Soil organic carbon pool and chemical composition under different types of land use in wetland: Implication for carbon sequestration in wetlands.
Identifieur interne : 000458 ( Main/Corpus ); précédent : 000457; suivant : 000459Soil organic carbon pool and chemical composition under different types of land use in wetland: Implication for carbon sequestration in wetlands.
Auteurs : Huai Ji ; Jiangang Han ; Jianming Xue ; Jeff A. Hatten ; Minhuang Wang ; Yanhui Guo ; Pingping LiSource :
- The Science of the total environment [ 1879-1026 ] ; 2020.
Abstract
This study was conducted to understand how different wetland vegetation-land use types influenced the storage and stability of soil organic carbon (SOC) in surface soils. We determined the concentration and chemical composition of SOC in both density (including light fraction organic carbon (LFOC) and heavy fraction organic carbon (HFOC)) and particle size fractions (including <2 μm, 2-63 μm, 63-200 μm and 200-2000 μm) in four wetland land use types covered with different vegetation: lake-sedge, reed, willow and poplar wetlands. Results showed that the concentrations and stock of SOC and LFOC in willow and poplar wetlands were significantly higher than those in lake-sedge and reed. However, a higher proportion of alkyl-C and a lower proportion of O-alkyl-C were observed in lake-sedge and reed wetlands than in willow and poplar, suggesting that accumulated C in willow and poplar wetlands was less stable than that in lake-sedge and reed. For all particle-size fractions except the silt (2-63 μm), the SOC concentrations were highest in willow and lowest in reed wetland surface soils, while their alkyl-C/O-alkyl-C (A/O-A) and hydrophobic-C/hydrophilic-C ratios progressively decreased from lake-sedge and reed wetland surface soils to poplar and willow surface soils. Moreover, the ratios of A/O-A and hydrophobic-C/hydrophilic-C in surface soils generally decreased with increasing concentrations of SOC in particle-size fractions, with these stability indexes being lowest in the largest particle-size fraction. These results indicate that the wetland vegetation-land use types that could incorporate more C into finer particle-size fractions had a greater potential for sequestering more stable C in such wetland ecosystems. Different wetland vegetation-land use types resulted in significant changes in the concentration and chemical structure of SOC, which could affect soil C sequestration and dynamics, C cycling in wetland ecosystems. Although both willow and poplar forests could increase SOC stock, the stability of SOC in willow wetland was higher. Therefore, on balance (stock and stability) the land use of wetland for willow forest could be a more promising way for enhancing soil C sequestration in wetlands.
DOI: 10.1016/j.scitotenv.2020.136996
PubMed: 32059329
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Soil organic carbon pool and chemical composition under different types of land use in wetland: Implication for carbon sequestration in wetlands.</title><author><name sortKey="Ji, Huai" sort="Ji, Huai" uniqKey="Ji H" first="Huai" last="Ji">Huai Ji</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; College of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.</nlm:affiliation></affiliation></author><author><name sortKey="Han, Jiangang" sort="Han, Jiangang" uniqKey="Han J" first="Jiangang" last="Han">Jiangang Han</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China.</nlm:affiliation></affiliation></author><author><name sortKey="Xue, Jianming" sort="Xue, Jianming" uniqKey="Xue J" first="Jianming" last="Xue">Jianming Xue</name><affiliation><nlm:affiliation>New Zealand Forest Research Institute Ltd (Scion), Christchurch 8440, New Zealand.</nlm:affiliation></affiliation></author><author><name sortKey="Hatten, Jeff A" sort="Hatten, Jeff A" uniqKey="Hatten J" first="Jeff A" last="Hatten">Jeff A. Hatten</name><affiliation><nlm:affiliation>Department of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR 97331, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Minhuang" sort="Wang, Minhuang" uniqKey="Wang M" first="Minhuang" last="Wang">Minhuang Wang</name><affiliation><nlm:affiliation>Chair of Silviculture, University of Freiburg, Tennenbacherstr. 4, Freiburg 79085, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Guo, Yanhui" sort="Guo, Yanhui" uniqKey="Guo Y" first="Yanhui" last="Guo">Yanhui Guo</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Pingping" sort="Li, Pingping" uniqKey="Li P" first="Pingping" last="Li">Pingping Li</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China. Electronic address: jslipingping@163.com.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2020">2020</date><idno type="RBID">pubmed:32059329</idno><idno type="pmid">32059329</idno><idno type="doi">10.1016/j.scitotenv.2020.136996</idno><idno type="wicri:Area/Main/Corpus">000458</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000458</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Soil organic carbon pool and chemical composition under different types of land use in wetland: Implication for carbon sequestration in wetlands.</title><author><name sortKey="Ji, Huai" sort="Ji, Huai" uniqKey="Ji H" first="Huai" last="Ji">Huai Ji</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; College of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.</nlm:affiliation></affiliation></author><author><name sortKey="Han, Jiangang" sort="Han, Jiangang" uniqKey="Han J" first="Jiangang" last="Han">Jiangang Han</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China.</nlm:affiliation></affiliation></author><author><name sortKey="Xue, Jianming" sort="Xue, Jianming" uniqKey="Xue J" first="Jianming" last="Xue">Jianming Xue</name><affiliation><nlm:affiliation>New Zealand Forest Research Institute Ltd (Scion), Christchurch 8440, New Zealand.</nlm:affiliation></affiliation></author><author><name sortKey="Hatten, Jeff A" sort="Hatten, Jeff A" uniqKey="Hatten J" first="Jeff A" last="Hatten">Jeff A. Hatten</name><affiliation><nlm:affiliation>Department of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR 97331, United States.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Minhuang" sort="Wang, Minhuang" uniqKey="Wang M" first="Minhuang" last="Wang">Minhuang Wang</name><affiliation><nlm:affiliation>Chair of Silviculture, University of Freiburg, Tennenbacherstr. 4, Freiburg 79085, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Guo, Yanhui" sort="Guo, Yanhui" uniqKey="Guo Y" first="Yanhui" last="Guo">Yanhui Guo</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Pingping" sort="Li, Pingping" uniqKey="Li P" first="Pingping" last="Li">Pingping Li</name><affiliation><nlm:affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China. Electronic address: jslipingping@163.com.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The Science of the total environment</title><idno type="eISSN">1879-1026</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study was conducted to understand how different wetland vegetation-land use types influenced the storage and stability of soil organic carbon (SOC) in surface soils. We determined the concentration and chemical composition of SOC in both density (including light fraction organic carbon (LFOC) and heavy fraction organic carbon (HFOC)) and particle size fractions (including <2 μm, 2-63 μm, 63-200 μm and 200-2000 μm) in four wetland land use types covered with different vegetation: lake-sedge, reed, willow and poplar wetlands. Results showed that the concentrations and stock of SOC and LFOC in willow and poplar wetlands were significantly higher than those in lake-sedge and reed. However, a higher proportion of alkyl-C and a lower proportion of O-alkyl-C were observed in lake-sedge and reed wetlands than in willow and poplar, suggesting that accumulated C in willow and poplar wetlands was less stable than that in lake-sedge and reed. For all particle-size fractions except the silt (2-63 μm), the SOC concentrations were highest in willow and lowest in reed wetland surface soils, while their alkyl-C/O-alkyl-C (A/O-A) and hydrophobic-C/hydrophilic-C ratios progressively decreased from lake-sedge and reed wetland surface soils to poplar and willow surface soils. Moreover, the ratios of A/O-A and hydrophobic-C/hydrophilic-C in surface soils generally decreased with increasing concentrations of SOC in particle-size fractions, with these stability indexes being lowest in the largest particle-size fraction. These results indicate that the wetland vegetation-land use types that could incorporate more C into finer particle-size fractions had a greater potential for sequestering more stable C in such wetland ecosystems. Different wetland vegetation-land use types resulted in significant changes in the concentration and chemical structure of SOC, which could affect soil C sequestration and dynamics, C cycling in wetland ecosystems. Although both willow and poplar forests could increase SOC stock, the stability of SOC in willow wetland was higher. Therefore, on balance (stock and stability) the land use of wetland for willow forest could be a more promising way for enhancing soil C sequestration in wetlands.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">32059329</PMID><DateCompleted><Year>2020</Year><Month>03</Month><Day>24</Day></DateCompleted><DateRevised><Year>2020</Year><Month>03</Month><Day>24</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>716</Volume><PubDate><Year>2020</Year><Month>May</Month><Day>10</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Soil organic carbon pool and chemical composition under different types of land use in wetland: Implication for carbon sequestration in wetlands.</ArticleTitle><Pagination><MedlinePgn>136996</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0048-9697(20)30506-4</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.scitotenv.2020.136996</ELocationID><Abstract><AbstractText>This study was conducted to understand how different wetland vegetation-land use types influenced the storage and stability of soil organic carbon (SOC) in surface soils. We determined the concentration and chemical composition of SOC in both density (including light fraction organic carbon (LFOC) and heavy fraction organic carbon (HFOC)) and particle size fractions (including <2 μm, 2-63 μm, 63-200 μm and 200-2000 μm) in four wetland land use types covered with different vegetation: lake-sedge, reed, willow and poplar wetlands. Results showed that the concentrations and stock of SOC and LFOC in willow and poplar wetlands were significantly higher than those in lake-sedge and reed. However, a higher proportion of alkyl-C and a lower proportion of O-alkyl-C were observed in lake-sedge and reed wetlands than in willow and poplar, suggesting that accumulated C in willow and poplar wetlands was less stable than that in lake-sedge and reed. For all particle-size fractions except the silt (2-63 μm), the SOC concentrations were highest in willow and lowest in reed wetland surface soils, while their alkyl-C/O-alkyl-C (A/O-A) and hydrophobic-C/hydrophilic-C ratios progressively decreased from lake-sedge and reed wetland surface soils to poplar and willow surface soils. Moreover, the ratios of A/O-A and hydrophobic-C/hydrophilic-C in surface soils generally decreased with increasing concentrations of SOC in particle-size fractions, with these stability indexes being lowest in the largest particle-size fraction. These results indicate that the wetland vegetation-land use types that could incorporate more C into finer particle-size fractions had a greater potential for sequestering more stable C in such wetland ecosystems. Different wetland vegetation-land use types resulted in significant changes in the concentration and chemical structure of SOC, which could affect soil C sequestration and dynamics, C cycling in wetland ecosystems. Although both willow and poplar forests could increase SOC stock, the stability of SOC in willow wetland was higher. Therefore, on balance (stock and stability) the land use of wetland for willow forest could be a more promising way for enhancing soil C sequestration in wetlands.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ji</LastName><ForeName>Huai</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; College of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Jiangang</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xue</LastName><ForeName>Jianming</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>New Zealand Forest Research Institute Ltd (Scion), Christchurch 8440, New Zealand.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hatten</LastName><ForeName>Jeff A</ForeName><Initials>JA</Initials><AffiliationInfo><Affiliation>Department of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR 97331, United States.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Minhuang</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Chair of Silviculture, University of Freiburg, Tennenbacherstr. 4, Freiburg 79085, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Yanhui</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Pingping</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; National Positioning Observation Station of Hung-tse Lake Wetland Ecosystem in Jiangsu Province, Hongze 223100, China. Electronic address: jslipingping@163.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>01</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Chemical composition</Keyword><Keyword MajorTopicYN="N">Land use type</Keyword><Keyword MajorTopicYN="N">Soil organic carbon</Keyword><Keyword MajorTopicYN="N">Stability</Keyword><Keyword MajorTopicYN="N">Wetland</Keyword></KeywordList><CoiStatement>Declaration of competing interest The authors declared that they have no conflicts of interest to this work. We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>09</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>01</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>01</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>2</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>2</Month><Day>16</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>2</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32059329</ArticleId><ArticleId IdType="pii">S0048-9697(20)30506-4</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2020.136996</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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