Tree species identity and diversity drive fungal richness and community composition along an elevational gradient in a Mediterranean ecosystem

被引：44

作者：

Saitta, Alessandro ^{[1
]}

Anslan, Sten ^{[2
]}

Bahram, Mohammad ^{[2
,3
]}

Brocca, Luca ^{[4
]}

Tedersoo, Leho ^{[5
]}

机构：

[1] Univ Palermo, Dept Agr Food & Forest Sci, Palermo, Italy

[2] Univ Tartu, Inst Ecol & Earth Sci, Dept Bot, Tartu, Estonia

[3] Uppsala Univ, Dept Organismal Biol, Evolutionary Biol Ctr, Uppsala, Sweden

[4] CNR, Res Inst Geohydrol Protect, Perugia, Italy

[5] Univ Tartu, Natl Hist Museum, Tartu, Estonia

来源：

MYCORRHIZA | 2018年 / 28卷 / 01期

关键词：

Biodiversity; Ectomycorrhizal fungi; Metabarcoding; Quercus ilex; Sicily; ARBUSCULAR MYCORRHIZAL FUNGI; ECTOMYCORRHIZAL FUNGI; PLANT RICHNESS; RANGE OVERLAP; FOREST; CLIMATE; PATTERNS; VEGETATION; SCALE; SPECIFICITY;

D O I：

10.1007/s00572-017-0806-8

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Ecological and taxonomic knowledge is important for conservation and utilization of biodiversity. Biodiversity and ecology of fungi in Mediterranean ecosystems is poorly understood. Here, we examined the diversity and spatial distribution of fungi along an elevational gradient in a Mediterranean ecosystem, using DNA metabarcoding. This study provides novel information about diversity of all ecological and taxonomic groups of fungi along an elevational gradient in a Mediterranean ecosystem. Our analyses revealed that among all biotic and abiotic variables tested, host species identity is the main driver of the fungal richness and fungal community composition. Fungal richness was strongly associated with tree richness and peaked in Quercus-dominated habitats and Cistus-dominated habitats. The highest taxonomic richness of ectomycorrhizal fungi was observed under Quercus ilex, whereas the highest taxonomic richness of saprotrophs was found under Pinus. Our results suggest that the effect of plant diversity on fungal richness and community composition may override that of abiotic variables across environmental gradients.

引用

页码：39 / 47

页数：9

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