期刊
FRONTIERS IN PLANT SCIENCE
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2021.760599
关键词
ecosystem multifunctionality; alpine grassland; plant community; microbial biomass; Tibetan Plateau
资金
- Construction Project of Characteristic Specialty and Experimental Training Teaching Base (Center) of Guangxi Undergraduate Colleges and Universities [(2018) 52]
- Second Tibetan Plateau Scientific Expedition and Research [2019QZKK0405]
- National Natural Science Foundation of China [31901198]
Plant communities and soil microbes are correlated with ecosystem multifunctionality (EMF) in terrestrial ecosystems. The study revealed contrasting patterns of low and high EMF in the alpine grassland ecosystem on the Tibetan Plateau, with high EMF showing higher sensitivity to environmental factors. Soil properties play a critical role in mediating the impact of community functions on low EMF.
Both plant communities and soil microbes have been reported to be correlated with ecosystem multifunctionality (EMF) in terrestrial ecosystems. However, the process and mechanism of aboveground and belowground communities on different EMF patterns are not clear. In order to explore different response patterns and mechanisms of EMF, we divided EMF into low (<0) and high patterns (>0). We found that there were contrasting patterns of low and high EMF in the alpine grassland ecosystem on the Tibetan Plateau. Specifically, compared with low EMF, environmental factors showed higher sensitivity to high EMF. Soil properties are critical factors that mediate the impact of community functions on low EMF based on the change of partial correlation coefficients from 0 to 0.24. In addition, plant community functions and microbial biomass may mediate the shift of EMF from low to high patterns through the driving role of climate across the alpine grassland ecosystem. Our findings will be vital to clarify the mechanism for the stability properties of grassland communities and ecosystems under ongoing and future climate change.
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