Diversity of fungi and bacteria in species-rich grasslands increases with plant diversity in shoots but not in roots and soil

Navrátilová, Diana; Tláskalová, Petra; Kohout, Petr; Dřevojan, Pavel; Fajmon, Karel; Chytrý, Milan; Baldrián, Petr

doi:10.1093/femsec/fiy208

Cited by 37 publications

(43 citation statements)

References 67 publications

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“…Because litter decomposition is a highly dynamic process with constantly changing litter quality and strong successional changes in the community of microbial decomposers (Chomel et al 2014;Tlàskal et al 2016), it is not unexpected that diversity relationships may change as well. Other studies also did not find any correlation between plant diversity and soil microbial diversity (Chodak et al 2015;Navratilova et al 2019). Perhaps in our study, this could be related to the negative correlation between shrub diversity and global soil microbial activity ( Figure 2a).…”

Section: Shrub Community Diversity Effectscontrasting

confidence: 60%

Soil microbial activity in a Mediterranean garrigue responds more to changing shrub community than to reduced rainfall

et al. 2020

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The functioning of soil microbial communities is co-determined by plant community composition and environmental factors. Decreased precipitation predicted in the Mediterranean area will affect both determinants, yet their interplay on soil microbial functioning is poorly understood. Here we assessed the interaction of plant community diversity and reduced precipitation on microbial metabolic activity and diversity in the topsoil of a Mediterranean shrubland in Southern France. Methods With a large field experiment using 92 plots that differed in the diversity of the four dominant shrub species (Quercus coccifera, Cistus albidus, Ulex parviflorus, and Rosmarinus officinalis) we manipulated the average precipitation (a mean reduction of 12%) over three years and analyzed the community level physiological profile (MicroResp™) after 7 and 31 months of partial rain exclusion. Results Partial rain exclusion had only subtle effects on soil microbial parameters. Soil microbial global metabolic activity and diversity increased with total shrub cover but tended to decrease with shrub diversity under control conditions, relationships that were absent with partial rain exclusion. We showed strong shrub composition control over the soil microbial parameters, with a particularly strong effect of Q. coccifera. Conclusion Our results suggest that climate change may have greater impact on soil microbial functioning via shifts in plant community composition rather than through direct effects of reduced precipitation, yet this may depend on how precipitation will change.

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Section: Shrub Community Diversity Effectscontrasting

confidence: 60%

Soil microbial activity in a Mediterranean garrigue responds more to changing shrub community than to reduced rainfall

et al. 2020

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“…In the present study, there was a 3% contribution from soil properties in explaining fungal and bacterial diversity. Recent article reported 2-4% contribution of soil properties in explaining variations of fungal and bacterial diversity in a species-rich grassland [48]. Greater contributions of plant attributes than soil properties in explaining soil microbial diversity were also reported by several empirical studies [6,46,49].…”

Section: Discussionmentioning

confidence: 89%

Plant Taxonomic Diversity Better Explains Soil Fungal and Bacterial Diversity than Functional Diversity in Restored Forest Ecosystems

Moniruzzaman

Guo

et al. 2019

Plants

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Plant attributes have direct and indirect effects on soil microbes via plant inputs and plant-mediated soil changes. However, whether plant taxonomic and functional diversities can explain the soil microbial diversity of restored forest ecosystems remains elusive. Here, we tested the linkage between plant attributes and soil microbial communities in four restored forests (Acacia species, Eucalyptus species, mixed coniferous species, mixed native species). The trait-based approaches were applied for plant properties and high-throughput Illumina sequencing was applied for fungal and bacterial diversity. The total number of soil microbial operational taxonomic units (OTUs) varied among the four forests. The highest richness of fungal OTUs was found in the Acacia forest. However, bacterial OTUs were highest in the Eucalyptus forest. Species richness was positively and significantly related to fungal and bacterial richness. Plant taxonomic diversity (species richness and species diversity) explained more of the soil microbial diversity than the functional diversity and soil properties. Prediction of fungal richness was better than that of bacterial richness. In addition, root traits explained more variation than the leaf traits. Overall, plant taxonomic diversity played a more important role than plant functional diversity and soil properties in shaping the soil microbial diversity of the four forests.

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“…No reuse allowed without permission. (Caporaso et al, 2012) and nu-SSU-0817/nu-SSU-1196 (Borneman and Hartin, 2000) were used to amplify the bacterial 16S rRNA gene and the fungal 18S rRNA gene, respectively, as previously described (Zifcakova et al, 2016;Navrátilová et al, 2019). PCR products were purified and sequenced on an Illumina MiSeq platform in the Laboratory of Environmental Microbiology, Institute of Microbiology of the Czech Academy of Sciences.…”

Section: Data Collectionmentioning

confidence: 99%

Microbial phylogenetic relatedness links to distinct successional patterns of bacterial and fungal communities

Lin

Dini‐Andreote

Meador

et al. 2021

Preprint

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Development of soil microbial communities along ecological succession is crucial for ecosystem functioning and maintenance. However, ecological processes mediating microbial community assembly and microbial co-occurrence patterns along ecological succession remain unclear. Here, we explored community phylogenetic structures, ecological processes driving community phylogenetic turnover, and taxa co-occurrence patterns in bacterial and fungal communities across a well-established chronosequence of post-mining lands spanning 54 years of recovery. Meanwhile, by synthesizing prior studies of microbial phylogeny in community assembly, we proposed two conceptual models to better explain our results. At early successional stages, the significantly increasing phylogenetic clustering of bacterial communities with soil age was co-determined by the environmental selection from soil vegetation cover and by bacterial heterogeneous responses that less phylogenetically similar bacteria differently expanded their population in response to the increasing resource availability in soil along succession. At later successional stages, bacterial community phylogenetic structures displayed progressively lower variability. The fungal community phylogenetic structures varied relatively less and were independent of soil age, soil properties and vegetation cover, which was attributed to the dominance of stochastic processes in community structure turnover along succession. Network analysis revealed a decrease in bacterial co-occurrence complexity along succession, which aligned with a decrease in average pairwise phylogenetic distances between co-occurring bacteria. These patterns together implied a decrease in potential bacterial cooperation that was probably mediated by increasing resource availability along succession. The increased complexity of fungal co-occurrence along succession was independent of the phylogeny between co-occurring fungi. This study provides new sights into ecological processes and mechanisms underlying bacterial and fungal community dynamics along ecological succession, thereby boosting our understanding of the interactions between microbial community assembly and soil environment gradients.

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Diversity of fungi and bacteria in species-rich grasslands increases with plant diversity in shoots but not in roots and soil

Cited by 37 publications

References 67 publications

Soil microbial activity in a Mediterranean garrigue responds more to changing shrub community than to reduced rainfall

Soil microbial activity in a Mediterranean garrigue responds more to changing shrub community than to reduced rainfall

Plant Taxonomic Diversity Better Explains Soil Fungal and Bacterial Diversity than Functional Diversity in Restored Forest Ecosystems

Microbial phylogenetic relatedness links to distinct successional patterns of bacterial and fungal communities

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