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| DOI | 10.1111/nph.19690 |
| Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands | |
| 发表日期 | 2024 |
| ISSN | 0028-646X |
| EISSN | 1469-8137 |
| 起始页码 | 242 |
| 结束页码 | 3 |
| 卷号 | 242期号:3 |
| 英文摘要 | center dot Warming and elevated CO2 (eCO(2)) are expected to facilitate vascular plant encroachment in peatlands. The rhizosphere, where microbial activity is fueled by root turnover and exudates, plays a crucial role in biogeochemical cycling, and will likely at least partially dictate the response of the belowground carbon cycle to climate changes. center dot We leveraged the Spruce and Peatland Responses Under Changing Environments (SPRUCE) experiment, to explore the effects of a whole -ecosystem warming gradient (+0 degrees C to 9 degrees C) and eCO(2) on vascular plant fine roots and their associated microbes. We combined trait -based approaches with the profiling of fungal and prokaryote communities in plant roots and rhizospheres, through amplicon sequencing. center dot Warming promoted self-reliance for resource uptake in trees and shrubs, while saprophytic fungi and putative chemoorganoheterotrophic bacteria utilizing plant -derived carbon substrates were favored in the root zone. Conversely, eCO(2) promoted associations between trees and ectomycorrhizal fungi. Trees mostly associated with short -distance exploration -type fungi that preferentially use labile soil N. Additionally, eCO(2) decreased the relative abundance of saprotrophs in tree roots. center dot Our results indicate that plant fine -root trait variation is a crucial mechanism through which vascular plants in peatlands respond to climate change via their influence on microbial communities that regulate biogeochemical cycles. |
| 英文关键词 | associations between fungi and plant hosts; atmospheric CO2 enrichment; belowground plant traits; boreal peatlands; fungal and bacterial communities; terrestrial nutrient cycle; warming |
| 语种 | 英语 |
| WOS研究方向 | Plant Sciences |
| WOS类目 | Plant Sciences |
| WOS记录号 | WOS:001188795800001 |
| 来源期刊 | NEW PHYTOLOGIST
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289647 |
| 作者单位 | University System of Georgia; Georgia Institute of Technology; University System of Georgia; Georgia Institute of Technology; Michigan Technological University; United States Department of Energy (DOE); Pacific Northwest National Laboratory; United States Department of Energy (DOE); Oak Ridge National Laboratory; United States Department of Energy (DOE); Oak Ridge National Laboratory; United States Department of Energy (DOE); Oak Ridge National Laboratory; University System of Georgia; Georgia Institute of Technology |
| 推荐引用方式 GB/T 7714 | . Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands[J],2024,242(3). |
| APA | (2024).Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands.NEW PHYTOLOGIST,242(3). |
| MLA | "Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands".NEW PHYTOLOGIST 242.3(2024). |
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