Multitrophic diversity and biotic associations influence subalpine forest ecosystem multifunctionality

Luo, Ya‐Huang; Cadotte, Marc W.; Liu, Jie; Burgess, Kevin S.; Tan, Shao‐Lin; Ye, Lin-Jiang; Zou, Jia‐Yun; Chen, Zhongzheng; Jiang, Xuelong; Li, Juan; Xu, Kun; D, Li; Gao, Lian‐Ming

doi:10.1002/ecy.3745

Cited by 31 publications

(11 citation statements)

References 63 publications

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“…First, the functional contributions of species and their assemblages might not be equal across different functions (Cadotte et al, 2017; Hautier et al, 2018; Mori et al, 2016; Wagg et al, 2021). This is especially likely in non‐experimental natural systems (so‐called real‐world systems) (Mori et al, 2018), where species assemblages are largely variable both in space and time (Magurran & McGill, 2011), and abiotic drivers also directly or indirectly influence ecosystem processes (Hagan et al, 2021; Luo et al, 2022; van der Plas, 2019). Although knowledge about the diversity‐multifunctionality linkages originally comes from experimental plant communities, it is now increasingly recognized as being common across different organism groups and beyond manipulated systems (cf.…”

Section: Introductionmentioning

confidence: 99%

Assessing the importance of species and their assemblages for the biodiversity‐ecosystem multifunctionality relationship

Mori

Isbell

Cadotte

2023

Ecology

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Biodiversity changes, such as decline in species richness and biotic homogenization, can have grave consequences for ecosystem functionality. Careful investigation of biodiversity–ecosystem multifunctionality linkages with due consideration of conceptual and technical challenges is required to make the knowledge practically useful in managing social–ecological systems. In this paper, we introduced different methods to assess perspectives regarding the issue of diversity‐multifunctionality, including a possible multifunctional redundancy/uniqueness, and the influences of the number and identity of functions on multifunctionality. In particular, we aimed to align methods with detecting the mechanisms underpinning diversity‐multifunctional relationships that are free from statistical biases. Based on a set of novel methods that excluded analytical biases resulting from differences in the number and identities of multiple functions considered, we found that a substantial portion of species disproportionately supported ecosystem functions and that the diversity effects on multifunctionality were more markedly observed when more functions were considered. These results jointly emphasize that individual species are, to some extent, both functionally unique as well as redundant, highlighting the complexity and necessity for managed assemblages to retain high levels of diversity. We also observed that the relative magnitude of uniqueness or redundancy can differ between species and functions and therefore should be defined in a multifunctional context. We further found that only a small subset of species was identified as significantly less important, especially at low levels of multifunctionality. Taken together, given the low level of multifunctional redundancy we identified, we stress that unraveling the hierarchical roles of biodiversity at different levels, such as individual species and their assemblages, should be a high research priority, in both theory and practice.

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Section: Introductionmentioning

confidence: 99%

Assessing the importance of species and their assemblages for the biodiversity‐ecosystem multifunctionality relationship

Mori

Isbell

Cadotte

2023

Ecology

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“…Previous research on complex trophic webs has demonstrated that increases in the number of associations are concomitant with the increase of species richness (Luo et al., 2022). Consistent with this research, our findings showed that greater plant–fungal species richness were positively correlated with plant–fungus network complexity (Figure S9).…”

Section: Discussionmentioning

confidence: 99%

Interkingdom ecological networks between plants and fungi drive soil multifunctionality across arid inland river basin

Wang,

et al. 2023

Molecular Ecology

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Despite the known collective contribution of above‐ (plants) and below‐ground (soil fungi) biodiversity on multiple soil functions, how the associations among plant and fungal communities regulate soil multifunctionality (SMF) differentially remains unknown. Here, plant communities were investigated at 81 plots across a typical arid inland river basin, within which associated soil fungal communities and seven soil functions (nutrients storage and biological activity) were measured in surface (0–15 cm) and subsurface soil (15–30 cm). We evaluated the relative importance of species richness and biotic associations (reflected by network complexity) on SMF. Our results demonstrated that plant species richness and plant–fungus network complexity promoted SMF in surface and subsurface soil. SMF in two soil layers was mainly determined by plant–fungus network complexity, mean groundwater depth and soil variables, among which plant–fungus network complexity played a crucial role. Plant–fungus network complexity had stronger effects on SMF in surface soil than in subsurface soil. We present evidence that plant–fungus network complexity surpassed plant‐fungal species richness in determining SMF in surface and subsurface soil. Moreover, plant–fungal species richness could not directly affect SMF. Greater plant–fungal species richness indirectly promoted SMF since they ensured greater plant–fungal associations. Collectively, we concluded that interkingdom networks between plants and fungi drive SMF even in different soil layers. Our findings enhanced our knowledge of the underlying mechanisms that above‐ and below‐ground associations promote SMF in arid inland river basins. Future study should place more emphasis on the associations among plant and microbial communities in protecting soil functions under global changes.

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“…Soil ecosystem multifunctionality (SMF) indices, which are often used to provide a quantitative assessment of soil function, may be effective tools for summarizing these extremely complex and interactive processes (Delgado‐Baquerizo et al., 2016; Fan et al., 2023; Soliveres et al., 2016). Soil microbial diversity may potentially drive forest SMF (Delgado‐Baquerizo et al., 2020; Luo et al., 2022; Schuldt et al., 2018). These findings are crucial in aiding our enhanced comprehension of the relationship between soil microbial diversity and forest SMF.…”

Section: Introductionmentioning

confidence: 99%

Canopy nitrogen deposition enhances soil ecosystem multifunctionality in a temperate forest

Yang,

Zhu,

Zhang

et al. 2024

Global Change Biology

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Nitrogen (N) deposition affects ecosystem functions crucial to human health and well‐being. However, the consequences of this scenario for soil ecosystem multifunctionality (SMF) in forests are poorly understood. Here, we conducted a long‐term field experiment in a temperate forest in China, where N deposition was simulated by adding N above and under the canopies. We discover that canopy N addition promotes SMF expression, whereas understory N addition suppresses it. SMF was regulated by fungal diversity in canopy N addition treatments, which is largely due to the strong resistance to soil acidification and efficient resource utilization characteristics of fungi. While in understory N addition treatments, SMF is regulated by bacterial diversity, which is mainly because of the strong resilience to disturbances and fast turnover of bacteria. Furthermore, rare microbial taxa may play a more important role in the maintenance of the SMF. This study provides the first evidence that N deposition enhanced SMF in temperate forests and enriches the knowledge on enhanced N deposition affecting forest ecosystems. Given the divergent results from two N addition approaches, an innovative perspective of canopy N addition on soil microbial diversity‐multifunctionality relationships is crucial to policy‐making for the conservation of soil microbial diversity and sustainable ecosystem management under enhanced N deposition. In future research, the consideration of canopy N processes is essential for more realistic assessments of the effects of atmospheric N deposition in forests.

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Multitrophic diversity and biotic associations influence subalpine forest ecosystem multifunctionality

Cited by 31 publications

References 63 publications

Assessing the importance of species and their assemblages for the biodiversity‐ecosystem multifunctionality relationship

Assessing the importance of species and their assemblages for the biodiversity‐ecosystem multifunctionality relationship

Interkingdom ecological networks between plants and fungi drive soil multifunctionality across arid inland river basin

Canopy nitrogen deposition enhances soil ecosystem multifunctionality in a temperate forest

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