Changes in vegetation types affect soil microbial communities in tropical islands of southern China
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Changes in vegetation types affect soil microbial communities in tropical islands of southern China. / Wang, Senhao; Mori, Taiki; Zou, Shun; Zheng, Haifeng; Heděnec, Petr; Zhu, Yijing; Wang, Weiren; Li, Andi; Liu, Nan; Jian, Shuguang; Liu, Zhanfeng; Tan, Xiangping; Mo, Jiangming; Zhang, Wei.
I: Global Ecology and Conservation, Bind 37, e02162, 2022.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Changes in vegetation types affect soil microbial communities in tropical islands of southern China
AU - Wang, Senhao
AU - Mori, Taiki
AU - Zou, Shun
AU - Zheng, Haifeng
AU - Heděnec, Petr
AU - Zhu, Yijing
AU - Wang, Weiren
AU - Li, Andi
AU - Liu, Nan
AU - Jian, Shuguang
AU - Liu, Zhanfeng
AU - Tan, Xiangping
AU - Mo, Jiangming
AU - Zhang, Wei
N1 - Publisher Copyright: © 2022 The Authors
PY - 2022
Y1 - 2022
N2 - Soil microbial communities are the key drivers of nutrient cycling in ecosystems. However, the functional response of soil microbial community composition to contrasting vegetation types in tropical coral islands is still unclear. Tropical coral islands provide a unique, extreme habitat characterized by higher soil pH and P, but lower N and soil water contents. To determine the responses of soil microbial communities to changes in vegetation types, soil microbial biomass and community composition were investigated by determination of phospholipid fatty acids (PLFAs) under three vegetation types (including tree, shrub, and herb-vine) on Dong Island and Yongxing Island of southern China. Redundancy analysis (RDA) has been used to determine the driving factors (soil properties) for shaping soil microbial community composition. The results showed that the total biomass of PLFAs, as well as the specific microbial taxa [such as bacteria, Gram-positive bacteria (G+), Gram-negative bacteria (G-), fungi, arbuscular mycorrhizal fungi (AMF), and actinomycetes] increased in the soils from herb-vine via shrub to tree. Furthermore, along the above vegetation types gradient, the ratios of Gram-positive to Gram-negative bacteria (G+:G-), total saturated to total monounsaturated fatty acids (sat:mono), and fungi to bacteria (F:B) ratio decreased, indicating a shift in soil microbial community towards lower stress and copiotrophic dominance. Our findings indicate that soil microbial groups have a sensitive response to shifting plant communities in tropical coral islands, and soil water content, the ratios of soil organic matter and N content to P content, and soil pH might be the critical drivers of microbial community composition and structure in the study region.
AB - Soil microbial communities are the key drivers of nutrient cycling in ecosystems. However, the functional response of soil microbial community composition to contrasting vegetation types in tropical coral islands is still unclear. Tropical coral islands provide a unique, extreme habitat characterized by higher soil pH and P, but lower N and soil water contents. To determine the responses of soil microbial communities to changes in vegetation types, soil microbial biomass and community composition were investigated by determination of phospholipid fatty acids (PLFAs) under three vegetation types (including tree, shrub, and herb-vine) on Dong Island and Yongxing Island of southern China. Redundancy analysis (RDA) has been used to determine the driving factors (soil properties) for shaping soil microbial community composition. The results showed that the total biomass of PLFAs, as well as the specific microbial taxa [such as bacteria, Gram-positive bacteria (G+), Gram-negative bacteria (G-), fungi, arbuscular mycorrhizal fungi (AMF), and actinomycetes] increased in the soils from herb-vine via shrub to tree. Furthermore, along the above vegetation types gradient, the ratios of Gram-positive to Gram-negative bacteria (G+:G-), total saturated to total monounsaturated fatty acids (sat:mono), and fungi to bacteria (F:B) ratio decreased, indicating a shift in soil microbial community towards lower stress and copiotrophic dominance. Our findings indicate that soil microbial groups have a sensitive response to shifting plant communities in tropical coral islands, and soil water content, the ratios of soil organic matter and N content to P content, and soil pH might be the critical drivers of microbial community composition and structure in the study region.
KW - Coral islands
KW - Plant communities
KW - PLFA
KW - Soil microbial groups
KW - Stress indicator
U2 - 10.1016/j.gecco.2022.e02162
DO - 10.1016/j.gecco.2022.e02162
M3 - Journal article
AN - SCOPUS:85130371391
VL - 37
JO - Global Ecology and Conservation
JF - Global Ecology and Conservation
SN - 2351-9894
M1 - e02162
ER -
ID: 326733583