Nitrous oxide dynamics in an oak-beech forest ecosystem in the Netherlands
Identifieur interne : 000F23 ( Istex/Corpus ); précédent : 000F22; suivant : 000F24Nitrous oxide dynamics in an oak-beech forest ecosystem in the Netherlands
Auteurs : A. Tietema ; W. Bouten ; P. E. WartenberghSource :
- Forest Ecology and Management [ 0378-1127 ] ; 1991.
Abstract
As part of a nitrogen budget study, N2O emissions from the forest floor and N2O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N2O dynamics are presented and the factors regulating the N2O production, transport and emissions discussed. In general, N2O concentrations increased with depth, indicating production of N2O over the whole profile and a resulting N2O flux towards the forest floor. The highest N2O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N2O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N2O just above the groundwater table would not lead to a significant output of dissolved N2O in streamwater. It is suggested that the litter layer contributes significantly to the annual N2O emission rate in the forest during periods of temporally saturated conditions after intensive rain events. The estimated annual N2O emission rate in this forest amounted to 20 kg N ha−1 year−1. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N2O emission rate very questionable.
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DOI: 10.1016/0378-1127(91)90197-4
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<front><div type="abstract" xml:lang="en">As part of a nitrogen budget study, N2O emissions from the forest floor and N2O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N2O dynamics are presented and the factors regulating the N2O production, transport and emissions discussed. In general, N2O concentrations increased with depth, indicating production of N2O over the whole profile and a resulting N2O flux towards the forest floor. The highest N2O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N2O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N2O just above the groundwater table would not lead to a significant output of dissolved N2O in streamwater. It is suggested that the litter layer contributes significantly to the annual N2O emission rate in the forest during periods of temporally saturated conditions after intensive rain events. The estimated annual N2O emission rate in this forest amounted to 20 kg N ha−1 year−1. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N2O emission rate very questionable.</div>
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<abstract>As part of a nitrogen budget study, N2O emissions from the forest floor and N2O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N2O dynamics are presented and the factors regulating the N2O production, transport and emissions discussed. In general, N2O concentrations increased with depth, indicating production of N2O over the whole profile and a resulting N2O flux towards the forest floor. The highest N2O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N2O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N2O just above the groundwater table would not lead to a significant output of dissolved N2O in streamwater. It is suggested that the litter layer contributes significantly to the annual N2O emission rate in the forest during periods of temporally saturated conditions after intensive rain events. The estimated annual N2O emission rate in this forest amounted to 20 kg N ha−1 year−1. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N2O emission rate very questionable.</abstract>
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<abstract xml:lang="en"><p>As part of a nitrogen budget study, N2O emissions from the forest floor and N2O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N2O dynamics are presented and the factors regulating the N2O production, transport and emissions discussed. In general, N2O concentrations increased with depth, indicating production of N2O over the whole profile and a resulting N2O flux towards the forest floor. The highest N2O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N2O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N2O just above the groundwater table would not lead to a significant output of dissolved N2O in streamwater. It is suggested that the litter layer contributes significantly to the annual N2O emission rate in the forest during periods of temporally saturated conditions after intensive rain events. The estimated annual N2O emission rate in this forest amounted to 20 kg N ha−1 year−1. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N2O emission rate very questionable.</p>
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<ce:author><ce:given-name>W.</ce:given-name>
<ce:surname>Bouten</ce:surname>
</ce:author>
<ce:author><ce:given-name>P.E.</ce:given-name>
<ce:surname>Wartenbergh</ce:surname>
</ce:author>
<ce:affiliation><ce:textfn>Laboratory of Physical Geography and Soil Science, University of Amsterdam, Nieuwe Prinsengracht 130 1018 VZ Amsterdam, Netherlands</ce:textfn>
</ce:affiliation>
</ce:author-group>
<ce:date-accepted day="15" month="12" year="1990"></ce:date-accepted>
<ce:abstract><ce:section-title>Abstract</ce:section-title>
<ce:abstract-sec><ce:simple-para>As part of a nitrogen budget study, N<ce:inf>2</ce:inf>
O emissions from the forest floor and N<ce:inf>2</ce:inf>
O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N<ce:inf>2</ce:inf>
O dynamics are presented and the factors regulating the N<ce:inf>2</ce:inf>
O production, transport and emissions discussed.</ce:simple-para>
<ce:simple-para>In general, N<ce:inf>2</ce:inf>
O concentrations increased with depth, indicating production of N<ce:inf>2</ce:inf>
O over the whole profile and a resulting N<ce:inf>2</ce:inf>
O flux towards the forest floor. The highest N<ce:inf>2</ce:inf>
O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N<ce:inf>2</ce:inf>
O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N<ce:inf>2</ce:inf>
O just above the groundwater table would not lead to a significant output of dissolved N<ce:inf>2</ce:inf>
O in streamwater. It is suggested that the litter layer contributes significantly to the annual N<ce:inf>2</ce:inf>
O emission rate in the forest during periods of temporally saturated conditions after intensive rain events.</ce:simple-para>
<ce:simple-para>The estimated annual N<ce:inf>2</ce:inf>
O emission rate in this forest amounted to 20 kg N ha<ce:sup>−1</ce:sup>
year<ce:sup>−1</ce:sup>
. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N<ce:inf>2</ce:inf>
O emission rate very questionable.</ce:simple-para>
</ce:abstract-sec>
</ce:abstract>
</head>
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<mods version="3.6"><titleInfo><title>Nitrous oxide dynamics in an oak-beech forest ecosystem in the Netherlands</title>
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<titleInfo type="alternative" contentType="CDATA"><title>Nitrous oxide dynamics in an oak-beech forest ecosystem in the Netherlands</title>
</titleInfo>
<name type="personal"><namePart type="given">A.</namePart>
<namePart type="family">Tietema</namePart>
<affiliation>Laboratory of Physical Geography and Soil Science, University of Amsterdam, Nieuwe Prinsengracht 130 1018 VZ Amsterdam, Netherlands</affiliation>
<role><roleTerm type="text">author</roleTerm>
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<name type="personal"><namePart type="given">W.</namePart>
<namePart type="family">Bouten</namePart>
<affiliation>Laboratory of Physical Geography and Soil Science, University of Amsterdam, Nieuwe Prinsengracht 130 1018 VZ Amsterdam, Netherlands</affiliation>
<role><roleTerm type="text">author</roleTerm>
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<name type="personal"><namePart type="given">P.E.</namePart>
<namePart type="family">Wartenbergh</namePart>
<affiliation>Laboratory of Physical Geography and Soil Science, University of Amsterdam, Nieuwe Prinsengracht 130 1018 VZ Amsterdam, Netherlands</affiliation>
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<dateIssued encoding="w3cdtf">1991</dateIssued>
<copyrightDate encoding="w3cdtf">1991</copyrightDate>
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<language><languageTerm type="code" authority="iso639-2b">eng</languageTerm>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
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<abstract lang="en">As part of a nitrogen budget study, N2O emissions from the forest floor and N2O dynamics in the soil atmosphere were studied in a small catchment covered with a mixed oak-beech forest in the Netherlands. Measured N2O dynamics are presented and the factors regulating the N2O production, transport and emissions discussed. In general, N2O concentrations increased with depth, indicating production of N2O over the whole profile and a resulting N2O flux towards the forest floor. The highest N2O concentrations were measured just above the groundwater level. As soon as the groundwater table fell, N2O concentrations in the soil atmosphere decreased. Calculations revealed that peak concentrations of N2O just above the groundwater table would not lead to a significant output of dissolved N2O in streamwater. It is suggested that the litter layer contributes significantly to the annual N2O emission rate in the forest during periods of temporally saturated conditions after intensive rain events. The estimated annual N2O emission rate in this forest amounted to 20 kg N ha−1 year−1. However, the high temporal variability makes an extrapolation of weakly measurements to an annual N2O emission rate very questionable.</abstract>
<relatedItem type="host"><titleInfo><title>Forest Ecology and Management</title>
</titleInfo>
<titleInfo type="abbreviated"><title>FORECO</title>
</titleInfo>
<name type="conference"><namePart>Denitrification in Forest Ecosystems , Copenhagen</namePart>
<namePart type="date">19891105</namePart>
<namePart type="date">19891107</namePart>
</name>
<name type="personal"><namePart>Sten Struwe</namePart>
<role><roleTerm type="text">editor</roleTerm>
</role>
</name>
<name type="personal"><namePart>Annelise Kjoller</namePart>
<role><roleTerm type="text">editor</roleTerm>
</role>
</name>
<genre type="journal">journal</genre>
<originInfo><dateIssued encoding="w3cdtf">19911031</dateIssued>
</originInfo>
<identifier type="ISSN">0378-1127</identifier>
<identifier type="PII">S0378-1127(00)X0261-7</identifier>
<part><date>19911031</date>
<detail type="issue"><title>Denitrification in Forest Ecosystems , Copenhagen</title>
</detail>
<detail type="volume"><number>44</number>
<caption>vol.</caption>
</detail>
<detail type="issue"><number>1</number>
<caption>no.</caption>
</detail>
<extent unit="issue pages"><start>1</start>
<end>92</end>
</extent>
<extent unit="pages"><start>53</start>
<end>61</end>
</extent>
</part>
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<identifier type="istex">C7149DE42B19865C63CC4134163242708F7F67DB</identifier>
<identifier type="DOI">10.1016/0378-1127(91)90197-4</identifier>
<identifier type="PII">0378-1127(91)90197-4</identifier>
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