Plant diversity, also known as botanical biodiversity, refers to the different plant species found in a specific region and the genetic diversity within those species. As one of the fundamental elements of biodiversity, it makes significant contributions to ecological systems and environmental health, playing a vital role in the balance and sustainability of ecosystems. Plant diversity directly and indirectly affects the functioning of the ecosystem, highlighting the importance of interactions at multiple trophic levels. Recent research delves deeply into the effects of trophic complexity on ecosystem multifunctionality, conducting studies to predict the potential consequences of biodiversity loss on these ecosystems.
Yi Li and his colleagues aimed to investigate the effects of plant diversity on ecosystem multifunctionality through multiple trophic diversity in two large-scale biodiversity experiments—one in temperate grasslands and the other in subtropical forests. However, since current studies generally focus on individual trophic levels, functions, and specific ecosystem types, it is noteworthy that the relationships between multiple trophic diversity and ecosystem multifunctionality have not yet been sufficiently researched. Therefore, the findings presented in this study contribute to a better understanding of the impacts of multiple trophic diversity on ecosystem functionality.
In the study, using data on 13 trophic groups and 13 ecosystem functions, resilience equality models are applied to investigate the fundamental mechanisms of the effects of plant diversity on ecosystem multifunctionality. Flexibility is used to understand how biological systems adapt to environmental changes. For example, the resilience of ecosystems refers to their resistance to stress factors and their ability to recover. From plant diversity to the diversity of different aboveground and belowground tropical groups, or from polytypic diversity to ecosystem multifunctionality, causal pathways have been examined.
The findings indicate that plant diversity enhances ecosystem multifunctionality both directly and indirectly, and has a stronger positive relationship with individual trophic groups. The positive effect of plant diversity on multifunctionality is primarily mediated through the diversity of aboveground trophic groups, and these interactions play a more pronounced role in forest ecosystems. The study suggests that conservation efforts should focus on preserving the diversity of both plants and higher trophic levels in order to sustain the multiple functions and services provided by meadow and forest ecosystems.
In conclusion, this study underscores the critical importance of the impact of environmental diversity on human behaviors and the continuous development of ecosystems. It examines the role of different types of ecosystems in various aspects of life such as health, education, and employment, and the impact of these ecosystems on the environment, human activities, and the economy. It emphasizes the critical importance of the roles of biodiversity-ecosystem functionality, food web diversity, plant biomass, and herbivore diversity in gradual change for the conservation of sustainable ecosystems. In the future, in light of the findings of this research, the integration of plant and trophic diversity in policy development processes could enhance the sustainability of ecosystem services. This situation will allow for both the increase of environmental awareness and the more effective conservation of natural resources. Therefore, such studies have great potential in the development of future conservation strategies and the improvement of ecosystem health.
Author: İnci Atakan
Editor: Elif Duymaz
Reference: Li, Y., Schuldt, A., Ebeling, A., Eisenhauer, N., Huang, Y., Albert, G., Albracht, C., Amyntas, A., Bonkowski, M., Bruelheide, H., Bröcher, M., Chesters, D., Chen, J., Chen, Y., Chen, J., Ciobanu, M., Deng, X., Fornoff, F., Gleixner, G., . . . Liu, X. (2024). Plant diversity enhances ecosystem multifunctionality via multitrophic diversity. Nature Ecology & Evolution. https://doi.org/10.1038/s41559-024-02517-2
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