KAKAMI

The biological diversity of growth substrates is a key factor in maintaining ecosystem services. Current commercialized growth substrates have been developed to support plant growth and reduce weeds, but at the same time, their microbiological diversity has become simplified. In urban environments, especially in confined growth substrates such as green roofs and walls, the development processes of microbial communities on commercialized growth substrates are still poorly understood.

This project examines how different commercialized growth substrates affect microbial communities and their ecosystem services. Laboratory experiments compare four different types of growth substrates, to which soil organisms are added. Measurements focus on microbial biomass, diversity, and decomposition activity, as well as the physical and chemical properties of the substrates.

The project combines knowledge of soil ecology with the practical challenges of horticulture and green construction. It highlights the significance of the habitats provided by commercialized, clean growth substrates for microbes and other small organisms. The project’s results provide insights into how commercialized growth substrates can promote biological diversity and improve ecosystem services in constructed green environments. The findings can be utilized in areas such as green construction and urban planning.

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