Effects of fencing on near-term ecosystem multifunctionality in a typical steppe in Inner Mongolia

Zheng, Jia‐Hua; Zhang, Bin; Zhang, Feng; Zhao, Tianqi; Wang, Qi; Han, Guodong; Zhao, Mingwen

doi:10.1016/j.agee.2022.108238

Cited by 11 publications

(3 citation statements)

References 59 publications

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“…Restoring degraded grasslands presents a complex, long-term challenge ( Moreno-Mateos et al., 2020 ), with grazing exclusion (GE) considered an effective practice for combating degradation and enhancing the recovery of ecosystem services. Numerous studies have investigated GE’ s influence on vegetation community dynamics (e.g., biomass, diversity, and coverage) and soil variables (e.g., pH, moisture, SOC and nutrient availability) ( Yu et al., 2021 ; Zheng et al., 2023 ). However, understanding of how GE affects soil microbial diversity remains limited.…”

Section: Discussionmentioning

confidence: 99%

“…This knowledge gap hinders the identification of potential microbial diversity-function trade-offs during grazing exclusion. Moreover, most studies on biodiversity and multifunctionality changes have focused on local or regional scales ( Liu et al., 2022 ; Zhang et al., 2023 ; Zheng et al., 2023 ), with few assessing microbial diversity and function changes during grazing exclusion across global scales, varying climates, and grassland types. Therefore, assessing relationships between microbial diversity and ecosystem functionality under grazing exclusion could inform sustainable management strategies in managed ecosystems and support global grassland restoration initiatives.…”

Section: Introductionmentioning

confidence: 99%

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Effects of grazing exclusion on soil microbial diversity and its functionality in grasslands: a meta-analysis

Shu,

Ye,

Huang

et al. 2024

Front. Plant Sci.

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Grazing exclusion (GE) is considered an effective strategy for restoring the degradation of overgrazed grasslands on the global scale. Soil microbial diversity plays a crucial role in supporting multiple ecosystem functions (multifunctionality) in grassland ecosystems. However, the impact of grazing exclusion on soil microbial diversity remains uncertain. Here, we conducted a meta-analysis using a dataset comprising 246 paired observations from 46 peer-reviewed papers to estimate how GE affects microbial diversity and how these effects vary with climatic regions, grassland types, and GE duration ranging from 1 to 64 years. Meanwhile, we explored the relationship between microbial diversity and its functionality under grazing exclusion. Overall, grazing exclusion significantly increased microbial Shannon (1.9%) and microbial richness (4.9%) compared to grazing group. For microbial groups, GE significantly increased fungal richness (8.6%) and bacterial richness (5.3%), but decreased specific microbial richness (-11.9%). The responses of microbial Shannon to GE varied among climatic regions, grassland types, and GE duration. Specifically, GE increased microbial diversity in in arid, semi-arid, and dry sub-humid regions, but decreased it in humid regions. Moreover, GE significantly increased microbial Shannon in semidesert grasslands (5.9%) and alpine grasslands (3.0%), but not in temperate grasslands. Long-term (>20 year) GE had greater effects on microbial diversity (8.0% for Shannon and 6.7% for richness) compared to short-term (<10 year) GE (-0.8% and 2.4%). Furthermore, grazing exclusion significantly increased multifunctionality, and both microbial and plant Shannon positively correlated with multifunctionality. Overall, our findings emphasize the importance of considering climate, GE duration, and grassland type for biodiversity conservation and sustainable grassland ecosystem functions.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of grazing exclusion on soil microbial diversity and its functionality in grasslands: a meta-analysis

Shu,

Ye,

Huang

et al. 2024

Front. Plant Sci.

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“…All sites had flat terrain and spatially homogeneous vegetation (Appendix S1: Figure S1, Tables S1-S3). Grazing experiments started in May and ended in October of each year (Zheng et al, 2023). Three grazed pastures were selected to represent three replicates.…”

Section: Experimental Design and Samplingmentioning

confidence: 99%

Mowing increased community stability in semiarid grasslands more than either fencing or grazing

Zhao,

Suo,

Alemu

et al. 2024

Ecological Applications

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A substantial body of empirical evidence suggests that anthropogenic disturbance can affect the structure and function of grassland ecosystems. Despite this, few studies have elucidated the mechanisms through which grazing and mowing, the two most widespread land management practices, affect the stability of natural grassland communities. In this study, we draw upon 9 years of field data from natural grasslands in northern China to investigate the effects of gazing and mowing on community stability, specifically focusing on community aboveground net primary productivity (ANPP) and dominance, which are two major biodiversity mechanisms known to characterize community fluctuations. We found that both grazing and mowing reduced ANPP in comparison to areas enclosed by fencing. Grazing reduced community stability by increasing the likelihood of single‐species dominance and decreasing the relative proportion of nondominant species. In contrast, mowing reduced the productivity of the dominant species but increased the productivity of nondominant species. As a consequence, mowing improved the overall community stability by increasing the stability of nondominant species. Our study provides novel insight into understanding of the relationship between community species fluctuation‐stability, with implications for ecological research and ecosystem management in natural grasslands.

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Mowing effects on soil bacterial community assembly processes in a semiarid grassland

Zheng,

Wang,

et al. 2023

Plant Soil

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Effects of fencing on near-term ecosystem multifunctionality in a typical steppe in Inner Mongolia

Cited by 11 publications

References 59 publications

Effects of grazing exclusion on soil microbial diversity and its functionality in grasslands: a meta-analysis

Effects of grazing exclusion on soil microbial diversity and its functionality in grasslands: a meta-analysis

Mowing increased community stability in semiarid grasslands more than either fencing or grazing

Mowing effects on soil bacterial community assembly processes in a semiarid grassland

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