globalchange  > 气候变化与战略
DOI: 10.1111/ele.13648
论文题名:
Soil element coupling is driven by ecological context and atomic mass
作者: Ochoa-Hueso R.; Plaza C.; Moreno-Jiménez E.; Delgado-Baquerizo M.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:2
起始页码: 319
结束页码: 326
语种: 英语
中文关键词: Atomic properties ; biotic controllers ; chronosequences ; coupled biogeochemical cycles ; elemental cycles ; pedogenesis
英文关键词: carbon ; nitrogen ; phosphorus ; biodiversity ; ecosystem ; microbiology ; soil ; Biodiversity ; Carbon ; Ecosystem ; Nitrogen ; Phosphorus ; Soil ; Soil Microbiology
英文摘要: The biogeochemical cycling of multiple soil elements is fundamental for life on Earth. Here, we conducted a global field survey across 16 chronosequences from contrasting biomes with soil ages ranging from centuries to millions of years. For this, we collected and analysed 435 topsoil samples (0–10 cm) from 87 locations. We showed that high levels of topsoil element coupling, defined as the average correlation among nineteen soil elements, are maintained over geological timescales globally. Cross-biome changes in plant biodiversity, soil microbial structure, weathering, soil pH and texture, and mineral-free unprotected organic matter content largely controlled multi-element coupling. Moreover, elements with heavier atomic mass were naturally more decoupled and unpredictable in space than those with lighter mass. Only the coupling of carbon, nitrogen and phosphorus, which are essential to life on Earth, deviated from this predictable pattern, suggesting that this anomaly may be an undeniable fingerprint of life in terrestrial soils. © 2020 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/166904
Appears in Collections:气候变化与战略

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作者单位: Department of Biology, IVAGRO, University of Cádiz, Campus de Excelencia Internacional Agroalimentario (CeiA3), Campus del Rio San Pedro, Puerto Real, Cádiz, 11510, Spain; Instituto de Ciencias Agrarias, Consejo Superior de Investigaciones Científicas, Serrano 115 bis, Madrid, 28006, Spain; Department of Agricultural and Food Sciences, Faculty of Sciences, Universidad Autónoma de Madrid, Madrid, 28049, Spain; Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla, 41013, Spain

Recommended Citation:
Ochoa-Hueso R.,Plaza C.,Moreno-Jiménez E.,et al. Soil element coupling is driven by ecological context and atomic mass[J]. Ecology Letters,2021-01-01,24(2)
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