DOI: 10.1038/s41561-021-00744-x
论文题名: Different climate sensitivity of particulate and mineral-associated soil organic matter
作者: Lugato E. ; Lavallee J.M. ; Haddix M.L. ; Panagos P. ; Cotrufo M.F.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2021
卷: 14, 期: 5 起始页码: 295
结束页码: 300
语种: 英语
英文关键词: carbon sequestration
; climate change
; coniferous forest
; forest management
; geographical distribution
; land cover
; topsoil
; vulnerability
; warming
; Matthiola
英文摘要: Soil carbon sequestration is seen as an effective means to draw down atmospheric CO2, but at the same time warming may accelerate the loss of extant soil carbon, so an accurate estimation of soil carbon stocks and their vulnerability to climate change is required. Here we demonstrate how separating soil carbon into particulate and mineral-associated organic matter (POM and MAOM, respectively) aids in the understanding of its vulnerability to climate change and identification of carbon sequestration strategies. By coupling European-wide databases with soil organic matter physical fractionation, we assessed the current geographical distribution of mineral topsoil carbon in POM and MAOM by land cover using a machine-learning approach. Further, using observed climate relationships, we projected the vulnerability of carbon in POM and MAOM to future climate change. Arable and coniferous forest soils contain the largest and most vulnerable carbon stocks when cumulated at the European scale. Although we show a lower carbon loss from mineral topsoils with climate change (2.5 ± 1.2 PgC by 2080) than those in some previous predictions, we urge the implementation of coniferous forest management practices that increase plant inputs to soils to offset POM losses, and the adoption of best management practices to avert the loss of and to build up both POM and MAOM in arable soils. © 2021, The Author(s), under exclusive licence to Springer Nature Limited. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169786
Appears in Collections: 气候变化与战略
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作者单位: European Commission, Joint Research Centre (JRC), Ispra, Italy; Department of Soil and Crop Science, Colorado State University, Fort Collins, CO, United States
Recommended Citation:
Lugato E.,Lavallee J.M.,Haddix M.L.,et al. Different climate sensitivity of particulate and mineral-associated soil organic matter[J]. Nature Geoscience,2021-01-01,14(5)