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Título:	Connectivity and pore accessibility in models of soil carbon cycling
Autor:	Baveye, P.; Balseiro-Romero, M.; Pot, Valérie; Ortega Calvo, J. J. CSIC ORCID
Fecha de publicación:	17-ago-2021
Editor:	John Wiley & Sons
Citación:	Global Change Biology 2021 https://doi.org/10.1111/gcb.15849
Resumen:	In an article published recently, Waring et al. (2020) introduced a conceptual framework, named PROMISE, to explore controls on belowground carbon cycling. This “fundamentally novel approach to measuring and modeling critical carbon cycle processes” represents soil pore space as an array of possible particle locations belonging to one of three pore size classes. Several aspects of this conceptual framework raise questions about its adequacy to describe the fate of carbon in heterogeneous soils. More than a decade ago already, Kuka et al. (2007) advocated the significance of the size of pores when modeling carbon turnover in soils and proposed a model, called CIPS (“Carbon Turnover in Pore Space”), which is not mentioned by Waring et al. (2020) even though in several respects, CIPS is very similar to PROMISE, and shares the same aims and approach. In CIPS, pores are also divided into three classes according to their size. Like PROMISE, CIPS does not assume any spatial arrangement, distance, or differences in connectivity among the three classes of pores.
Descripción:	2 páginas.- 6 referencias.- Free Accessr.- This is a letter to Waring et al., https://doi.org/10.1111/gcb.15850
Versión del editor:	http://dx.doi.org/10.1111/gcb.15849
URI:	http://hdl.handle.net/10261/249239
DOI:	10.1111/gcb.15849
ISSN:	1354-1013
Aparece en las colecciones:	(IRNAS) Artículos