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| DOI | 10.1111/gcb.17182 |
| Plant community diversity alters the response of ecosystem multifunctionality to multiple global change factors | |
| 发表日期 | 2024 |
| ISSN | 1354-1013 |
| EISSN | 1365-2486 |
| 起始页码 | 30 |
| 结束页码 | 2 |
| 卷号 | 30期号:2 |
| 英文摘要 | Biodiversity is considered important to the mitigation of global change impacts on ecosystem multifunctionality in terrestrial ecosystems. However, potential mechanisms through which biodiversity maintains ecosystem multifunctionality under global change remain unclear. We grew 132 plant communities with two levels of plant diversity, crossed with treatments based on 10 global change factors (nitrogen deposition, soil salinity, drought, plant invasion, simulated grazing, oil pollution, plastics pollution, antibiotics pollution, heavy metal pollution, and pesticide pollution). All global change factors negatively impacted ecosystem multifunctionality, but negative impacts were stronger in high compared with low diversity plant communities. We explored potential mechanisms for this unexpected result, finding that the inhibition of selection effects (i.e., selection for plant species associated with high ecosystem functioning) contributed to sensitivity of ecosystem multifunctionality to global change. Specifically, global change factors decreased the abundance of novel functional plants (i.e., legumes) in high but not low diversity plant communities. The negative impacts of global change on ecosystem multifunctionality were also mediated by increased relative abundance of fungal plant pathogens (identified from metabarcoding of soil samples) and their negative relationship with the abundance of novel functional plants. Taken together, our experiment highlights the importance of protecting high diversity plant communities and legumes, and managing fungal pathogens, to the maintenance of ecosystem multifunctionality in the face of complex global change. Biodiversity is crucial in mitigating the impact of global change on ecosystem multifunctionality. However, its mechanisms remain unclear. We grew 132 plant communities with two levels of plant diversity, crossed with 10 global change factors and measured ecosystem multifunctionality. All global change factors negatively impacted ecosystem multifunctionality, but the impact was stronger in high diversity communities due to reduced selection effects that were, mediated by decreased abundance of novel functional plants and increased fungal plant pathogens. Our study highlights the need to protect high diversity communities to maintain multifunctionality under global change.image |
| 英文关键词 | biodiversity; complementarity effects; ecosystem functioning; fungal pathogens; legumes; novel functional plants; selection effects |
| 语种 | 英语 |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
| WOS记录号 | WOS:001160540000001 |
| 来源期刊 | GLOBAL CHANGE BIOLOGY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/304538 |
| 作者单位 | Shandong University; Peking University; Qingdao Agricultural University; University of Canterbury; Qingdao Agricultural University; Shandong University |
| 推荐引用方式 GB/T 7714 | . Plant community diversity alters the response of ecosystem multifunctionality to multiple global change factors[J],2024,30(2). |
| APA | (2024).Plant community diversity alters the response of ecosystem multifunctionality to multiple global change factors.GLOBAL CHANGE BIOLOGY,30(2). |
| MLA | "Plant community diversity alters the response of ecosystem multifunctionality to multiple global change factors".GLOBAL CHANGE BIOLOGY 30.2(2024). |
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