Glomalin-related soil protein deposition and carbon sequestration in the Old Yellow River delta.
Identifieur interne : 000A30 ( Main/Corpus ); précédent : 000A29; suivant : 000A31Glomalin-related soil protein deposition and carbon sequestration in the Old Yellow River delta.
Auteurs : Qiang Wang ; Junwei Li ; Jingyan Chen ; Hualong Hong ; Haoliang Lu ; Jingchun Liu ; Yunwei Dong ; Chongling YanSource :
- The Science of the total environment [ 1879-1026 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Fungal Proteins, Glycoproteins.
- chemical : Carbon, Iron, Nitrogen, Soil.
- Carbon Sequestration, China, Ecosystem, Geologic Sediments, Rivers.
Abstract
Glomalin-related soil protein (GRSP), a particular terrigenous-derived carbon (C), is transported to the coastal oceans, where it accumulates in sediments. We hypothesized that terrigenous C (GRSP) accumulation could enhance marine C sequestration, and sediment fertility would increase the C stock in the marine ecosystem. In this study, we tested GRSP contribution to marine sediment C, nitrogen (N) and iron (Fe), and explored whether GRSP deposition varied with sediment fertility levels in the Old Yellow River delta. The mean concentration of total GRSP was 1.10±0.04mgg-1 (0.24MgCha-1), accounting for 6.41±0.17% of total organic C and 3.75±0.13% of total N in the 0-10cm marine sediments, indicating that the coastal marine system is an important sink of GRSP. GRSP also contained 1.46±0.06% Fe (20.7kgFeha-1), accounting for 0.058±0.003% of total Fe in marine sediments. Meanwhile, Fe-content in GRSP significantly decreased with distance from the shore, indicating that Fe was released with GRSP transfer and thus GRSP was a new natural Fe fertilization in marine environment. Furthermore, GRSP enhanced marine C sequestration by its rapid deposition and Fe contribution. Combined indicators of sediment fertility (factor 1) were significantly positively correlated with GRSP concentrations by Principal Component Analysis. Co-deposited with nutrient elements, GRSP fractions were accumulated more in more fertile sediments but less in less fertile sediments. GRSP, a mixture of co-existent multiple elements, can be used as a nutrient controlled-release agent in the marine ecosystem. GRSP fractions were responsive to marine sediment fertility levels and the understanding of their function in sediment C sequestration will provide new insights into the importance of terrestrial-marine linkages.
DOI: 10.1016/j.scitotenv.2017.12.303
PubMed: 29304499
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pubmed:29304499Le document en format XML
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Electronic address: ycl@xmu.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29304499</idno><idno type="pmid">29304499</idno><idno type="doi">10.1016/j.scitotenv.2017.12.303</idno><idno type="wicri:Area/Main/Corpus">000A30</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000A30</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Glomalin-related soil protein deposition and carbon sequestration in the Old Yellow River delta.</title><author><name sortKey="Wang, Qiang" sort="Wang, Qiang" uniqKey="Wang Q" first="Qiang" last="Wang">Qiang Wang</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Junwei" sort="Li, Junwei" uniqKey="Li J" first="Junwei" last="Li">Junwei Li</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Chen, Jingyan" sort="Chen, Jingyan" uniqKey="Chen J" first="Jingyan" last="Chen">Jingyan Chen</name><affiliation><nlm:affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Hong, Hualong" sort="Hong, Hualong" uniqKey="Hong H" first="Hualong" last="Hong">Hualong Hong</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Haoliang" sort="Lu, Haoliang" uniqKey="Lu H" first="Haoliang" last="Lu">Haoliang Lu</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Liu, Jingchun" sort="Liu, Jingchun" uniqKey="Liu J" first="Jingchun" last="Liu">Jingchun Liu</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Dong, Yunwei" sort="Dong, Yunwei" uniqKey="Dong Y" first="Yunwei" last="Dong">Yunwei Dong</name><affiliation><nlm:affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.</nlm:affiliation></affiliation></author><author><name sortKey="Yan, Chongling" sort="Yan, Chongling" uniqKey="Yan C" first="Chongling" last="Yan">Chongling Yan</name><affiliation><nlm:affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China. Electronic address: ycl@xmu.edu.cn.</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="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (MeSH)</term><term>Carbon Sequestration (MeSH)</term><term>China (MeSH)</term><term>Ecosystem (MeSH)</term><term>Fungal Proteins (chemistry)</term><term>Geologic Sediments (MeSH)</term><term>Glycoproteins (chemistry)</term><term>Iron (MeSH)</term><term>Nitrogen (MeSH)</term><term>Rivers (MeSH)</term><term>Soil (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Fungal Proteins</term><term>Glycoproteins</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Carbon</term><term>Iron</term><term>Nitrogen</term><term>Soil</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Carbon Sequestration</term><term>China</term><term>Ecosystem</term><term>Geologic Sediments</term><term>Rivers</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Glomalin-related soil protein (GRSP), a particular terrigenous-derived carbon (C), is transported to the coastal oceans, where it accumulates in sediments. We hypothesized that terrigenous C (GRSP) accumulation could enhance marine C sequestration, and sediment fertility would increase the C stock in the marine ecosystem. In this study, we tested GRSP contribution to marine sediment C, nitrogen (N) and iron (Fe), and explored whether GRSP deposition varied with sediment fertility levels in the Old Yellow River delta. The mean concentration of total GRSP was 1.10±0.04mgg<sup>-1</sup> (0.24MgCha<sup>-1</sup>), accounting for 6.41±0.17% of total organic C and 3.75±0.13% of total N in the 0-10cm marine sediments, indicating that the coastal marine system is an important sink of GRSP. GRSP also contained 1.46±0.06% Fe (20.7kgFeha<sup>-1</sup>), accounting for 0.058±0.003% of total Fe in marine sediments. Meanwhile, Fe-content in GRSP significantly decreased with distance from the shore, indicating that Fe was released with GRSP transfer and thus GRSP was a new natural Fe fertilization in marine environment. Furthermore, GRSP enhanced marine C sequestration by its rapid deposition and Fe contribution. Combined indicators of sediment fertility (factor 1) were significantly positively correlated with GRSP concentrations by Principal Component Analysis. Co-deposited with nutrient elements, GRSP fractions were accumulated more in more fertile sediments but less in less fertile sediments. GRSP, a mixture of co-existent multiple elements, can be used as a nutrient controlled-release agent in the marine ecosystem. GRSP fractions were responsive to marine sediment fertility levels and the understanding of their function in sediment C sequestration will provide new insights into the importance of terrestrial-marine linkages.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29304499</PMID><DateCompleted><Year>2018</Year><Month>10</Month><Day>10</Day></DateCompleted><DateRevised><Year>2018</Year><Month>10</Month><Day>10</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>625</Volume><PubDate><Year>2018</Year><Month>Jun</Month><Day>01</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Glomalin-related soil protein deposition and carbon sequestration in the Old Yellow River delta.</ArticleTitle><Pagination><MedlinePgn>619-626</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0048-9697(17)33736-1</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.scitotenv.2017.12.303</ELocationID><Abstract><AbstractText>Glomalin-related soil protein (GRSP), a particular terrigenous-derived carbon (C), is transported to the coastal oceans, where it accumulates in sediments. We hypothesized that terrigenous C (GRSP) accumulation could enhance marine C sequestration, and sediment fertility would increase the C stock in the marine ecosystem. In this study, we tested GRSP contribution to marine sediment C, nitrogen (N) and iron (Fe), and explored whether GRSP deposition varied with sediment fertility levels in the Old Yellow River delta. The mean concentration of total GRSP was 1.10±0.04mgg<sup>-1</sup> (0.24MgCha<sup>-1</sup>), accounting for 6.41±0.17% of total organic C and 3.75±0.13% of total N in the 0-10cm marine sediments, indicating that the coastal marine system is an important sink of GRSP. GRSP also contained 1.46±0.06% Fe (20.7kgFeha<sup>-1</sup>), accounting for 0.058±0.003% of total Fe in marine sediments. Meanwhile, Fe-content in GRSP significantly decreased with distance from the shore, indicating that Fe was released with GRSP transfer and thus GRSP was a new natural Fe fertilization in marine environment. Furthermore, GRSP enhanced marine C sequestration by its rapid deposition and Fe contribution. Combined indicators of sediment fertility (factor 1) were significantly positively correlated with GRSP concentrations by Principal Component Analysis. Co-deposited with nutrient elements, GRSP fractions were accumulated more in more fertile sediments but less in less fertile sediments. GRSP, a mixture of co-existent multiple elements, can be used as a nutrient controlled-release agent in the marine ecosystem. GRSP fractions were responsive to marine sediment fertility levels and the understanding of their function in sediment C sequestration will provide new insights into the importance of terrestrial-marine linkages.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Qiang</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Junwei</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Jingyan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hong</LastName><ForeName>Hualong</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Haoliang</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Jingchun</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dong</LastName><ForeName>Yunwei</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yan</LastName><ForeName>Chongling</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361102, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China. Electronic address: ycl@xmu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>01</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005656">Fungal Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D006023">Glycoproteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C573268">glomalin, Mycorrhizae</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>E1UOL152H7</RegistryNumber><NameOfSubstance UI="D007501">Iron</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D057965" MajorTopicYN="Y">Carbon Sequestration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005656" MajorTopicYN="N">Fungal Proteins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019015" MajorTopicYN="N">Geologic Sediments</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006023" MajorTopicYN="N">Glycoproteins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007501" MajorTopicYN="N">Iron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045483" MajorTopicYN="Y">Rivers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Glomalin-related soil protein</Keyword><Keyword MajorTopicYN="N">Iron</Keyword><Keyword MajorTopicYN="N">Sediment carbon</Keyword><Keyword MajorTopicYN="N">Sediment fertility</Keyword><Keyword MajorTopicYN="N">Sediment nitrogen</Keyword><Keyword MajorTopicYN="N">Terrigenous carbon</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>10</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>12</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>12</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>10</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29304499</ArticleId><ArticleId IdType="pii">S0048-9697(17)33736-1</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2017.12.303</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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