Association between soil organic carbon and calcium in acidic grassland soils from Point Reyes National Seashore, CA.
Acidic grassland soils
Complexation
Micro-XANES
Organo-metal interactions
STXM C NEXAFS
Soil organic carbon
Journal
Biogeochemistry
ISSN: 0168-2563
Titre abrégé: Biogeochemistry
Pays: Netherlands
ID NLM: 9880568
Informations de publication
Date de publication:
2023
2023
Historique:
received:
09
01
2023
accepted:
14
06
2023
medline:
28
8
2023
pubmed:
28
8
2023
entrez:
28
8
2023
Statut:
ppublish
Résumé
Organo-mineral and organo-metal associations play an important role in the retention and accumulation of soil organic carbon (SOC). Recent studies have demonstrated a positive correlation between calcium (Ca) and SOC content in a range of soil types. However, most of these studies have focused on soils that contain calcium carbonate (pH > 6). To assess the importance of Ca-SOC associations in lower pH soils, we investigated their physical and chemical interaction in the grassland soils of Point Reyes National Seashore (CA, USA) at a range of spatial scales. Multivariate analyses of our bulk soil characterisation dataset showed a strong correlation between exchangeable Ca (Ca The online version contains supplementary material available at 10.1007/s10533-023-01059-2.
Identifiants
pubmed: 37637456
doi: 10.1007/s10533-023-01059-2
pii: 1059
pmc: PMC10457245
doi:
Types de publication
Journal Article
Langues
eng
Pagination
91-111Informations de copyright
© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2023.
Déclaration de conflit d'intérêts
Conflict of interestThe authors have no relevant financial or non-financial interests to disclose.
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