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Plant-mycorrhizal interactions mediate plant community coexistence by altering resource demand [Ecology]

Keywords : coexistence, mycorrhizae, resource ratio theory, resource competition, soil, plant-soil feedback, R* model

par Frédéric Magné - publié le

As the diversity of plants increases in an ecosystem, so does resource competition for soil nutrients, a process that mycorrhizal fungi can mediate. The influence of mycorrhizal fungi on plant biodiversity likely depends on the strength of the symbiosis between the plant and fungi, the differential plant growth responses to mycorrhizal inoculation, and the transfer rate of nutrients from the fungus to plant. However, our current understanding of how nutrient-plant-mycorrhizal interactions influence plant coexistence is conceptual and thus lacks a unified quantitative framework.(...)

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