globalchange  > 气候变化与战略
DOI: 10.1111/ele.13724
论文题名:
Invasion-induced root–fungal disruptions alter plant water and nitrogen economies
作者: Bialic-Murphy L.; Smith N.G.; Voothuluru P.; McElderry R.M.; Roche M.D.; Cassidy S.T.; Kivlin S.N.; Kalisz S.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:6
起始页码: 1145
结束页码: 1156
语种: 英语
中文关键词: Allelopathy ; AM soil fungi and plant traits ; least cost theory ; mutualism disruption ; nutrient use efficiency ; plant invasion ; root–fungal symbionts ; soil microbial community ; water use efficiency
英文关键词: nitrogen ; water ; fungus ; microbiology ; plant ; soil ; Fungi ; Nitrogen ; Plants ; Soil ; Soil Microbiology ; Water
英文摘要: Despite widespread evidence that biological invasion influences both the biotic and abiotic soil environments, the extent to which these two pathways underpin the effects of invasion on plant traits and performance remains unknown. Leveraging a long-term (14-year) field experiment, we show that an allelochemical-producing invader affects plants through biotic mechanisms, altering the soil fungal community composition, with no apparent shifts in soil nutrient availability. Changes in belowground fungal communities resulted in high costs of nutrient uptake for native perennials and a shift in plant traits linked to their water and nutrient use efficiencies. Some plants in the invaded community compensate for the disruption of nutritional symbionts and reduced nutrient provisioning by sanctioning more nitrogen to photosynthesis and expending more water, which demonstrates a trade-off in trait investment. For the first time, we show that the disruption of belowground nutritional symbionts can drive plants towards alternative regions of their trait space in order to maintain water and nutrient economics. © 2021 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166775
Appears in Collections:气候变化与战略

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作者单位: Department of Ecology and Evolutionary Biology, University of Tennessee Knoxville, Knoxville, TN, United States; Department of Biological Sciences, Texas Tech University, Lubbock, TX, United States; Department of Biology, University of Florida, Gainesville, FL, United States

Recommended Citation:
Bialic-Murphy L.,Smith N.G.,Voothuluru P.,et al. Invasion-induced root–fungal disruptions alter plant water and nitrogen economies[J]. Ecology Letters,2021-01-01,24(6)
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