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Patterns and Driving Factors of Litter Decomposition Rates in Global Dryland Ecosystems.
Glob Chang Biol
January 2025
State Key Laboratory of Urban and Regional Ecology, Research Center for eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
Litter decomposition is essential in linking aboveground and belowground carbon, nutrient cycles, and energy flows within ecosystems. This process has been profoundly impacted by global change, particularly in drylands, which are highly susceptible to both anthropogenic and natural disturbances. However, a significant knowledge gap remains concerning the extent and drivers of litter decomposition across different dryland ecosystems, limiting our understanding of its role in ecosystem metabolism.
View Article and Find Full Text PDFEarly allelopathic input and later nutrient addition mediated by litter decomposition of invasive affect native plant and facilitate its invasion.
Front Plant Sci
December 2024
Jingjiang College, Institute of Enviroment and Ecology, School of Emergency Management, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, China.
Litter decomposition is essential for nutrient and chemical cycling in terrestrial ecosystems. Previous research on litter decomposition has often underestimated its impact on soil nutrient dynamics and allelopathy. To address this gap, we conducted a comprehensive study involving both field and greenhouse experiments to examine the decomposition and allelopathic effects of the invasive L.
View Article and Find Full Text PDFRoot system architecture plasticity with beneficial rhizosphere microbes: Current findings and future perspectives.
Microbiol Res
December 2024
State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China. Electronic address:
The rhizosphere microbiota, often referred to as the plant's "second genome" plays a critical role in modulating root system architecture (RSA). Despite this, existing methods to analyze root phenotypes in the context of root-microbe interactions remain limited, and the precise mechanisms affecting RSA by microbes are still not fully understood. This review comprehensively evaluates current root phenotyping techniques relevant to plant-microbe interactions, discusses their limitations, and explores future directions for integrating advanced technologies to elucidate microbial roles in altering RSA.
View Article and Find Full Text PDFMetabolic crosstalk between roots and rhizosphere drives alfalfa decline under continuous cropping.
Front Plant Sci
December 2024
College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, China.
Considerable biological decline of continuously cropped alfalfa may be tightly linked to rhizosphere metabolism. However, plant-soil feedbacks and age-related metabolic changes in alfalfa stands remain unexplored. The aim of this study was to identify the linkages of rhizosphere and root metabolites, particularly autotoxins and prebiotics, to alfalfa decline under continuous cropping.
View Article and Find Full Text PDFInteractive effects of rhizospheric soil microbes and litter on the growth of the invasive hyperaccumulator in cadmium-contaminated soil.
Front Plant Sci
December 2024
Forest Dynamics, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland.
Both rhizospheric soil microbes and shoot litter input can have profound effects on plant performance; however, their interactive effects on plants in Cd-contaminated soils remain poorly understood. We grew an invasive hyperaccumulator, , in sterilized and unsterilized rhizosphere soil without litter or with a low (0.2%, dry weight ratio) or a high amount (1%) of litter from in soil with low (5 mg kg) or high (10 mg kg) concentrations of Cd.
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