DOI: 10.1111/gcb.12178
论文题名: Regional scale gradients of climate and nitrogen deposition drive variation in ectomycorrhizal fungal communities associated with native Scots pine
作者: Jarvis S. ; Woodward S. ; Alexander I.J. ; Taylor A.F.S.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2013
卷: 19, 期: 6 起始页码: 1688
结束页码: 1696
语种: 英语
英文关键词: Climate change
; Forest
; Fungi
; Mycorrhizal
; Native pinewoods
; Pinus sylvestris
; Scotland
Scopus关键词: nitrogen
; climate change
; community composition
; coniferous tree
; DNA
; ectomycorrhiza
; environmental change
; fungus
; nitrogen
; rainfall
; regional climate
; seedling establishment
; soil moisture
; taxonomy
; temperature effect
; article
; climate
; growth, development and aging
; metabolism
; microbiology
; mycorrhiza
; pine
; Climate
; Mycorrhizae
; Nitrogen
; Pinus
; Scotland
; United Kingdom
; Fungi
; Pinus sylvestris
英文摘要: Ectomycorrhizal fungi commonly associate with the roots of forest trees where they enhance nutrient and water uptake, promote seedling establishment and have an important role in forest nutrient cycling. Predicting the response of ectomycorrhizal fungi to environmental change is an important step to maintaining forest productivity in the future. These predictions are currently limited by an incomplete understanding of the relative significance of environmental drivers in determining the community composition of ectomycorrhizal (ECM) fungi at large spatial scales. To identify patterns of community composition in ECM fungi along regional scale gradients of climate and nitrogen deposition in Scotland, fungal communities were analysed from 15 seminatural Scots pine (Pinus sylvestris L.) forests. Fungal taxa were identified by sequencing of the ITS rDNA region using fungal-specific primers. Nonmetric multidimensional scaling was used to assess the significance of 16 climatic, pollutant and edaphic variables on community composition. Vector fitting showed that there was a strong influence of rainfall and soil moisture on community composition at the species level, and a smaller impact of temperature on the abundance of ectomycorrhizal exploration types. Nitrogen deposition was also found to be important in determining community composition, but only when the forest experiencing the highest deposition (9.8 kg N ha-1 yr-1) was included in the analysis. This finding supports previously published critical load estimates for ectomycorrhizal fungi of 5-10 kg N ha-1 yr-1. © 2013 Blackwell Publishing Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62432
Appears in Collections: 影响、适应和脆弱性
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作者单位: Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, AB24 3UU, United Kingdom; The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, United Kingdom
Recommended Citation:
Jarvis S.,Woodward S.,Alexander I.J.,et al. Regional scale gradients of climate and nitrogen deposition drive variation in ectomycorrhizal fungal communities associated with native Scots pine[J]. Global Change Biology,2013-01-01,19(6)