Response of isoprene emission from poplar saplings to ozone pollution and nitrogen deposition depends on leaf position along the vertical canopy profile.
Identifieur interne : 000150 ( Main/Exploration ); précédent : 000149; suivant : 000151Response of isoprene emission from poplar saplings to ozone pollution and nitrogen deposition depends on leaf position along the vertical canopy profile.
Auteurs : Xiangyang Yuan [République populaire de Chine] ; Shuangjiang Li [République populaire de Chine] ; Zhaozhong Feng [République populaire de Chine] ; Yansen Xu [République populaire de Chine] ; Bo Shang [République populaire de Chine] ; Silvano Fares [Italie] ; Elena Paoletti [Italie]Source :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Butadienes, Hemiterpenes, Nitrogen, Ozone.
- Photosynthesis, Plant Leaves, Populus.
Abstract
We investigated isoprene (ISO) emission and gas exchange in leaves from different positions along the vertical canopy profile of poplar saplings (Populus euramericana cv. '74/76'). For a growing season, plants were subjected to four N treatments, control (NC, no N addition), low N (LN, 50 kg N ha-1year-1), middle N (MN, 100 kg N ha-1year-1), high N (HN, 200 kg N ha-1year-1) and three O3 treatments (CF, charcoal-filtered ambient air; NF, non-filtered ambient air; NF + O3, NF + 40 ppb O3). Our results showed the effects of O3 and/or N on standardized ISO rate (ISOrate) and photosynthetic parameters differed along with the leaf position, with larger negative effects of O3 and positive effects of N on ISOrate and photosynthetic parameters in the older leaves. Expanded young leaves were insensitive to both treatments even at very high O3 concentration (67 ppb as 10-h average) and HN treatment. Significant O3 × N interactions were only found in middle and lower leaves, where ISOrate declined by O3 just when N was limited (NC and LN). With increasing light-saturated photosynthesis and chlorophyll content, ISOrate was reduced in the upper leaves but on the contrary increased in middle and lower leaves. The responses of ISOrate to AOT40 (accumulated exposure to hourly O3 concentrations > 40 ppb) and PODY (accumulative stomatal uptake of O3 > Y nmol O3 m-2 PLA s-1) were not significant in upper leaves, but ISOrate significantly decreased with increasing AOT40 or PODY under limited N supply in middle leaves but at all N levels in lower leaves. Overall, ISOrate changed along the vertical canopy profile in response to combined O3 and N exposure, a behavior that should be incorporated into multi-layer canopy models. Our results are relevant for modelling regional isoprene emissions under current and future O3 pollution and N deposition scenarios.
DOI: 10.1016/j.envpol.2020.114909
PubMed: 32540567
Affiliations:
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National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing, 101408, China. Electronic address: zhaozhong.feng@nuist.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Applied Meteorology, Nanjing University of Information Science & Technology, 219 Ningliu Road, Nanjing, 210044, China; National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing, 101408</wicri:regionArea><wicri:noRegion>101408</wicri:noRegion></affiliation></author><author><name sortKey="Xu, Yansen" sort="Xu, Yansen" uniqKey="Xu Y" first="Yansen" last="Xu">Yansen Xu</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085</wicri:regionArea><wicri:noRegion>100085</wicri:noRegion></affiliation></author><author><name sortKey="Shang, Bo" sort="Shang, Bo" uniqKey="Shang B" first="Bo" last="Shang">Bo Shang</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085</wicri:regionArea><wicri:noRegion>100085</wicri:noRegion></affiliation></author><author><name sortKey="Fares, Silvano" sort="Fares, Silvano" uniqKey="Fares S" first="Silvano" last="Fares">Silvano Fares</name><affiliation wicri:level="3"><nlm:affiliation>Council for Agricultural Research and Economics (CREA) - Research Centre for Forestry and Wood, Via Valle della Quistione 27, 00166, Rome, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Council for Agricultural Research and Economics (CREA) - Research Centre for Forestry and Wood, Via Valle della Quistione 27, 00166, Rome</wicri:regionArea><placeName><settlement type="city">Rome</settlement><region nuts="2">Latium</region></placeName></affiliation></author><author><name sortKey="Paoletti, Elena" sort="Paoletti, Elena" uniqKey="Paoletti E" first="Elena" last="Paoletti">Elena Paoletti</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China; Institute of Research on Terrestrial Ecosystems, National Research Council, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China; Institute of Research on Terrestrial Ecosystems, National Research Council, via Madonna del Piano 10, 50019 Sesto Fiorentino</wicri:regionArea><wicri:noRegion>50019 Sesto Fiorentino</wicri:noRegion></affiliation></author></analytic><series><title level="j">Environmental pollution (Barking, Essex : 1987)</title><idno type="eISSN">1873-6424</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Butadienes (MeSH)</term><term>Hemiterpenes (MeSH)</term><term>Nitrogen (MeSH)</term><term>Ozone (MeSH)</term><term>Photosynthesis (MeSH)</term><term>Plant Leaves (MeSH)</term><term>Populus (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Azote (MeSH)</term><term>Butadiènes (MeSH)</term><term>Feuilles de plante (MeSH)</term><term>Hémiterpènes (MeSH)</term><term>Ozone (MeSH)</term><term>Photosynthèse (MeSH)</term><term>Populus (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Butadienes</term><term>Hemiterpenes</term><term>Nitrogen</term><term>Ozone</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Photosynthesis</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Azote</term><term>Butadiènes</term><term>Feuilles de plante</term><term>Hémiterpènes</term><term>Ozone</term><term>Photosynthèse</term><term>Populus</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated isoprene (ISO) emission and gas exchange in leaves from different positions along the vertical canopy profile of poplar saplings (Populus euramericana cv. '74/76'). For a growing season, plants were subjected to four N treatments, control (NC, no N addition), low N (LN, 50 kg N ha<sup>-1</sup>year<sup>-1</sup>), middle N (MN, 100 kg N ha<sup>-1</sup>year<sup>-1</sup>), high N (HN, 200 kg N ha<sup>-1</sup>year<sup>-1</sup>) and three O<sub>3</sub> treatments (CF, charcoal-filtered ambient air; NF, non-filtered ambient air; NF + O<sub>3</sub>, NF + 40 ppb O<sub>3</sub>). Our results showed the effects of O<sub>3</sub> and/or N on standardized ISO rate (ISO<sub>rate</sub>) and photosynthetic parameters differed along with the leaf position, with larger negative effects of O<sub>3</sub> and positive effects of N on ISO<sub>rate</sub> and photosynthetic parameters in the older leaves. Expanded young leaves were insensitive to both treatments even at very high O<sub>3</sub> concentration (67 ppb as 10-h average) and HN treatment. Significant O<sub>3</sub> × N interactions were only found in middle and lower leaves, where ISO<sub>rate</sub> declined by O<sub>3</sub> just when N was limited (NC and LN). With increasing light-saturated photosynthesis and chlorophyll content, ISO<sub>rate</sub> was reduced in the upper leaves but on the contrary increased in middle and lower leaves. The responses of ISO<sub>rate</sub> to AOT40 (accumulated exposure to hourly O<sub>3</sub> concentrations > 40 ppb) and POD<sub>Y</sub> (accumulative stomatal uptake of O<sub>3</sub> > Y nmol O<sub>3</sub> m<sup>-2</sup> PLA s<sup>-1</sup>) were not significant in upper leaves, but ISO<sub>rate</sub> significantly decreased with increasing AOT40 or POD<sub>Y</sub> under limited N supply in middle leaves but at all N levels in lower leaves. Overall, ISO<sub>rate</sub> changed along the vertical canopy profile in response to combined O<sub>3</sub> and N exposure, a behavior that should be incorporated into multi-layer canopy models. Our results are relevant for modelling regional isoprene emissions under current and future O<sub>3</sub> pollution and N deposition scenarios.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32540567</PMID><DateCompleted><Year>2020</Year><Month>08</Month><Day>17</Day></DateCompleted><DateRevised><Year>2020</Year><Month>08</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>265</Volume><Issue>Pt A</Issue><PubDate><Year>2020</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Response of isoprene emission from poplar saplings to ozone pollution and nitrogen deposition depends on leaf position along the vertical canopy profile.</ArticleTitle><Pagination><MedlinePgn>114909</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0269-7491(20)32478-7</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envpol.2020.114909</ELocationID><Abstract><AbstractText>We investigated isoprene (ISO) emission and gas exchange in leaves from different positions along the vertical canopy profile of poplar saplings (Populus euramericana cv. '74/76'). For a growing season, plants were subjected to four N treatments, control (NC, no N addition), low N (LN, 50 kg N ha<sup>-1</sup>year<sup>-1</sup>), middle N (MN, 100 kg N ha<sup>-1</sup>year<sup>-1</sup>), high N (HN, 200 kg N ha<sup>-1</sup>year<sup>-1</sup>) and three O<sub>3</sub> treatments (CF, charcoal-filtered ambient air; NF, non-filtered ambient air; NF + O<sub>3</sub>, NF + 40 ppb O<sub>3</sub>). Our results showed the effects of O<sub>3</sub> and/or N on standardized ISO rate (ISO<sub>rate</sub>) and photosynthetic parameters differed along with the leaf position, with larger negative effects of O<sub>3</sub> and positive effects of N on ISO<sub>rate</sub> and photosynthetic parameters in the older leaves. Expanded young leaves were insensitive to both treatments even at very high O<sub>3</sub> concentration (67 ppb as 10-h average) and HN treatment. Significant O<sub>3</sub> × N interactions were only found in middle and lower leaves, where ISO<sub>rate</sub> declined by O<sub>3</sub> just when N was limited (NC and LN). With increasing light-saturated photosynthesis and chlorophyll content, ISO<sub>rate</sub> was reduced in the upper leaves but on the contrary increased in middle and lower leaves. The responses of ISO<sub>rate</sub> to AOT40 (accumulated exposure to hourly O<sub>3</sub> concentrations > 40 ppb) and POD<sub>Y</sub> (accumulative stomatal uptake of O<sub>3</sub> > Y nmol O<sub>3</sub> m<sup>-2</sup> PLA s<sup>-1</sup>) were not significant in upper leaves, but ISO<sub>rate</sub> significantly decreased with increasing AOT40 or POD<sub>Y</sub> under limited N supply in middle leaves but at all N levels in lower leaves. Overall, ISO<sub>rate</sub> changed along the vertical canopy profile in response to combined O<sub>3</sub> and N exposure, a behavior that should be incorporated into multi-layer canopy models. Our results are relevant for modelling regional isoprene emissions under current and future O<sub>3</sub> pollution and N deposition scenarios.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Xiangyang</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Shuangjiang</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>School of Applied Meteorology, Nanjing University of Information Science & Technology, 219 Ningliu Road, Nanjing, 210044, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Zhaozhong</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>School of Applied Meteorology, Nanjing University of Information Science & Technology, 219 Ningliu Road, Nanjing, 210044, China; National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing, 101408, China. Electronic address: zhaozhong.feng@nuist.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Yansen</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shang</LastName><ForeName>Bo</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fares</LastName><ForeName>Silvano</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Council for Agricultural Research and Economics (CREA) - Research Centre for Forestry and Wood, Via Valle della Quistione 27, 00166, Rome, Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Paoletti</LastName><ForeName>Elena</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China; Institute of Research on Terrestrial Ecosystems, National Research Council, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>06</Month><Day>04</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Pollut</MedlineTA><NlmUniqueID>8804476</NlmUniqueID><ISSNLinking>0269-7491</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002070">Butadienes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D045782">Hemiterpenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0A62964IBU</RegistryNumber><NameOfSubstance UI="C005059">isoprene</NameOfSubstance></Chemical><Chemical><RegistryNumber>66H7ZZK23N</RegistryNumber><NameOfSubstance UI="D010126">Ozone</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002070" MajorTopicYN="N">Butadienes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045782" MajorTopicYN="N">Hemiterpenes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010126" MajorTopicYN="Y">Ozone</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="Y">Populus</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Isoprene emission</Keyword><Keyword MajorTopicYN="N">Leaf position</Keyword><Keyword MajorTopicYN="N">Nitrogen deposition</Keyword><Keyword MajorTopicYN="N">Poplar</Keyword><Keyword MajorTopicYN="N">Tropospheric O(3)</Keyword></KeywordList><CoiStatement>Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>04</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>05</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>05</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>8</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32540567</ArticleId><ArticleId IdType="pii">S0269-7491(20)32478-7</ArticleId><ArticleId IdType="doi">10.1016/j.envpol.2020.114909</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li><li>République populaire de Chine</li></country><region><li>Latium</li></region><settlement><li>Rome</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Yuan, Xiangyang" sort="Yuan, Xiangyang" uniqKey="Yuan X" first="Xiangyang" last="Yuan">Xiangyang Yuan</name></noRegion><name sortKey="Feng, Zhaozhong" sort="Feng, Zhaozhong" uniqKey="Feng Z" first="Zhaozhong" last="Feng">Zhaozhong Feng</name><name sortKey="Li, Shuangjiang" sort="Li, Shuangjiang" uniqKey="Li S" first="Shuangjiang" last="Li">Shuangjiang Li</name><name sortKey="Shang, Bo" sort="Shang, Bo" uniqKey="Shang B" first="Bo" last="Shang">Bo Shang</name><name sortKey="Xu, Yansen" sort="Xu, Yansen" uniqKey="Xu Y" first="Yansen" last="Xu">Yansen Xu</name></country><country name="Italie"><region name="Latium"><name sortKey="Fares, Silvano" sort="Fares, Silvano" uniqKey="Fares S" first="Silvano" last="Fares">Silvano Fares</name></region><name sortKey="Paoletti, Elena" sort="Paoletti, Elena" uniqKey="Paoletti E" first="Elena" last="Paoletti">Elena Paoletti</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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