Convergent shifts in soil fungal communities associated with Fagaceae reforestation in the Southern Appalachian Mountains

Brown, Shawn P.; Clark, Stacy L.; Ford, Emerald; Mirza, Nahreen; Odeh, Amerah; Schlarbaum, Scott E.; Jumpponen, Ari; Baird, Richard E.

doi:10.1016/j.foreco.2023.120805

Cited by 3 publications

(2 citation statements)

References 80 publications

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“…The Lauraceae and Fagaceae hold great economic and ecological value to people [35,36]. However, few studies have analyzed in detail the contribution of these two families to subtropical forests.…”

Section: Discussionmentioning

confidence: 99%

“…In a subtropical forest in east Asia, the forest was dominated by some plant families; for instance, Fagaceae and Lauraceae plants are important components of subtropical broadleaf evergreen forests, widely distributed in tropical and subtropical regions [34] and have important ecological and economic values [35,36]. The Lauraceae has many uses, with tall trunks that can be used as garden plants, as well as trunks for timber, branches, leaves and fruits for food, and extracts as raw material for spices [37][38][39].…”

Section: Introductionmentioning

confidence: 99%

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Effects of the Dominate Plant Families on Elevation Gradient Pattern of Community Structure in a Subtropical Forest

Li,

Luo,

Song

et al. 2023

Forests

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Dominant groups and rare groups often coexist in forests. Dominate plant families generally have more species diversity and occupy most of the biomass. However, their effects on community construction and species diversity maintenance remain to be studied. This study aims to investigate this question by using the two dominant plant families in a Chinese subtropical forest (Lauraceae and Fagaceae). In this study, 22 forest dynamic plots were established in the forest distribution area of Daming Mountain Nature Reserve at an elevation of 300–1400 m. We explored the elevational change in the community structure and its relationship with Lauraceae and Fagaceae using generalized additive models (GAM) and a regression analysis. Then we used a correlation analysis to describe the relationship between environmental factors and the community structure. Our results showed the species diversity index showed a hump-shape trend along the elevation, and the total basal area showed no significant change along the elevation. The richness of Lauraceae and Fagaceae showed a positive correlation with the species diversity, but only the richness of Fagaceae showed a positive correlated with the total basal area. Species diversity was positively correlated with soil total nitrogen and soil organic matter. Species diversity and the total basal area were negatively correlated with the soil pH. In summary, Lauraceae and Fagaceae are correlated for community structure, and this correlation is not affected by elevation. Fagaceae has played a more important role than Lauranceae. This study highlights the impact of dominant plant families on the forest community assembly along the elevational transect.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of the Dominate Plant Families on Elevation Gradient Pattern of Community Structure in a Subtropical Forest

Li,

Luo,

Song

et al. 2023

Forests

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Advances and perspectives on the ecology and management of Castanea species

Marcolin¹,

Clark

Patrício

et al. 2023

Forest Ecology and Management

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Rapid Restructuring of Rhizosphere and Endospheric Fungal Communities with Drought in Multiple Lines of Domesticated Sunflower

Brown,

Mandel

2024

Phytobiomes Journal

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Plant-associated mycobiomes can influence important host plant traits including those related to disease, nutrient acquisition, phenology, stress tolerance, and productivity. Disentangling the complex multifaceted relationships between host plants and their associated mycobiomes is a critical first step for generating improvements in environmental sustainability and/or plant productivity. Despite decades of work on these plant-fungal interactions, consequences of and mechanisms controlling these interactions are not well resolved, especially in the face of environmental stress such as drought. Moreover, plant differential genotypic responses under stress and associated mycobiome assembly dynamics are likely important in structuring communities but have been less well-studied. We conducted a controlled drought stress experiment by manipulating water treatment in a diverse set of cultivated sunflower lines with different inherent drought resistance levels to evaluate how sunflower host genotypes and drought interacts to affect belowground fungal mycobiomes at the rhizospheric and endospheric levels. Our results demonstrated that fungal community structure was driven by watering treatment, plant genotype, treatment by genotype interactions, genotype by plant compartment interactions and treatment by genotype by compartment interactions. Additionally, our analyses demonstrated the relative abundance of plant pathogens and arbuscular mycorrhizal fungi increased with host genetic variation, or heterozygosity, levels. Our study provides evidence for drought and genotypic drivers of belowground sunflower-fungi interactions and offers a framework for leveraging these interactions to further understand how mycobiome community structure can improve plant productivity under stress.

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Convergent shifts in soil fungal communities associated with Fagaceae reforestation in the Southern Appalachian Mountains

Cited by 3 publications

References 80 publications

Effects of the Dominate Plant Families on Elevation Gradient Pattern of Community Structure in a Subtropical Forest

Effects of the Dominate Plant Families on Elevation Gradient Pattern of Community Structure in a Subtropical Forest

Advances and perspectives on the ecology and management of Castanea species

Rapid Restructuring of Rhizosphere and Endospheric Fungal Communities with Drought in Multiple Lines of Domesticated Sunflower

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