there was no significant change in the Chao index of soil bacteria in the burnt site under different disturbance intensities, whereas the Shannon index decreased significantly ( p < 0.05) and the Simpson index increased significantly ( p < 0.05) in the burnt site under light and moderate disturbance. (2) The relative abundance of dominant phyla, such as Proteobacteria, Proteobacteria, and Actinobacteriota, did not change significantly in the fire-burnt site under different disturbance intensities, whereas rare species, such as Acidipila , Occallatibacter , and Acidibacter , experienced a significant increase in relative abundance at the genus level. (3) The results of principal coordinates analysis (PCoA) and canonical correlation analysis (CCA) revealed significant differences in the Beta diversity of soil bacteria in the fire-burnt ... Article in Journal/Newspaper taiga Directory of Open Access Journals: DOAJ Articles Forests 15 4 606 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
soil bacteria taiga forests fire-burnt site community structure rare species Plant ecology QK900-989 |
spellingShingle |
soil bacteria taiga forests fire-burnt site community structure rare species Plant ecology QK900-989 Zhichao Cheng Song Wu Hong Pan Xinming Lu Yongzhi Liu Libin Yang Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
topic_facet |
soil bacteria taiga forests fire-burnt site community structure rare species Plant ecology QK900-989 |
description |
Forest fires are among the most influential drivers of changes in forest soil bacterial diversity. Nevertheless, little is known regarding the effects of forest fires on maintaining the complex interactions that preserve forest ecosystem stability. Therefore, this study characterized alterations in soil bacterial community composition and diversity within taiga forests subjected to varying disturbance intensities. Particularly, this study examined the bacterial community within a Larix gmelinii fire-burnt site in Daxinganling, analyzing the changes in bacterial community structure and function across light, moderate, and heavy fire-burnt sites, as well as a control sample site, utilizing Illumina MiSeq technology. Through an assessment of bacterial community diversity and soil physicochemical properties (moisture content (MC), pH, microbial biomass carbon (MBC), organic carbon (SOC), total nitrogen (TN), available nitrogen (AN), available phosphorus (AP), and available potassium (AP)), we explored the influence of the soil microenvironment on the soil bacterial community structure at the burnt site under different disturbance intensities. Our findings demonstrated that (1) there was no significant change in the Chao index of soil bacteria in the burnt site under different disturbance intensities, whereas the Shannon index decreased significantly ( p < 0.05) and the Simpson index increased significantly ( p < 0.05) in the burnt site under light and moderate disturbance. (2) The relative abundance of dominant phyla, such as Proteobacteria, Proteobacteria, and Actinobacteriota, did not change significantly in the fire-burnt site under different disturbance intensities, whereas rare species, such as Acidipila , Occallatibacter , and Acidibacter , experienced a significant increase in relative abundance at the genus level. (3) The results of principal coordinates analysis (PCoA) and canonical correlation analysis (CCA) revealed significant differences in the Beta diversity of soil bacteria in the fire-burnt ... |
format |
Article in Journal/Newspaper |
author |
Zhichao Cheng Song Wu Hong Pan Xinming Lu Yongzhi Liu Libin Yang |
author_facet |
Zhichao Cheng Song Wu Hong Pan Xinming Lu Yongzhi Liu Libin Yang |
author_sort |
Zhichao Cheng |
title |
Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
title_short |
Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
title_full |
Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
title_fullStr |
Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
title_full_unstemmed |
Effect of Forest Fires on the Alpha and Beta Diversity of Soil Bacteria in Taiga Forests: Proliferation of Rare Species as Successional Pioneers |
title_sort |
effect of forest fires on the alpha and beta diversity of soil bacteria in taiga forests: proliferation of rare species as successional pioneers |
publisher |
MDPI AG |
publishDate |
2024 |
url |
https://doi.org/10.3390/f15040606 https://doaj.org/article/e50bbe00d3a94984a7316177720fcf0c |
genre |
taiga |
genre_facet |
taiga |
op_source |
Forests, Vol 15, Iss 4, p 606 (2024) |
op_relation |
https://www.mdpi.com/1999-4907/15/4/606 https://doaj.org/toc/1999-4907 doi:10.3390/f15040606 1999-4907 https://doaj.org/article/e50bbe00d3a94984a7316177720fcf0c |
op_doi |
https://doi.org/10.3390/f15040606 |
container_title |
Forests |
container_volume |
15 |
container_issue |
4 |
container_start_page |
606 |
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1809945775141027840 |