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Patterns and drivers of fungal diversity along an altitudinal gradient on Mount Gongga, China
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Patterns and drivers of fungal diversity along an altitudinal gradient on Mount Gongga, China
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Journal Article
Patterns and drivers of fungal diversity along an altitudinal gradient on Mount Gongga, China
2017
Overview
Purpose
Fungi are essential components of soil microbial communities and have a crucial role in biogeochemical processes. Alpine regions are sensitive to climate change, and the importance of changes in fungal community composition along altitudinal gradients in alpine regions is hotly debated.
Materials and methods
We used 454 pyrosequencing approaches to investigate the fungal communities at 1600, 2300, 2800, 3000, and 3900 m above sea level along an altitudinal gradient on Mount Gongga.
Results and discussion
The results showed that Agaricomycetes, Sordariomycetes, and Tremellomycetes are the dominant classes at all sampling sites. Operational taxonomic unit richness decreased with increasing altitude, and the fungal communities were clustered into three groups that corresponded to altitudes of, i.e., 1600, 2300, and above 2800 m. The evenness of fungi was not significantly correlated with altitude, whereas beta diversities were significantly correlated with altitude. The distance-based redundancy analysis and Mantel test indicated that the composition of fungal assemblages was mostly driven by altitude and temperature.
Conclusions
Our results indicated that ecological processes possibly related to altitude and temperature play an important role in structuring fungal biodiversity along the elevational gradient. Our results highlight that different microbes may respond differently to environmental gradients.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
Subject
