Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff
Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and...
Ausführliche Beschreibung
Autor*in: |
Ullah, Sami [verfasserIn] Zinati, Gladis M. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2006 |
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Übergeordnetes Werk: |
Enthalten in: Biogeochemistry - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984, 81(2006), 3 vom: 05. Sept., Seite 253-267 |
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Übergeordnetes Werk: |
volume:81 ; year:2006 ; number:3 ; day:05 ; month:09 ; pages:253-267 |
Links: |
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DOI / URN: |
10.1007/s10533-006-9040-8 |
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Katalog-ID: |
SPR010945148 |
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100 | 1 | |a Ullah, Sami |e verfasserin |4 aut | |
245 | 1 | 0 | |a Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
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520 | |a Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. | ||
650 | 4 | |a Chronic nitrogen loading |7 (dpeaa)DE-He213 | |
650 | 4 | |a Denitrification |7 (dpeaa)DE-He213 | |
650 | 4 | |a Nitrous oxide emissions |7 (dpeaa)DE-He213 | |
650 | 4 | |a Nitrogen saturation |7 (dpeaa)DE-He213 | |
650 | 4 | |a Nursery runoff |7 (dpeaa)DE-He213 | |
650 | 4 | |a Riparian wetlands |7 (dpeaa)DE-He213 | |
650 | 4 | |a Phosphorus loading |7 (dpeaa)DE-He213 | |
650 | 4 | |a Water quality |7 (dpeaa)DE-He213 | |
700 | 1 | |a Zinati, Gladis M. |e verfasserin |4 aut | |
773 | 0 | 8 | |i Enthalten in |t Biogeochemistry |d Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 |g 81(2006), 3 vom: 05. Sept., Seite 253-267 |w (DE-627)270935096 |w (DE-600)1478541-9 |x 1573-515X |7 nnns |
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35.70 38.32 |
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2006 |
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10.1007/s10533-006-9040-8 doi (DE-627)SPR010945148 (SPR)s10533-006-9040-8-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Ullah, Sami verfasserin aut Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 Zinati, Gladis M. verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 81(2006), 3 vom: 05. Sept., Seite 253-267 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:81 year:2006 number:3 day:05 month:09 pages:253-267 https://dx.doi.org/10.1007/s10533-006-9040-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 81 2006 3 05 09 253-267 |
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10.1007/s10533-006-9040-8 doi (DE-627)SPR010945148 (SPR)s10533-006-9040-8-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Ullah, Sami verfasserin aut Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 Zinati, Gladis M. verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 81(2006), 3 vom: 05. Sept., Seite 253-267 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:81 year:2006 number:3 day:05 month:09 pages:253-267 https://dx.doi.org/10.1007/s10533-006-9040-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 81 2006 3 05 09 253-267 |
allfields_unstemmed |
10.1007/s10533-006-9040-8 doi (DE-627)SPR010945148 (SPR)s10533-006-9040-8-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Ullah, Sami verfasserin aut Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 Zinati, Gladis M. verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 81(2006), 3 vom: 05. Sept., Seite 253-267 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:81 year:2006 number:3 day:05 month:09 pages:253-267 https://dx.doi.org/10.1007/s10533-006-9040-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 81 2006 3 05 09 253-267 |
allfieldsGer |
10.1007/s10533-006-9040-8 doi (DE-627)SPR010945148 (SPR)s10533-006-9040-8-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Ullah, Sami verfasserin aut Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 Zinati, Gladis M. verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 81(2006), 3 vom: 05. Sept., Seite 253-267 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:81 year:2006 number:3 day:05 month:09 pages:253-267 https://dx.doi.org/10.1007/s10533-006-9040-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 81 2006 3 05 09 253-267 |
allfieldsSound |
10.1007/s10533-006-9040-8 doi (DE-627)SPR010945148 (SPR)s10533-006-9040-8-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Ullah, Sami verfasserin aut Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 Zinati, Gladis M. verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 81(2006), 3 vom: 05. Sept., Seite 253-267 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:81 year:2006 number:3 day:05 month:09 pages:253-267 https://dx.doi.org/10.1007/s10533-006-9040-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 81 2006 3 05 09 253-267 |
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Enthalten in Biogeochemistry 81(2006), 3 vom: 05. Sept., Seite 253-267 volume:81 year:2006 number:3 day:05 month:09 pages:253-267 |
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Enthalten in Biogeochemistry 81(2006), 3 vom: 05. Sept., Seite 253-267 volume:81 year:2006 number:3 day:05 month:09 pages:253-267 |
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findex.gbv.de |
topic_facet |
Chronic nitrogen loading Denitrification Nitrous oxide emissions Nitrogen saturation Nursery runoff Riparian wetlands Phosphorus loading Water quality |
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Biogeochemistry |
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Ullah, Sami @@aut@@ Zinati, Gladis M. @@aut@@ |
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It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. 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author |
Ullah, Sami |
spellingShingle |
Ullah, Sami ddc 540 bkl 35.70 bkl 38.32 misc Chronic nitrogen loading misc Denitrification misc Nitrous oxide emissions misc Nitrogen saturation misc Nursery runoff misc Riparian wetlands misc Phosphorus loading misc Water quality Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
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540 550 ASE 35.70 bkl 38.32 bkl Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff Chronic nitrogen loading (dpeaa)DE-He213 Denitrification (dpeaa)DE-He213 Nitrous oxide emissions (dpeaa)DE-He213 Nitrogen saturation (dpeaa)DE-He213 Nursery runoff (dpeaa)DE-He213 Riparian wetlands (dpeaa)DE-He213 Phosphorus loading (dpeaa)DE-He213 Water quality (dpeaa)DE-He213 |
topic |
ddc 540 bkl 35.70 bkl 38.32 misc Chronic nitrogen loading misc Denitrification misc Nitrous oxide emissions misc Nitrogen saturation misc Nursery runoff misc Riparian wetlands misc Phosphorus loading misc Water quality |
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ddc 540 bkl 35.70 bkl 38.32 misc Chronic nitrogen loading misc Denitrification misc Nitrous oxide emissions misc Nitrogen saturation misc Nursery runoff misc Riparian wetlands misc Phosphorus loading misc Water quality |
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ddc 540 bkl 35.70 bkl 38.32 misc Chronic nitrogen loading misc Denitrification misc Nitrous oxide emissions misc Nitrogen saturation misc Nursery runoff misc Riparian wetlands misc Phosphorus loading misc Water quality |
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Biogeochemistry |
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title |
Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
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(DE-627)SPR010945148 (SPR)s10533-006-9040-8-e |
title_full |
Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
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Ullah, Sami |
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Biogeochemistry |
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Biogeochemistry |
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2006 |
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Ullah, Sami Zinati, Gladis M. |
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81 |
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540 550 ASE 35.70 bkl 38.32 bkl |
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Ullah, Sami |
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10.1007/s10533-006-9040-8 |
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540 550 |
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denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
title_auth |
Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
abstract |
Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. |
abstractGer |
Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. |
abstract_unstemmed |
Abstract Compared to upland forests, riparian forest soils have greater potential to remove nitrate ($ NO_{3} $) from agricultural runoff through denitrification. It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. Compared to the non-amended treatment, denitrification rate increased 2.7- and 3.4-fold when soil cores collected from both N-exposed and non-exposed sites were amended with 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil, respectively. Net $ N_{2} $O emissions were 1.5 and 1.7 times higher from the N-exposed sites compared to the non-exposed sites at 30 and 60 µg $ NO_{3} $-N $ g^{−1} $ soil amendment rates, respectively. Similarly, denitrification potential increased 17 times in response to addition of 15 µg $ NO_{3} $-N $ g^{−1} $ in soil slurries. The addition of $ PO_{4} $ (5 µg $ PO_{4} $-P $ g^{−1} $) to soil slurries and intact cores did not affect denitrification rates. These observations suggest that prolonged N loading did not affect the denitrification potential of the riparian forest soils; however, it did result in higher $ N_{2} $O emissions compared to emission rates from non-exposed forest soils. |
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title_short |
Denitrification and nitrous oxide emissions from riparian forests soils exposed to prolonged nitrogen runoff |
url |
https://dx.doi.org/10.1007/s10533-006-9040-8 |
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Zinati, Gladis M. |
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up_date |
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It is unclear, however, whether prolonged exposure of riparian soils to nitrogen (N) loading will affect the rate of denitrification and its end products. This research assesses the rate of denitrification and nitrous oxide ($ N_{2} $O) emissions from riparian forest soils exposed to prolonged nutrient runoff from plant nurseries and compares these to similar forest soils not exposed to nutrient runoff. Nursery runoff also contains high levels of phosphate ($ PO_{4} $). Since there are conflicting reports on the impact of $ PO_{4} $ on the activity of denitrifying microbes, the impact of $ PO_{4} $ on such activity was also investigated. Bulk and intact soil cores were collected from N-exposed and non-exposed forests to determine denitrification and $ N_{2} $O emission rates, whereas denitrification potential was determined using soil slurries. 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score |
7.3980913 |