Multifaceted Links Between Microbial Carbon Use Efficiency and Soil Organic Carbon Sequestration

Global Change Biology, Год журнала: 2025, Номер 31(1)

Опубликована: Янв. 1, 2025

Conceptual framework to unlock the mechanisms for microbial carbon use efficiency and SOC formation.

Язык: Английский

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Probing the pump: soil carbon dynamics, microbial carbon use efficiency and community composition in response to stoichiometrically-balanced compost and biochar

Soil Biology and Biochemistry, Год журнала: 2025, Номер unknown, С. 109770 - 109770

Опубликована: Март 1, 2025

Язык: Английский

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Nonlinear microbial thermal response and its implications for abrupt soil organic carbon responses to warming

Nature Communications, Год журнала: 2025, Номер 16(1)

Опубликована: Март 20, 2025

Microbial carbon use efficiency (CUE) is a key microbial trait affecting soil organic (SOC) dynamics. However, we lack unified and predictive understanding of the mechanisms underpinning temperature response CUE, and, thus, its impacts on SOC storage in warming world. Here, leverage three independent datasets (n = 618 for CUE; n 591 660 heterotrophic respiration) at broad spatial scales to investigate thermal implications responses warming. We show nonlinear increase decrease CUE respiration, respectively, mean annual (MAT), with threshold ≈15 °C. These relationships are mainly associated changes fungal-to-bacterial biomass ratio. Our microbial-explicit model predicts significant losses MAT above °C due increased total biomass, implying potential abrupt transition more vulnerable under climate This study leverages empirical respiration 15 °C,

Язык: Английский

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Long-term NPK fertilization enhances microbial carbon use efficiency in Andosols by alleviating P limitation and shifting microbial strategies

Environmental Research, Год журнала: 2025, Номер unknown, С. 121598 - 121598

Опубликована: Апрель 1, 2025

Язык: Английский

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Threshold effects of vegetation increase on ecosystem services based on the constraint line method in the Loess Plateau gully Zone

Ecological Indicators, Год журнала: 2025, Номер 174, С. 113470 - 113470

Опубликована: Апрель 22, 2025

Язык: Английский

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Restoration Age Enhances Soil Organic Carbon Sequestration Primarily Through Plant-derived Carbon in a Coastal Wetland

Опубликована: Апрель 28, 2025

Aims Plant- and microbial-derived carbon (C) are the primary sources of soil organic (SOC) in coastal wetlands, yet their contributions across vegetation restoration chronosequences remain poorly understood. Methods Using biomarker approaches, we investigated dynamics total lignin phenols (VSC) microbial necromass C (MNC) SOC over a 20-year chronosequence (0, 4, 8, 11, 20 years) Yellow River Delta China. Results Vegetation significantly increased VSC MNC contents, but both showed unimodal patterns with age peaked at 8 years. Restoration to (1.9–7.1%) had limited effects on MNC, which averaged 28.64%—lower than anticipated. The contents VSC, vanillyl phenols, syringyl cinnamyl fungal (FNC) biomass (MBC) were positively correlated content. However, Bacterial (BNC) no significant correlation SOC. Plant coverage C/N ratio main drivers source changes, showing positive negative linear relationships content, respectively. Structural equation model that plant-derived is most important driver SOC, while has effect Conclusions Although response age, Increasing affected by plant cover enhanced sequestration compared C.

Язык: Английский

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Nitrogen deposition mitigates long-term phosphorus input-induced stimulative effects on soil respiration in a tropical forest

Geoderma, Год журнала: 2024, Номер 453, С. 117142 - 117142

Опубликована: Дек. 15, 2024

Язык: Английский

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