Meadow transformations alter above‐ and below‐ground ecological networks and ecosystem multifunctionality

Gao, Erliang; Ma, Hui; Yang, Ting; Kaiser‐Bunbury, Christopher N.; Zhao, Zhi Gang

doi:10.1111/1365-2435.14333

Cited by 2 publications

(2 citation statements)

References 87 publications

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“…Hydrolytic enzyme activities are direct measurement of the carbon, nitrogen and phosphorus cycling function of the ecosystem that is relevant to soil microbes (Gao et al., 2023), including N‐acetyl‐β‐Glucosaminidase (NAG), β‐Glucosidase (BG), β‐Xylosidase (XYL) and neutral phosphatase (NP) (Liu et al., 2020), were determined by kits (Suzhou Keming Biotechnology Co., Ltd., Suzhou, China). These enzyme activities were measured by detecting colorimetrically.…”

Section: Methodsmentioning

confidence: 99%

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Contrasting mechanisms of non‐vascular and vascular plants on spatial turnover in multifunctionality in the Antarctic continent

Cui,

Chen,

Song

et al. 2024

Journal of Ecology

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Dominant plants play crucial roles in supporting the functioning of terrestrial ecosystems. Plants can influence the spatial heterogeneity of environmental factors, as well as the spatial turnover in the composition of soil communities (i.e. β‐diversity of soil communities). However, we still poorly understand how dominant plants drive the spatial turnover in multiple ecosystem functions (β‐multifunctionality hereafter), and to which extent the effects of dominant plants are mediated by changes in environmental heterogeneity and the β‐diversity of soil communities. Antarctica supports one of the most challenging environments on the planet including low temperature and water availability. Here, we collected soil samples under three dominant plants (lichen, moss and vascular plants) and bare ground. We measured carbon storage, nutrient availability, nutrient decomposition, microbial biomass and pathogen control to calculate β‐multifunctionality. Both non‐vascular and vascular plants were associated with increased β‐multifunctionality compared to bare ground. We further showed that lichen mainly affected β‐multifunctionality through soil temperature heterogeneity and β‐bacterial diversity. Similarly, moss mainly affected β‐multifunctionality through the spatial heterogeneity of soil water content and β‐bacterial diversity. However, vascular plants did not significantly affect environmental heterogeneity. Instead, the responses of β‐multifunctionality to vascular plants were mainly driven by the β‐diversity of soil communities. These results indicate that environmental heterogeneity is important for turnover in multiple ecosystem functions in early successional stages (dominated by non‐vascular plants), while the importance of soil communities' heterogeneity becomes more significant in late successional stages (dominated by vascular plants). Synthesis. Our findings highlight the fundamental role of dominant plants in controlling the spatial turnover in ecosystem functions, and suggest that accelerated succession under current climate warming may increase bacterial β‐diversity but decrease abiotic heterogeneity, thereby leading to both increases (e.g. regarding functions related to microbial biomass) and decreases (e.g. regarding functions related to nutrient availability) in β‐multifunctionality and hence the spatial turnover in levels of ecosystem functioning.

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Section: Methodsmentioning

confidence: 99%

“…Hydrolytic enzyme activities are direct measurement of the carbon, nitrogen and phosphorus cycling function of the ecosystem that is relevant to soil microbes (Gao et al, 2023), including N-acetyl-…”

Section: Measurement Of Nutrient Decompositionmentioning

confidence: 99%

Contrasting mechanisms of non‐vascular and vascular plants on spatial turnover in multifunctionality in the Antarctic continent

Cui,

Chen,

Song

et al. 2024

Journal of Ecology

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Networks as tools for defining emergent properties of microbiomes and their stability

Kajihara,

Hynson

2024

Microbiome

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The potential promise of the microbiome to ameliorate a wide range of societal and ecological challenges, from disease prevention and treatment to the restoration of entire ecosystems, hinges not only on microbiome engineering but also on the stability of beneficial microbiomes. Yet the properties of microbiome stability remain elusive and challenging to discern due to the complexity of interactions and often intractable diversity within these communities of bacteria, archaea, fungi, and other microeukaryotes. Networks are powerful tools for the study of complex microbiomes, with the potential to elucidate structural patterns of stable communities and generate testable hypotheses for experimental validation. However, the implementation of these analyses introduces a cascade of dichotomies and decision trees due to the lack of consensus on best practices. Here, we provide a road map for network-based microbiome studies with an emphasis on discerning properties of stability. We identify important considerations for data preparation, network construction, and interpretation of network properties. We also highlight remaining limitations and outstanding needs for this field. This review also serves to clarify the varying schools of thought on the application of network theory for microbiome studies and to identify practices that enhance the reproducibility and validity of future work.

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Meadow transformations alter above‐ and below‐ground ecological networks and ecosystem multifunctionality

Cited by 2 publications

References 87 publications

Contrasting mechanisms of non‐vascular and vascular plants on spatial turnover in multifunctionality in the Antarctic continent

Contrasting mechanisms of non‐vascular and vascular plants on spatial turnover in multifunctionality in the Antarctic continent

Networks as tools for defining emergent properties of microbiomes and their stability

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