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Cited by 1,953

The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.

Soil organic carbon storage as a key function of soils - A review of drivers and indicators at various scales

Open access
Wiesmeier, Martin, Urbanski, Livia, Hobley, Eleanor, Lang, Birgit, von Lützow, Margit, Marin-Spiotta, Erika, van Wesemael, Bas, Rabot, Eva, Ließ, Mareike, Garcia-Franco, Noelia, Wollschläger, Ute, Vogel, Hans-Jörg, Kögel-Knabner, Ingrid·2019·Geoderma

Abstract

Abstract The capacity of soils to store organic carbon represents a key function of soils that is not only decisive for climate regulation but also affects other soil functions. Recent efforts to assess the impact of land management on soil functionality proposed that an indicator- or proxy-based approach is a promising alternative to quantify soil functions compared to time- and cost-intensive measurements, particularly when larger regions are targeted. The objective of this review is to identify measurable biotic or abiotic properties that control soil organic carbon (SOC) storage at different spatial scales and could serve as indicators for an efficient quantification of SOC. These indicators should enable both an estimation of actual SOC storage as well as a prediction of the SOC storage potential, which is an important aspect in land use and management planning. There are many environmental conditions that affect SOC storage at different spatial scales. We provide a thorough overview of factors from micro-scales (particles to pedons) to the global scale and discuss their suitability as indicators for SOC storage: clay mineralogy, specific surface area, metal oxides, Ca and Mg cations, microorganisms, soil fauna, aggregation, texture, soil type, natural vegetation, land use and management, topography, parent material and climate. As a result, we propose a set of indicators that allow for time- and cost-efficient estimates of actual and potential SOC storage from the local to the regional and subcontinental scale. As a key element, the fine mineral fraction was identified to determine SOC stabilization in most soils. The quantification of SOC can be further refined by including climatic proxies, particularly elevation, as well as information on land use, soil management and vegetation characteristics. To enhance its indicative power towards land management effects, further “functional soil characteristics”, particularly soil structural properties and changes in the soil microbial biomass pool should be included in this indicator system. The proposed system offers the potential to efficiently estimate the SOC storage capacity by means of simplified measures, such as soil fractionation procedures or infrared spectroscopic approaches.

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Crossref · 10.1016/j.geoderma.2018.07.026

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Metadata

Authors
Wiesmeier, M., Urbanski, L., Hobley, E., Lang, B., von Lützow, M., Marin-Spiotta, E., van Wesemael, B., Rabot, E., Ließ, M., Garcia-Franco, N., Wollschläger, U., Vogel, H.-J., & Kögel-Knabner, I.
Venue
Geoderma
Publisher
Elsevier BV
Published
2019-01
Volume
333
Pages
149-162
ISSN
0016-7061 (ISSN-L)
OpenAlex
W2883893555
Cited by
1,953
References
23
FWCI
101.93
Type
journal article
Language
en
Open access
bronze

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