ArticleGlobal change biology2025
Warming and Reduced Rainfall Alter Fungal Necromass Decomposition Rates and Associated Microbial Community Composition and Functioning at a Temperate-Boreal Forest Ecotone.
Article in Global change biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Elevation modulates the effects of tourism disturbance on soil fungal and bacterial communities in a cold-temperate montane forest.Frontiers in microbiology · 2026Article
- Warming and Reduced Rainfall Alter Fungal Necromass Decomposition Rates and Associated Microbial Community Composition and Functioning at a Temperate-Boreal Forest Ecotone.Global change biology · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Changes in temperature and rainfall associated with altered climatic conditions are likely to significantly alter rates of soil organic matter decomposition. To determine how the combined effects of warming and drought impact the decomposition of fungal necromass, a large and fast-cycling portion of the global soil organic carbon (C) pool, we incubated Hyaloscypha bicolor necromass under both ambient and altered conditions (+3.3°C air and soil warming and ~40% reduced rainfall) at the B4Warmed experiment in Minnesota, USA. We conducted two multi-week incubations, one assessing mass loss and microbial community composition on decaying necromass after 1, 2, 7, and 14 weeks and the second characterizing the substrate utilization capacities of necromass-associated microbial communities after Weeks 1 and 7. Warming and reduced rainfall accelerated the initial rate of necromass decay by ~20%, yet slowed overall mass loss by ~6% at the end of the 14-week incubation. These different rates of decay over time paralleled shifting abiotic conditions, with altered plots experiencing warmer and relatively moist conditions early, but hotter and drier conditions later. The microbial community composition also varied by treatment and time, with warming and reduced rainfall stimulating fast-growing fungi as well as fungal relative to bacterial growth overall. Additionally, the functional capacity of the microbial community also changed over time, having a higher metabolic capability to utilize C and N substrates in the altered plots early in decomposition but a lower capability later in decay. Collectively, our findings highlight a dynamic, stage-dependent response of fungal necromass decomposition to altered climate regimes. By linking these decay dynamics to shifts in environmental conditions as well as microbial community composition and function, our study highlights the critical roles of both abiotic and biotic changes in mediating decomposition responses to climate change.
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Registered trials
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