ArticleFrontiers in plant science2025
Alterations in microhabitat can impact litter decomposition by modifying the litter C/N ratio and regulating soil microbial activity.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Under extreme drought conditions, the mechanisms of litter decomposition and the associated microbial activities differ significantly from those in non-drought regions. These differences are primarily attributed to reduced precipitation, sparse vegetation cover, intense solar radiation, and unstable soil environments. However, it remains unclear how alterations in litter properties and soil microbial communities-induced by changes in the microenvironment under extreme drought-affect the processes of litter decomposition. Methods: To address this issue, we selected two distinct habitat types, applied two sand-burial treatments (surface vs. 15 cm depth), and employed the litterbag method to investigate how variations in microenvironmental conditions influence litter decomposition via changes in litter quality and soil microbial communities. Results: The results indicated that in vegetated areas, sand burial enhanced nitrogen (N) release from litter by 16.56%, accelerated carbon (C) release by 13.13%, and significantly increased mass loss by 7.50%. Structural equation modeling further revealed that Discussion: In summary, modifications to the microenvironment influence litter decomposition by altering nutrient release and the composition of soil microbial communities, ultimately affecting ecosystem C and N cycling in arid environments.
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