Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest
The dynamic equilibrium between soil phosphatase activities and soil organic phosphorus (Po) species can be impacted by soil forming factors. While much research has addressed soil Po dynamics as a function of time using chronosequences, understanding of lithology and bioclimate impacts on soil P cy...
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Elsevier
2025-06-01
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| author | Suwei Xu Chunhao Gu Stewart G. Wilson Rota Wagai Yuhei Nakayama Andrew J. Margenot |
| author_facet | Suwei Xu Chunhao Gu Stewart G. Wilson Rota Wagai Yuhei Nakayama Andrew J. Margenot |
| author_sort | Suwei Xu |
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| description | The dynamic equilibrium between soil phosphatase activities and soil organic phosphorus (Po) species can be impacted by soil forming factors. While much research has addressed soil Po dynamics as a function of time using chronosequences, understanding of lithology and bioclimate impacts on soil P cycling remains comparatively limited. We tested hypothesized interactive impacts of lithology and bioclimate on the quantity and quality of soil Po, and relationships between Po composition and phosphatase activities using a full factorial combination of three lithologies (andesite, basalt, granite) and four bioclimatic zones (blue oak, ponderosa pine, white fir, red fir) constrained by elevation ranges across the Sierra Nevada and southern Cascades in California, USA. Activities of acid and alkaline phosphomonoesterase (PME) and phosphodiesterase (PDE) were positively associated with concentrations of Po species determined by NaOH-EDTA extraction and solution 31P nuclear magnetic resonance (NMR) spectroscopy. Concentrations of Pi and Po species and species class (i.e., phosphomonoesters, phosphodiesters) were positively related to PME activities, whereas PDE activity was correlated to P species concentrations at species class level of phosphodiesters. Soil inositol hexakisphosphate (IHP) and most non-IHP monoesters (e.g., glucose-6′ phosphate, α- and β-glycerophosphate, phosphocholine), phosphodiesters (i.e., deoxyribonucleic acid), and inorganic phosphates (i.e., (pyro)phosphate) were 68–232 % higher in soils developed on andesite (monoester 312 mg kg−1; diester 25 mg kg−1), followed by basalt (monoester 174 mg kg−1; diester 20 mg kg−1), and lowest in granite (monoester 133 mg kg−1; diester 12 mg kg−1), reflecting greater contents of poorly crystalline Fe/Al oxides and P from intermediate parent materials. Bioclimatic impacts on concentrations and proportions of Po species were highly specific to lithology, with P species concentrations lowest at the highest elevation (red fir) for andesite- (monoester 265 mg kg−1) and basalt-derived soils (monoester 67 mg kg−1), whereas P concentrations in granite-derived soil (monoester 108–183 mg kg−1) were largely uninfluenced by bioclimate. Relationships among phosphatase activities and Po species concentrations were mainly observed in mafic material-derived soils, and were highly specific to P species at a given bioclimate. Integrating lithology and bioclimate context may enable more comprehensive assessments of soil P cycling. |
| format | Article |
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| publishDate | 2025-06-01 |
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| spelling | doaj-art-9d4e914a196248b6a5f6176c483b123c2025-08-20T02:26:27ZengElsevierGeoderma1872-62592025-06-0145811731410.1016/j.geoderma.2025.117314Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forestSuwei Xu0Chunhao Gu1Stewart G. Wilson2Rota Wagai3Yuhei Nakayama4Andrew J. Margenot5Department of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USADepartment of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, Newark, DE 19716, USADepartment of Natural Resources Management and Environmental Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USAInstitute for Agro-Environmental Sciences, National Agriculture and Food Research Organization (NARO), Tsukuba, JapanDepartment of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USADepartment of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Agroecosystem Sustainability Center (ASC), Institute for Sustainability, Energy and Environment (iSEE), University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Corresponding author.The dynamic equilibrium between soil phosphatase activities and soil organic phosphorus (Po) species can be impacted by soil forming factors. While much research has addressed soil Po dynamics as a function of time using chronosequences, understanding of lithology and bioclimate impacts on soil P cycling remains comparatively limited. We tested hypothesized interactive impacts of lithology and bioclimate on the quantity and quality of soil Po, and relationships between Po composition and phosphatase activities using a full factorial combination of three lithologies (andesite, basalt, granite) and four bioclimatic zones (blue oak, ponderosa pine, white fir, red fir) constrained by elevation ranges across the Sierra Nevada and southern Cascades in California, USA. Activities of acid and alkaline phosphomonoesterase (PME) and phosphodiesterase (PDE) were positively associated with concentrations of Po species determined by NaOH-EDTA extraction and solution 31P nuclear magnetic resonance (NMR) spectroscopy. Concentrations of Pi and Po species and species class (i.e., phosphomonoesters, phosphodiesters) were positively related to PME activities, whereas PDE activity was correlated to P species concentrations at species class level of phosphodiesters. Soil inositol hexakisphosphate (IHP) and most non-IHP monoesters (e.g., glucose-6′ phosphate, α- and β-glycerophosphate, phosphocholine), phosphodiesters (i.e., deoxyribonucleic acid), and inorganic phosphates (i.e., (pyro)phosphate) were 68–232 % higher in soils developed on andesite (monoester 312 mg kg−1; diester 25 mg kg−1), followed by basalt (monoester 174 mg kg−1; diester 20 mg kg−1), and lowest in granite (monoester 133 mg kg−1; diester 12 mg kg−1), reflecting greater contents of poorly crystalline Fe/Al oxides and P from intermediate parent materials. Bioclimatic impacts on concentrations and proportions of Po species were highly specific to lithology, with P species concentrations lowest at the highest elevation (red fir) for andesite- (monoester 265 mg kg−1) and basalt-derived soils (monoester 67 mg kg−1), whereas P concentrations in granite-derived soil (monoester 108–183 mg kg−1) were largely uninfluenced by bioclimate. Relationships among phosphatase activities and Po species concentrations were mainly observed in mafic material-derived soils, and were highly specific to P species at a given bioclimate. Integrating lithology and bioclimate context may enable more comprehensive assessments of soil P cycling.http://www.sciencedirect.com/science/article/pii/S0016706125001521Parent materialPedogenesisBioclimateSolution-state31P NMRPhosphorus speciationPhosphatase |
| spellingShingle | Suwei Xu Chunhao Gu Stewart G. Wilson Rota Wagai Yuhei Nakayama Andrew J. Margenot Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest Geoderma Parent material Pedogenesis Bioclimate Solution-state31P NMR Phosphorus speciation Phosphatase |
| title | Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest |
| title_full | Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest |
| title_fullStr | Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest |
| title_full_unstemmed | Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest |
| title_short | Lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in California temperate forest |
| title_sort | lithology and bioclimate impacts on soil organic phosphorus speciation and the relationship between phosphatase and organic phosphorus in california temperate forest |
| topic | Parent material Pedogenesis Bioclimate Solution-state31P NMR Phosphorus speciation Phosphatase |
| url | http://www.sciencedirect.com/science/article/pii/S0016706125001521 |
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