Chapter 3 - Distinctive Dryland Soil Carbon Transformations

Steiner, Jean L., Brandani, Carolina B., Chappell, Adrian ORCID: https://orcid.org/0000-0002-0694-7348, Castaño-Sanchez, Jose, Hoellrich, Mikaela, McIntosh, Matthew M., Nyamuryekung'e, Shelemia, Pietrasiak, Nicole, Rotz, Alan and Webb, Nicholas P. 2023. Chapter 3 - Distinctive Dryland Soil Carbon Transformations. Lal, Rattan, ed. Soil and Drought - Basic Processes, Advances in Soil Sciences, Boca Raton, FL: CRC Press, pp. 39-82. (10.1201/b22954)

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Abstract

This chapter focuses on soil carbon dynamics, the soil carbon is inextricably linked with the ecosystem carbon dynamics which differ in significant ways in arid rangelands compared to more humid regions. The objectives of the chapter are to provide insight into carbon dynamics in semiarid to arid rangelands, highlight contrasts between key processes in dryland compared to more humid regions, and identify management practices to adapt to and sustain the natural resource base in rangeland systems. Despite mounting evidence that biocrusts are critical for maintaining environmental stability of arid rangelands, local and regional estimates of their contribution to rangeland carbon stocks and fluxes are sparse and have large uncertainties. Soil aggregation is also driven by biological mechanisms and dryland plants and microbes can indirectly contribute to carbon cycling due to their essential role in soil aggregate stability.

Item Type:	Book Section
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	CRC Press
ISBN:	9781032286747
Last Modified:	23 Jan 2024 14:15
URI:	https://orca.cardiff.ac.uk/id/eprint/165193

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