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dc.contributor.author
Perillo, Vanesa Liliana
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dc.contributor.author
Ross, Donald S.
dc.contributor.author
Wemple, Beverley C.
dc.contributor.author
Balling, Courtney
dc.contributor.author
Lemieux, Liza E.
dc.date.available
2020-02-07T22:52:33Z
dc.date.issued
2019-01
dc.identifier.citation
Perillo, Vanesa Liliana; Ross, Donald S.; Wemple, Beverley C.; Balling, Courtney; Lemieux, Liza E.; Stream Corridor Soil Phosphorus Availability in a Forested-Agricultural Mixed Land Use Watershed; American Society of Agronomy; Journal of Environmental Quality; 48; 1; 1-2019; 182-192
dc.identifier.issn
0047-2425
dc.identifier.uri
http://hdl.handle.net/11336/96999
dc.description.abstract
Watershed land use affects nutrient and sediment export, particularly through streambank erosion, which can add to P export and contribute to eutrophication in downstream waterbodies. We characterized P of soils from four different land uses (32 sites) along streams in the Missisquoi River basin (Vermont, USA)-silage corn (Zea mays L.), hay meadow, emergent wetlands, and forest-and their corresponding streambanks. We measured total P (TP), pH 4.8 NH4-acetate P, degree of P saturation (DPS), and soluble P. The latter three measurements were used as predictors of potential P bioavailability. Forest soils were relatively low in TP, whereas soils in corn, hay, and wetland were elevated (>1000 mg kg−1). With the exception of forests, the TP of the corresponding streambanks of each land use was statistically significantly lower than in the interior of the land use, while still higher than those in forests, suggesting a possible influence of land use on its adjacent streambank. The pH 4.8 NH4-acetate P was low in nonagricultural land uses and all streambanks of different land uses, but higher than optimum for soils in cornfields and hayfields. The DPS averaged 36% in the cornfields, but <21% in all of the streambanks. Mean soluble P was 0.14 mg kg−1 for corn- and hay-associated streambanks with a DPS <10% but was as high as 3.2 mg kg−1 in the agricultural fields. The combination of low bioavailable P measurements indicates that most streambank soils are likely low contributors to P enrichment downstream. However, the elevated TP in some agricultural streambank soils suggests an accumulation of legacy P.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Society of Agronomy
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dc.relation
Corrección de este artículo: https://doi.org/10.2134/jeq2018.05.0186er
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
SOILS
dc.subject
PHOSPHORUS
dc.subject
STREAMBANK
dc.subject
LAND USE
dc.subject.classification
Geoquímica y Geofísica
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Stream Corridor Soil Phosphorus Availability in a Forested-Agricultural Mixed Land Use Watershed
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-01-13T14:41:29Z
dc.journal.volume
48
dc.journal.number
1
dc.journal.pagination
182-192
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Perillo, Vanesa Liliana. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina
dc.description.fil
Fil: Ross, Donald S.. University of Vermont; Estados Unidos
dc.description.fil
Fil: Wemple, Beverley C.. University of Vermont; Estados Unidos
dc.description.fil
Fil: Balling, Courtney. University of Georgia; Estados Unidos
dc.description.fil
Fil: Lemieux, Liza E.. University of Vermont; Estados Unidos
dc.journal.title
Journal of Environmental Quality
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://dl.sciencesocieties.org/publications/jeq/abstracts/48/1/185?search-result=1#
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.2134/jeq2018.05.0186
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