Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands
Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetl...
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| Autor*in: |
Aldous, Allison [verfasserIn] McCormick, Paul [verfasserIn] Ferguson, Chad [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK; Malden, USA: Blackwell Science Inc ; 2005 |
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Online-Ressource |
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| Reproduktion: |
2005 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Restoration ecology - Oxford [u.a.] : Wiley-Blackwell, 1993, 13(2005), 2, Seite 0 |
| Übergeordnetes Werk: |
volume:13 ; year:2005 ; number:2 ; pages:0 |
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| DOI / URN: |
10.1111/j.1526-100X.2005.00043.x |
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| 520 | |a Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. | ||
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10.1111/j.1526-100X.2005.00043.x doi (DE-627)NLEJ24374580X DE-627 ger DE-627 rakwb Aldous, Allison verfasserin aut Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands Oxford, UK; Malden, USA Blackwell Science Inc 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| hydrologic regime McCormick, Paul verfasserin aut Ferguson, Chad verfasserin aut Graham, Sean oth Craft, Chris oth In Restoration ecology Oxford [u.a.] : Wiley-Blackwell, 1993 13(2005), 2, Seite 0 Online-Ressource (DE-627)NLEJ243925964 (DE-600)2020952-6 1526-100X nnns volume:13 year:2005 number:2 pages:0 http://dx.doi.org/10.1111/j.1526-100X.2005.00043.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 13 2005 2 0 |
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10.1111/j.1526-100X.2005.00043.x doi (DE-627)NLEJ24374580X DE-627 ger DE-627 rakwb Aldous, Allison verfasserin aut Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands Oxford, UK; Malden, USA Blackwell Science Inc 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| hydrologic regime McCormick, Paul verfasserin aut Ferguson, Chad verfasserin aut Graham, Sean oth Craft, Chris oth In Restoration ecology Oxford [u.a.] : Wiley-Blackwell, 1993 13(2005), 2, Seite 0 Online-Ressource (DE-627)NLEJ243925964 (DE-600)2020952-6 1526-100X nnns volume:13 year:2005 number:2 pages:0 http://dx.doi.org/10.1111/j.1526-100X.2005.00043.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 13 2005 2 0 |
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10.1111/j.1526-100X.2005.00043.x doi (DE-627)NLEJ24374580X DE-627 ger DE-627 rakwb Aldous, Allison verfasserin aut Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands Oxford, UK; Malden, USA Blackwell Science Inc 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| hydrologic regime McCormick, Paul verfasserin aut Ferguson, Chad verfasserin aut Graham, Sean oth Craft, Chris oth In Restoration ecology Oxford [u.a.] : Wiley-Blackwell, 1993 13(2005), 2, Seite 0 Online-Ressource (DE-627)NLEJ243925964 (DE-600)2020952-6 1526-100X nnns volume:13 year:2005 number:2 pages:0 http://dx.doi.org/10.1111/j.1526-100X.2005.00043.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 13 2005 2 0 |
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10.1111/j.1526-100X.2005.00043.x doi (DE-627)NLEJ24374580X DE-627 ger DE-627 rakwb Aldous, Allison verfasserin aut Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands Oxford, UK; Malden, USA Blackwell Science Inc 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| hydrologic regime McCormick, Paul verfasserin aut Ferguson, Chad verfasserin aut Graham, Sean oth Craft, Chris oth In Restoration ecology Oxford [u.a.] : Wiley-Blackwell, 1993 13(2005), 2, Seite 0 Online-Ressource (DE-627)NLEJ243925964 (DE-600)2020952-6 1526-100X nnns volume:13 year:2005 number:2 pages:0 http://dx.doi.org/10.1111/j.1526-100X.2005.00043.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 13 2005 2 0 |
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10.1111/j.1526-100X.2005.00043.x doi (DE-627)NLEJ24374580X DE-627 ger DE-627 rakwb Aldous, Allison verfasserin aut Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands Oxford, UK; Malden, USA Blackwell Science Inc 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| hydrologic regime McCormick, Paul verfasserin aut Ferguson, Chad verfasserin aut Graham, Sean oth Craft, Chris oth In Restoration ecology Oxford [u.a.] : Wiley-Blackwell, 1993 13(2005), 2, Seite 0 Online-Ressource (DE-627)NLEJ243925964 (DE-600)2020952-6 1526-100X nnns volume:13 year:2005 number:2 pages:0 http://dx.doi.org/10.1111/j.1526-100X.2005.00043.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 13 2005 2 0 |
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Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands |
| abstract |
Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. |
| abstractGer |
Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. |
| abstract_unstemmed |
Many wetland restoration projects occur on former agricultural soils that have a history of disturbance and fertilization, making them prone to phosphorus (P) release upon flooding. To study the relationship between P release and hydrologic regime, we collected soil cores from three restoration wetlands and three undisturbed wetlands around Upper Klamath Lake in southern Oregon, U.S.A. Soil cores were subjected to one of three hydrologic regimes—flooded, moist, and dry—for 7.5 weeks, and P fluxes were measured upon reflooding. Soils from restoration wetlands released P upon reflooding regardless of the hydrologic regime, with the greatest releases coming from soils that had been flooded or dried. Undisturbed wetland soils released P only after drying. Patterns in P release can be explained by a combination of physical and biological processes, including the release of iron-bound P due to anoxia in the flooded treatment and the mineralization of organic P under aerobic conditions in the dry treatment. Higher rates of soil P release from restoration wetland soils, particularly under flooded conditions, were associated with higher total P concentrations compared with undisturbed wetland soils. We conclude that maintaining moist soil is the means to minimize P release from recently flooded wetland soils. Alternatively, prolonged flooding provides a means of liberating excess labile P from former agricultural soils while minimizing continued organic P mineralization and soil subsidence. |
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Hydrologic Regime Controls Soil Phosphorus Fluxes in Restoration and Undisturbed Wetlands |
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McCormick, Paul Ferguson, Chad Graham, Sean Craft, Chris |
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