Microbial Resources and Ecological Functions
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My research project is mainly focused on the exploration and utilization of microbial resources in forest ecosystems to mitigate environmental stresses and biotic disturbances in the face of global change. The topics include but not limited to: plant-soil-microbe interactions, microbial invasion, microbiome engineering, and global change factors.
Project 1: Microbial Inoculants and Their Practical Applications
Project 1: Microbial Inoculants and Their Practical Applications
Project Description
Project Description
The effects of microbial inoculants on plant-soil system performance are highly context-dependent on the inoculation method. To select the appropriate inoculant type and inoculation period, we examined the individual and combined effects of four microbial inoculants on soil nutrient properties and their growth dynamics in the degraded soil via a soil-incubation test. After that, we subsequently conducted a pot experiment and a field experiment to testify the practical effects on plants and soil under natural conditions.
Results
Results
Application of inoculants amplify the beneficial effects of organic fertilizer on plant growth
Mixed inoculants and organic fertilizer can help improve their survivals
Practical effects are somehow determined by the application level
Q: What about the soil-resident microorganisms? Did they help or not?
Project 2: Interactions Between Inoculants and Soil-Resident Microbiome
Project 2: Interactions Between Inoculants and Soil-Resident Microbiome
Project Description
Project Description
Introducing beneficial microbial inoculants to degraded lands represents a promising strategy, but their inoculations may impact the soil-resident microbiome as biotic disturbances. Consequently, it is important to understand how the resident microbes respond to the inoculations and how their interactions affect plant-soil performance. Hence, we investigated the responses of soil-resident community in the pot and field experiment.
Pot experimental design
Pot experimental design
Impacts of periodic inoculations on the resident microbiome
Field experimental design
Field experimental design
Interactions between inoculants and the resident microbiome reshaped plant performance and soil fertility
Highlighted Results
Highlighted Results
Periodic inoculations changed the succession course, but finally the community stabilized.
The relatively rare bacteria and relatively abundant fungi are the major roles for understanding the impacts of microbial inoculations
The fate of introduced soil-beneficial microorganisms is determined by the resident microbial diversity
The fate of introduced soil-beneficial microorganisms is determined by the resident microbial diversity
Inoculants can impact the resident microbial community
The initial inoculations play more important roles in influencing the whole system
Different bacterial and fungal subcommunities disproportionally responded to the biotic disturbances
GJAM can identify specific microbial taxa that act as potential indicators relating to the success of inoculant application
Q: How to stimulate the resident microbiome to achieve different ecological goals?
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Want to know more about my research?
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