[Nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs].
Identifieur interne : 004244 ( Main/Corpus ); précédent : 004243; suivant : 004245[Nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs].
Auteurs : Shihua Fan ; Peizhi Li ; Lihua Wang ; Siming XuSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2004.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Ammonia, Nitrogen.
- metabolism : Plant Roots, Populus.
- Biomass, Seasons, Temperature.
Abstract
The nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs were studied in Shenyang of Liaoning Province. The results showed that the nitrogen content in the standing biomass of fine roots of poplar trees and herbs was 20.3 kg.hm-2, and its net accumulation was 10.0 kg.hm-2. With regard to the biological cycling of nitrogen, the annual uptake was 14.6 kg.hm-2 of which, the retention and the return was 9.6 and 5.1 kg.hm-2.yr-1 respectively, and the turnover period was 4 year. The relationship between total nitrogen in roots of poplar trees, and herbs and the available nitrogen in soil was also studied, which indicated that there were similar dynamic trends between total nitrogen in herb roots and the NH3-N in soil in growth season. The total nitrogen in fine roots of poplar trees was positively related to the biomass.
PubMed: 15227985
Links to Exploration step
pubmed:15227985Le document en format XML
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<author><name sortKey="Fan, Shihua" sort="Fan, Shihua" uniqKey="Fan S" first="Shihua" last="Fan">Shihua Fan</name>
<affiliation><nlm:affiliation>College of Science, Northwestern University, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. shfan@mail.neu.edu.cn</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Li, Peizhi" sort="Li, Peizhi" uniqKey="Li P" first="Peizhi" last="Li">Peizhi Li</name>
</author>
<author><name sortKey="Wang, Lihua" sort="Wang, Lihua" uniqKey="Wang L" first="Lihua" last="Wang">Lihua Wang</name>
</author>
<author><name sortKey="Xu, Siming" sort="Xu, Siming" uniqKey="Xu S" first="Siming" last="Xu">Siming Xu</name>
</author>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">[Nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs].</title>
<author><name sortKey="Fan, Shihua" sort="Fan, Shihua" uniqKey="Fan S" first="Shihua" last="Fan">Shihua Fan</name>
<affiliation><nlm:affiliation>College of Science, Northwestern University, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. shfan@mail.neu.edu.cn</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Li, Peizhi" sort="Li, Peizhi" uniqKey="Li P" first="Peizhi" last="Li">Peizhi Li</name>
</author>
<author><name sortKey="Wang, Lihua" sort="Wang, Lihua" uniqKey="Wang L" first="Lihua" last="Wang">Lihua Wang</name>
</author>
<author><name sortKey="Xu, Siming" sort="Xu, Siming" uniqKey="Xu S" first="Siming" last="Xu">Siming Xu</name>
</author>
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<series><title level="j">Ying yong sheng tai xue bao = The journal of applied ecology</title>
<idno type="ISSN">1001-9332</idno>
<imprint><date when="2004" type="published">2004</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonia (metabolism)</term>
<term>Biomass (MeSH)</term>
<term>Nitrogen (metabolism)</term>
<term>Plant Roots (metabolism)</term>
<term>Populus (metabolism)</term>
<term>Seasons (MeSH)</term>
<term>Temperature (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Ammonia</term>
<term>Nitrogen</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Roots</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
<term>Seasons</term>
<term>Temperature</term>
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<front><div type="abstract" xml:lang="en">The nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs were studied in Shenyang of Liaoning Province. The results showed that the nitrogen content in the standing biomass of fine roots of poplar trees and herbs was 20.3 kg.hm-2, and its net accumulation was 10.0 kg.hm-2. With regard to the biological cycling of nitrogen, the annual uptake was 14.6 kg.hm-2 of which, the retention and the return was 9.6 and 5.1 kg.hm-2.yr-1 respectively, and the turnover period was 4 year. The relationship between total nitrogen in roots of poplar trees, and herbs and the available nitrogen in soil was also studied, which indicated that there were similar dynamic trends between total nitrogen in herb roots and the NH3-N in soil in growth season. The total nitrogen in fine roots of poplar trees was positively related to the biomass.</div>
</front>
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<DateCompleted><Year>2004</Year>
<Month>07</Month>
<Day>13</Day>
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<DateRevised><Year>2016</Year>
<Month>10</Month>
<Day>18</Day>
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<Article PubModel="Print"><Journal><ISSN IssnType="Print">1001-9332</ISSN>
<JournalIssue CitedMedium="Print"><Volume>15</Volume>
<Issue>3</Issue>
<PubDate><Year>2004</Year>
<Month>Mar</Month>
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<Title>Ying yong sheng tai xue bao = The journal of applied ecology</Title>
<ISOAbbreviation>Ying Yong Sheng Tai Xue Bao</ISOAbbreviation>
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<ArticleTitle>[Nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs].</ArticleTitle>
<Pagination><MedlinePgn>387-90</MedlinePgn>
</Pagination>
<Abstract><AbstractText>The nitrogen cycling and its dynamic feature in fine roots of poplar trees and herbs were studied in Shenyang of Liaoning Province. The results showed that the nitrogen content in the standing biomass of fine roots of poplar trees and herbs was 20.3 kg.hm-2, and its net accumulation was 10.0 kg.hm-2. With regard to the biological cycling of nitrogen, the annual uptake was 14.6 kg.hm-2 of which, the retention and the return was 9.6 and 5.1 kg.hm-2.yr-1 respectively, and the turnover period was 4 year. The relationship between total nitrogen in roots of poplar trees, and herbs and the available nitrogen in soil was also studied, which indicated that there were similar dynamic trends between total nitrogen in herb roots and the NH3-N in soil in growth season. The total nitrogen in fine roots of poplar trees was positively related to the biomass.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fan</LastName>
<ForeName>Shihua</ForeName>
<Initials>S</Initials>
<AffiliationInfo><Affiliation>College of Science, Northwestern University, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. shfan@mail.neu.edu.cn</Affiliation>
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<Author ValidYN="Y"><LastName>Wang</LastName>
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<MedlineJournalInfo><Country>China</Country>
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<MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
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<MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName>
</MeshHeading>
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