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Seasonal variation in the response of arbuscular mycorrhizal fungi to grazing intensity
Faghihinia, Maede; Zou, Yi; Bai, Yongfei2; Marrs, Rob; Staddon, Philip L.
2020
发表期刊MYCORRHIZA
ISSN0940-6360
卷号30期号:5页码:635-646
摘要Despite existing evidence of pronounced seasonality in arbuscular mycorrhizal (AM) fungal communities, little is known about the ecology of AM fungi in response to grazing intensity in different seasons. Here, we assessed AM fungal abundance, represented by soil hyphal length density (HLD), mycorrhizal root colonization intensity (MI), and arbuscule intensity (AI) throughout three seasons (spring, summer, autumn) in a farm-scale field experiment in typical, grazed steppe vegetation in northern China. Seven levels of field-manipulated, grazing intensities had been maintained for over 13 years within two topographies, flat and slope. We also measured soil nutrients and carbon content throughout the growing season to investigate whether seasonal variation in AM fungal abundance was related to seasonal shifts in soil resource availability along the grazing gradient. We further examined the association between AM fungal metrics in the different grazing treatments through the growing season. Our results showed a pronounced seasonal shift in HLD but there was no clear seasonality in MI and AI. HLD was significantly negatively related to grazing intensity over the course of the growing season from spring to autumn. However, MI and AI were related negatively to grazing intensity only in spring. In addition, differential responses of AM fungal abundance to grazing intensity at the two topographical sites were detected. No strong evidence was found for associations between AM fungal abundance and soil resource availability. Moreover, AM fungal internal and external abundance were correlated positively under the different grazing intensities throughout the growing season. Overall, our study suggests that external AM fungal structures in soil were more responsive to seasonal variation and grazing than internal structures in roots. The findings also suggest that early grazing may be detrimental to AM fungal root colonization of newly emerged plants.
关键词Spring grazing Topography Soil resource availability Grazing management External hyphae Seasonal variation
学科领域Plant Sciences ; Mycology
DOI10.1007/s00572-020-00974-8
收录类别SCI
语种英语
WOS关键词COMMUNITY COMPOSITION ; GRASSLAND ; HYPHAE ; COLONIZATION ; MANAGEMENT ; DIVERSITY ; ABUNDANCE ; TURNOVER ; MYCELIUM ; CARBON
WOS研究方向Plant Sciences ; Mycology
WOS记录号WOS:000546821500001
出版者SPRINGER
文献子类Article
出版地NEW YORK
EISSN1432-1890
资助机构XJTLU Research Development Fund [RDF-15-02-13]
作者邮箱yi.zou@xjtlu.edu.cn
作品OA属性Green Accepted
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21686
专题植被与环境变化国家重点实验室
作者单位1.Univ Liverpool, Sch Environm Sci, Liverpool L69 3GP, Merseyside, England
2.Faghihinia, Maede; Zou, Yi; Staddon, Philip L.] Xian Jiaotong Liverpool Univ, Dept Hlth & Environm Sci, Suzhou 215123, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
4.Staddon, Philip L.] Univ Gloucestershire, Countryside & Community Res Inst, Cheltenham GL50 4AZ, Glos, England
5.Staddon, Philip L.] Royal Agr Univ, Sch Agr Food & Environm, Cheltenham GL7 6JS, Glos, England
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GB/T 7714
Faghihinia, Maede,Zou, Yi,Bai, Yongfei,et al. Seasonal variation in the response of arbuscular mycorrhizal fungi to grazing intensity[J]. MYCORRHIZA,2020,30(5):635-646.
APA Faghihinia, Maede,Zou, Yi,Bai, Yongfei,Marrs, Rob,&Staddon, Philip L..(2020).Seasonal variation in the response of arbuscular mycorrhizal fungi to grazing intensity.MYCORRHIZA,30(5),635-646.
MLA Faghihinia, Maede,et al."Seasonal variation in the response of arbuscular mycorrhizal fungi to grazing intensity".MYCORRHIZA 30.5(2020):635-646.
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