气候变化领域集成服务门户(CCPortal): Effects of stand density on soil microbial community composition and enzyme activities in subtropical Cunninghamia lanceolate (Lamb.) Hook plantations

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DOI	10.1016/j.foreco.2020.118559
	Effects of stand density on soil microbial community composition and enzyme activities in subtropical Cunninghamia lanceolate (Lamb.) Hook plantations
	Wang C.; Xue L.; Dong Y.; Jiao R.
发表日期	2021
ISSN	0378-1127
卷号	479
英文摘要	Despite recent improvements in understanding the composition of microbial communities in forest soils, fundamental questions regarding how their dynamics and function vary with forest management strategies, such as stand density, and the factors that affect them are still unclear. In this study, the spectrophotometry and high-throughput sequencing technology were used to determine enzyme activities and microbial community composition in the topsoil (0–20 cm) of 35-year-old Chinese fir plantations with five stand densities. The results showed that stand density had significant effects on soil fungal community composition and diversity and the activity of catalase and sucrase. However, stand density had no significant effects on the bacterial communities, although the diversity of the bacterial communities varied with stand density. Overall, the increase in stand density reduced the activities of catalase, urease and surase and the Chao1 and Shannon diversity of bacterial and fungal communities. We found that positive correlations between enzyme activities and microbial diversity indices were significant. We also found that bacterial community compositions were significantly influenced by pH, alkali available N, available P and available K, and that fungal community composition was significantly influenced by pH, soil moisture, total N, alkali available N, available P and available K. Our results provide important insights into the effect of stand density on soil enzyme activities and microbial community composition, which is certainly significant for developing stand density regulation strategies to mitigate the effects of degradation of soil biological activities. © 2020 Elsevier B.V.
英文关键词	Bacterial community; Enzyme activity; Fungal community; Planting density
语种	英语
scopus关键词	Bacteria; Enzymes; Fungi; Soil moisture; Tropics; Bacterial community composition; Fungal community compositions; High-throughput sequencing; Microbial communities; Microbial community composition; Soil biological activity; Soil fungal communities; Soil microbial community compositions; Forestry; coniferous tree; enzyme; enzyme activity; forest soil; fungus; microbial activity; microbial community; soil microorganism; species diversity; stand structure; subtropical region; topsoil; Alkalis; Bacteria; Enzymes; Forestry; Fungi; Soil; Stand Density; Tropics; Bacteria (microorganisms); Cunninghamia; Cunninghamia lanceolata
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/154914
作者单位	Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China; State Key Laboratory of Tree Genetics and Breeding, Beijing, 100091, China; Key Laboratory of Tree Breeding and Cultivation of State Forestry Administration, Beijing, 100091, China; Faculty of Geoscience and Geography, University of Göttingen, Göttingen, 37077, Germany
推荐引用方式 GB/T 7714	Wang C.,Xue L.,Dong Y.,et al. Effects of stand density on soil microbial community composition and enzyme activities in subtropical Cunninghamia lanceolate (Lamb.) Hook plantations[J],2021,479.
APA	Wang C.,Xue L.,Dong Y.,&Jiao R..(2021).Effects of stand density on soil microbial community composition and enzyme activities in subtropical Cunninghamia lanceolate (Lamb.) Hook plantations.Forest Ecology and Management,479.
MLA	Wang C.,et al."Effects of stand density on soil microbial community composition and enzyme activities in subtropical Cunninghamia lanceolate (Lamb.) Hook plantations".Forest Ecology and Management 479(2021).