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Denitrification and N2O emission from forested and cultivated alluvial clay soil.

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Denitrification and N2O emission from forested and cultivated alluvial clay soil. / Ullah, Sami; Breitenbeck, G. A.; Faulkner, Stephen P.
In: Biogeochemistry, Vol. 73, No. 3, 04.2005, p. 499-513.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ullah, S, Breitenbeck, GA & Faulkner, SP 2005, 'Denitrification and N2O emission from forested and cultivated alluvial clay soil.', Biogeochemistry, vol. 73, no. 3, pp. 499-513. https://doi.org/10.1007/s10533-004-1565-0

APA

Ullah, S., Breitenbeck, G. A., & Faulkner, S. P. (2005). Denitrification and N2O emission from forested and cultivated alluvial clay soil. Biogeochemistry, 73(3), 499-513. https://doi.org/10.1007/s10533-004-1565-0

Vancouver

Ullah S, Breitenbeck GA, Faulkner SP. Denitrification and N2O emission from forested and cultivated alluvial clay soil. Biogeochemistry. 2005 Apr;73(3):499-513. doi: 10.1007/s10533-004-1565-0

Author

Ullah, Sami ; Breitenbeck, G. A. ; Faulkner, Stephen P. / Denitrification and N2O emission from forested and cultivated alluvial clay soil. In: Biogeochemistry. 2005 ; Vol. 73, No. 3. pp. 499-513.

Bibtex

@article{4dbce75d5638443a87d02223e08ea4d8,
title = "Denitrification and N2O emission from forested and cultivated alluvial clay soil.",
abstract = "Restored forested wetlands reduce N loads in surface discharge through plant uptake and denitrification. While removal of reactive N reduces impact on receiving waters, it is unclear whether enhanced denitrification also enhances emissions of the greenhouse gas N2O, thus compromising the water-quality benefits of restoration. This study compares denitrification rates and N2O:N2 emission ratios from Sharkey clay soil in a mature bottomland forest to those from an adjacent cultivated site in the Lower Mississippi Alluvial Valley. Potential denitrification of forested soil was 2.4 times of cultivated soil. Using intact soil cores, denitrification rates of forested soil were 5.2, 6.6 and 2.0 times those of cultivated soil at 70, 85 and 100% water-filled pore space (WFPS), respectively. When NO3 was added, N2O emissions from forested soil were 2.2 times those of cultivated soil at 70% WFPS. At 85 and 100% WFPS, N2O emissions were not significantly different despite much greater denitrification rates in the forested soil because N2O:N2 emission ratios declined more rapidly in forested soil as WFPS increased. These findings suggest that restoration of forested wetlands to reduce NO3 in surface discharge will not contribute significantly to the atmospheric burden of N2O.",
keywords = "Bottomland hardwood - Denitrification - Global climate change - Greenhouse gas - Nitrous Oxide - Sharkey soil - Wetland restoration",
author = "Sami Ullah and Breitenbeck, {G. A.} and Faulkner, {Stephen P.}",
note = "The original publication is available at www.springerlink.com",
year = "2005",
month = apr,
doi = "10.1007/s10533-004-1565-0",
language = "English",
volume = "73",
pages = "499--513",
journal = "Biogeochemistry",
issn = "0168-2563",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Denitrification and N2O emission from forested and cultivated alluvial clay soil.

AU - Ullah, Sami

AU - Breitenbeck, G. A.

AU - Faulkner, Stephen P.

N1 - The original publication is available at www.springerlink.com

PY - 2005/4

Y1 - 2005/4

N2 - Restored forested wetlands reduce N loads in surface discharge through plant uptake and denitrification. While removal of reactive N reduces impact on receiving waters, it is unclear whether enhanced denitrification also enhances emissions of the greenhouse gas N2O, thus compromising the water-quality benefits of restoration. This study compares denitrification rates and N2O:N2 emission ratios from Sharkey clay soil in a mature bottomland forest to those from an adjacent cultivated site in the Lower Mississippi Alluvial Valley. Potential denitrification of forested soil was 2.4 times of cultivated soil. Using intact soil cores, denitrification rates of forested soil were 5.2, 6.6 and 2.0 times those of cultivated soil at 70, 85 and 100% water-filled pore space (WFPS), respectively. When NO3 was added, N2O emissions from forested soil were 2.2 times those of cultivated soil at 70% WFPS. At 85 and 100% WFPS, N2O emissions were not significantly different despite much greater denitrification rates in the forested soil because N2O:N2 emission ratios declined more rapidly in forested soil as WFPS increased. These findings suggest that restoration of forested wetlands to reduce NO3 in surface discharge will not contribute significantly to the atmospheric burden of N2O.

AB - Restored forested wetlands reduce N loads in surface discharge through plant uptake and denitrification. While removal of reactive N reduces impact on receiving waters, it is unclear whether enhanced denitrification also enhances emissions of the greenhouse gas N2O, thus compromising the water-quality benefits of restoration. This study compares denitrification rates and N2O:N2 emission ratios from Sharkey clay soil in a mature bottomland forest to those from an adjacent cultivated site in the Lower Mississippi Alluvial Valley. Potential denitrification of forested soil was 2.4 times of cultivated soil. Using intact soil cores, denitrification rates of forested soil were 5.2, 6.6 and 2.0 times those of cultivated soil at 70, 85 and 100% water-filled pore space (WFPS), respectively. When NO3 was added, N2O emissions from forested soil were 2.2 times those of cultivated soil at 70% WFPS. At 85 and 100% WFPS, N2O emissions were not significantly different despite much greater denitrification rates in the forested soil because N2O:N2 emission ratios declined more rapidly in forested soil as WFPS increased. These findings suggest that restoration of forested wetlands to reduce NO3 in surface discharge will not contribute significantly to the atmospheric burden of N2O.

KW - Bottomland hardwood - Denitrification - Global climate change - Greenhouse gas - Nitrous Oxide - Sharkey soil - Wetland restoration

U2 - 10.1007/s10533-004-1565-0

DO - 10.1007/s10533-004-1565-0

M3 - Journal article

VL - 73

SP - 499

EP - 513

JO - Biogeochemistry

JF - Biogeochemistry

SN - 0168-2563

IS - 3

ER -