[1]蔡柳圆,李青杰,赵伟东,等.氮沉降对亚热带针叶林土壤性质和微生物群落的影响[J].江苏林业科技,2026,53(02):1-10.[doi:10.3969/j.issn.1001-7380.2026.02.001]
　Cai Liuyuan,Li Qingjie,Zhao Weidong,et al.Effects of nitrogen deposition on soil property and microbial community in subtropical coniferous forest[J].Journal of Jiangsu Forestry Science &Technology,2026,53(02):1-10.[doi:10.3969/j.issn.1001-7380.2026.02.001]
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氮沉降对亚热带针叶林土壤性质和微生物群落的影响

《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第53卷
期数:
2026年02期
页码:
1-10
栏目:
试验研究
出版日期:
2026-04-30

文章信息/Info

Title:
Effects of nitrogen deposition on soil property and microbial community in subtropical coniferous forest
文章编号:
1001-7380（2026）02-0001-10
作者:
蔡柳圆1; 2; 李青杰2; 赵伟东2; 吴一群2; 徐爱爱2; 郑祥洲2*; 张玉树3
1.福建农林大学资源与环境学院，福建 福州 350002；
2.福建省农业科学院资源环境与土壤肥料研究所/福建省植物营养与肥料重点实验室，福建 福州 350003；
3.福建省农业科学院植物保护研究所，福建 福州 350003
Author(s):
Cai Liuyuan1; 2; Li Qingjie2; Zhao Weidong2; Wu Yiqun2; Xu Ai’ai2; Zheng Xiangzhou2*; Zhang Yushu3
1.College of Resources and Environment，Fujian Agriculture and Forestry University，Fuzhou 350002，China；
2.Institute of Resources，Environment and Soil Fertilizer，Fujian Academy of AgriculturalSciences/Fujian Key Laboratory of Plant Nutrition and Fertilize，Fuzhou 350003，China；
3.Institute of Plant Protection，Fujian Academy of Agricultural Sciences，Fuzhou 350003，China
关键词:
氮沉降; 亚热带针叶林; 土壤; 理化性质; 微生物群落
Keywords:
Nitrogen deposition; Subtropical coniferous forest; Soil; Physicochemical property; Microbial community
分类号:
S154.3；S718.55；S791.259
DOI:
10.3969/j.issn.1001-7380.2026.02.001
文献标志码:
A
摘要:
大气氮沉降是全球气候变化的主要驱动因素，对森林生态系统的结构与功能具有重要影响。该研究设置对照（CK）、低氮[LNT,40 kg/(hm2·a）]和高氮[HNT,80 kg/(hm2·a）]3个处理，通过分析土壤理化性质、微生物生物量、细菌和真菌基因拷贝数以及微生物群落的变化，系统研究了亚热带针叶林土壤性质及微生物群落对氮沉降的响应。结果表明，氮沉降显著提高了土壤碱解氮、硝态氮和可溶性有机碳含量，土壤pH、有机碳和总氮含量未发生显著变化。与对照相比，高氮处理显著增加了土壤微生物生物量碳，但降低了细菌与真菌的基因拷贝数。此外，高氮沉降显著改变了土壤细菌群落，并增加了细菌群落的多样性和丰富度。土壤微生物组成分析表明，氮沉降显著增加了细菌酸杆菌门、疣微菌门以及真菌担子菌门、被孢霉门的相对丰度，降低了细菌放线菌门、浮霉菌门以及真菌罗兹菌门的相对丰度。土壤细菌群落主要受土壤碱解氮、硝态氮和微生物生物量碳的影响，土壤真菌群落则主要由可溶性有机碳调控。研究结果可为评估氮沉降对亚热带森林土壤微生物群落结构的影响提供理论依据。
Abstract:
Atmospheric nitrogen deposition is a major driver of global climate change and exerts significant impact on the structure and function of forest ecosystem. To investigate the effect of nitrogen deposition on soil property and microbial community in subtropical coniferous forest，two nitrogen addition treatments，low nitrogen [LNT，40 kg/(hm2·a)]，and high nitrogen [HNT, 80 kg/(hm2·a)] were established in this study. By analyzing soil physicochemical properties，microbial biomass，bacterial and fungal gene copy numbers，and microbial community composition，the responses of soil characteristics and microbial communities to nitrogen deposition got systematically examined. The results showed that nitrogen deposition significantly increased the contents of soil alkaline-hydrolyzable nitrogen，nitrate-nitrogen，and dissolved organic carbon，while no significant changes were observed in soil pH， organic carbon，or total nitrogen content. Compared with the control，HNT significantly increased soil microbial biomass carbon but reduced bacterial and fungal gene copy numbers. Furthermore，HNT markedly altered soil bacterial community structure and enhanced bacterial community diversity and richness. Analysis of soil microbial composition revealed that nitrogen deposition significantly increased the relative abundances of the bacterial phyla Acidobacteria and Verrucomicrobia，the fungal phyla Basidiomycota and Mortierellomycota，decreasing the relative abundances of the bacterial phyla Actinobacteria，Planctomycetes，and fungal phyla Rozellomycota. Soil bacterial community structure was primarily influenced by soil alkaline-hydrolyzable nitrogen， nitrate-nitrogen，and microbial biomass carbon，whereas soil fungal communities were mainly regulated by dissolved organic carbon. These findings could provide a theoretical basis for assessing the impacts of nitrogen deposition on soil microbial community structure in subtropical forests.

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备注/Memo

备注/Memo:
收稿日期：2025-10-09;修回日期：2025-11-29
基金项目：福建省自然科学基金项目“茶园土壤N2O排放溯源”（2023J01194），“稻田土壤N2O产生和吸收过程中关键基因和微生物影响因素研究”(2023J05063)，“氮沉降对亚热带森林土壤氮转化过程的影响机理”（2022J01464）；福建省农业科学院杰出青年基金项目“亚热带茶园土壤N2O排放途径及其微生物机制”（JCQN202403）
作者简介：蔡柳圆（2000- ），男，广西鹿寨人，硕士研究生。从事土壤碳氮循环研究工作。E-mail：243895650@qq.com
*通信作者：郑祥洲（1985- ），男，福建霞浦人，副研究员，硕士。从事土壤碳氮循环研究工作。E-mail：z85103@qq.com
更新日期/Last Update: 2026-08-12