[1] LIU Xuejun, ZHANG Ying, HAN Wenxuan, et al. Enhanced nitrogen deposition over China [J]. Nature, 2013, 494(7438): 459 − 462.
[2] LIU Xuejun, DUAN Lei, MO Jiangming, et al. Nitrogen deposition and its ecological impact in China: an overview [J]. Environmental Pollution, 2011, 159(10): 2251 − 2264.
[3] BOBBINK R, HICKS K, GALLOWAY J, et al. Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis [J]. Ecological Applications, 2010, 20(1): 30 − 59.
[4] STEVENS C J, DISE N B, MOUNTFORD J O, et al. Impact of nitrogen deposition on the species richness of grasslands [J]. Science, 2004, 303(5665): 1876 − 1879.
[5] 李晓林, 冯固. 丛枝菌根生态生理[M]. 北京: 华文出版社, 2001: 1 − 358.

LI Xiaolin, FENG Gu. Arbuscular Mycorrhizal Ecology and Physiology[M]. Beijing: Huawen Press, 2001: 1 − 358.
[6]

SMITH S E, READ D J. Mycorrhizal Symbiosis [M]. 3rd ed. New York: Academic Press, 2008: 1 − 89.
[7]

COTTON T E A. Arbuscular mycorrhizal fungal communities and global change: an uncertain future[J/OL]. FEMS Microbiology Ecology, 2018, 94(11): fiy179[2022-08-20]. doi: 10.1093/femsec/fiy179.
[8]

EGERTON-WARBURTON L M, JOHNSON N C, ALLEN E B. Mycorrhizal community dynamics following nitrogen fertilization: a cross-site test in five grasslands [J]. Ecological Monographs, 2007, 77(4): 527 − 544.
[9]

van DIEPEN L T A, LILLESKOV E A, PREGITZER K S, et al. Simulated nitrogen deposition causes a decline of intra- and extraradical abundance of arbuscular mycorrhizal fungi and changes in microbial community structure in northern hardwood forests [J]. Ecosystems, 2010, 13(5): 683 − 695.
[10]

WILLIAMS A, MANOHARAN L, ROSENSTOCK N P, et al. Long-term agricultural fertilization alters arbuscular mycorrhizal fungal community composition and barley (Hordeum vulgare) mycorrhizal carbon and phosphorus exchange [J]. New Phytologist, 2017, 213(2): 874 − 885.
[11]

MUELLER R C, BOHANNAN B J. Shifts in the phylogenetic structure of arbuscular mycorrhizal fungi in response to experimental nitrogen and carbon dioxide additions [J]. Oecologia, 2015, 179(1): 175 − 185.
[12]

HAN Yunfeng, FENG Jiguang, HAN Mengguang, et al. Responses of arbuscular mycorrhizal fungi to nitrogen addition: a meta-analysis [J]. Global Change Biology, 2020, 26(12): 7229 − 7241.
[13]

DUMBRELL A J, ASHTON P D, AZIZ N, et al. Distinct seasonal assemblages of arbuscular mycorrhizal fungi revealed by massively parallel pyrosequencing [J]. New Phytologist, 2011, 190(3): 794 − 804.
[14]

NEVILLE J, TESSIER J L, MORRISON I, et al. Soil depth distribution of ecto- and arbuscular mycorrhizal fungi associated with Populus tremuloides within a 3-year-old boreal forest clear-cut [J]. Applied Soil Ecology, 2002, 19(3): 209 − 216.
[15] 方升佐. 中国杨树人工林培育技术研究进展[J]. 应用生态学报, 2008, 19(10): 2308 − 2316.

FANG Shengzuo. Silviculture of poplar plantation in China: a review [J]. Chinese Journal of Applied Ecology, 2008, 19(10): 2308 − 2316.
[16]

BIAN Haixue, GENG Qinghong, XIAO Hanran, et al. Fine root biomass mediates soil fauna community in response to nitrogen addition in poplar plantations (Populus deltoids) on the east coast of China[J/OL]. Forests, 2019, 10(2): 1 − 16[2022-08-20]. doi: 10.3390/f10020122.
[17]

YU Xingye, ZHU Yunjia, WANG Bo, et al. Effects of nitrogen addition on rhizospheric soil microbial communities of poplar plantations at different ages[J/OL]. Forest Ecology and Management, 2021, 494: 119328[2022-08-20]. doi: 10.1016/j.foreco.2021.119328.
[18] 葛之葳, 彭塞, 许凯, 等. 短期氮添加对杨树人工林表层土壤可溶性有机碳的影响[J]. 南京林业大学学报(自然科学版), 2014, 38(6): 23 − 27.

GE Zhiwei, PENG Sai, XU Kai, et al. Effects of short term nitrogen addition on dissolved organic carbon in topsoil of poplar plantation [J]. Journal of Nanjing Forestry University (Natural Sciences Edition), 2014, 38(6): 23 − 27.
[19] 郑丹楠, 王雪松, 谢绍东, 等. 2010年中国大气氮沉降特征分析[J]. 中国环境科学, 2014, 34(5): 1089 − 1097.

ZHENG Dannan, WANG Xuesong, XIE Shaodong, et al. Simulation of atmospheric nitrogen deposition in China in 2010 [J]. China Environmental Science, 2014, 34(5): 1089 − 1097.
[20] 鲁如坤. 土壤农业化学分析方法[M]. 北京: 中国农业科技出版社, 2000: 146 − 185.

LU Rukun. Chemical Analyzing Method on Soil Agriculture[M]. Beijing: China Agriculture Science and Technology Press, 2000: 146 − 185.
[21]

LEE J, LEE S, YOUNG J P W. Improved PCR primers for the detection and identification of arbuscular mycorrhizal fungi [J]. FEMS Microbiology Ecology, 2008, 65(2): 339 − 349.
[22]

van GEEL M, BUSSCHAERT P, HONNAY O, et al. Evaluation of six primer pairs targeting the nuclear rRNA operon for characterization of arbuscular mycorrhizal fungal (AMF) communities using 454 pyrosequencing [J]. Journal of Microbiological Methods, 2014, 106: 93 − 100.
[23]

SCHLOSS P D, WESTCOTT S L, RYABIN T, et al. Introducing mothur: open-source, platform-independent, community-supported software for describing and comparing microbial communities [J]. Applied and Environmental Microbiology, 2009, 75(23): 7537 − 7541.
[24] 王幼珊, 刘润进. 球囊菌门丛枝菌根真菌最新分类系统菌种名录[J]. 菌物学报, 2017, 36(7): 820 − 850.

WANG Youshan, LIU Runjin. A checklist of arbuscular mycorrhizal fungi in the recent taxonomic system of Glomeromycota [J]. Mycosystema, 2017, 36(7): 820 − 850.
[25]

MAITRA P, ZHENG Yong, WANG Yonglong, et al. Phosphorus fertilization rather than nitrogen fertilization, growing season and plant successional stage structures arbuscular mycorrhizal fungal community in a subtropical forest [J]. Biology and Fertility of Soils, 2021, 57(5): 685 − 697.
[26] 朱亮, 郭可馨, 蓝丽英, 等. 亚高山森林类型转换对土壤丛枝菌根真菌多样性的影响[J]. 生态学杂志, 2020, 39(12): 3943 − 3951.

ZHU Liang, GUO Kexin, LAN Liying, et al. Effects of the conversion of forest types on diversity of arbuscular mycorrhizal fungi in subalpine soil [J]. Chinese Journal of Ecology, 2020, 39(12): 3943 − 3951.
[27]

TRESEDER K K. A meta-analysis of mycorrhizal responses to nitrogen, phosphorus, and atmospheric CO2 in field studies [J]. New Phytologist, 2004, 164(2): 347 − 355.
[28] 蔺吉祥, 杨雨衡, 王英男, 等. 氮沉降对植物-丛枝菌根共生体影响的研究进展[J]. 草原与草坪, 2015, 35(3): 88 − 94.

LIN Jixiang, YANG Yuheng, WANG Yingnan, et al. Research progress on effects of nitrogen deposition on symbiont of plant-arbuscular mycorrhizal [J]. Grassland and Turf, 2015, 35(3): 88 − 94.
[29]

TRESEDER K K, ALLEN E B, EGERTON-WARBURTON L M, et al. Arbuscular mycorrhizal fungi as mediators of ecosystem responses to nitrogen deposition: a trait-based predictive framework [J]. Journal of Ecology, 2018, 106(2): 480 − 489.
[30]

CAMENZIND T, HEMPEL S, HOMEIER J, et al. Nitrogen and phosphorus additions impact arbuscular mycorrhizal abundance and molecular diversity in a tropical montane forest [J]. Global Change Biology, 2014, 20(12): 3646 − 3659.
[31]

van DIEPEN L T A, LILLESKOV E A, PREGITZER K S. Simulated nitrogen deposition affects community structure of arbuscular mycorrhizal fungi in northern hardwood forests [J]. Molecular Ecology, 2011, 20(4): 799 − 811.
[32]

WEBER S E, DIEZ J M, ANDREWS L V, et al. Responses of arbuscular mycorrhizal fungi to multiple coinciding global change drivers [J]. Fungal Ecology, 2019, 40: 62 − 71.
[33]

MANDYAM K, JUMPPONEN A. Seasonal and temporal dynamics of arbuscular mycorrhizal and dark septate endophytic fungi in a tallgrass prairie ecosystem are minimally affected by nitrogen enrichment [J]. Mycorrhiza, 2008, 18(3): 145 − 155.
[34]

XIAO Dan, HE Xunyang, ZHANG Wei, et al. Diazotroph and arbuscular mycorrhizal fungal diversity and community composition responses to karst and non-karst soils [J/OL]. Applied Soil Ecology, 2022, 170: 104227[2022-08-20]. doi: 10.1016/j.apsoil.2021.104227.