Contribution of glomalin to dissolve organic carbon under different land uses and seasonality in dry tropics.
Identifieur interne : 000D73 ( Main/Corpus ); précédent : 000D72; suivant : 000D74Contribution of glomalin to dissolve organic carbon under different land uses and seasonality in dry tropics.
Auteurs : Ashutosh Kumar Singh ; Apurva Rai ; Vivek Pandey ; Nandita SinghSource :
- Journal of environmental management [ 1095-8630 ] ; 2017.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Carbon, Fungal Proteins, Glycoproteins, Nitrogen, Phosphorus.
- chemical , chemistry : Soil.
- Agriculture, Carbon Sequestration, Climate, Ecosystem, Forests.
Abstract
Glomalin related soil protein (GRSP) is a hydrophobic glycoprotein that is significant for soil organic carbon (SOC) persistence and sequestration, owing to its large contribution to SOC pool and long turnover time. However, the contribution of GRSP to dissolve OC (DOC) leach from soil is not yet comprehensively explored, though it could have implication in understanding SOC dynamics. We, therefore, aim to measure the contribution of GRSP to DOC, in a range of land uses and climatic seasons in the dry tropical ecosystem. Our results demonstrated that a significant proportion of GRSP (water soluble GRSP; WS-GRSP) leached with DOC (7.9-21.9 mg kg-1), which accounts for 0.2-0.23% of soils total GRSP (T-GRSP). Forest exhibited significantly higher WS-GRSP and DOC leaching than fallow and agriculture. WS-GRSP and DOC accumulations were higher in the dry season (summer and winter) than in rainy. The extent of seasonal variations was higher in forest than in other two land uses, indicating the role of vegetation and biological activity in soil dissolve organic matter (DOM) dynamics. The regression analysis among WS-GRSP, T-GRSP, DOC and SOC prove that the accumulations and leaching of GRSP and other soil OM (SOM) depend on similar factors. The ratio of WS-GRSP-C to DOC was higher in agriculture soil than in forest and fallow, likely a consequence of altered soil chemistry, and organic matter quantity and quality due to soil management practices. Multivariate analysis reflects a strong linkage among GRSP and SOC storage and leaching, soil nutrients (nitrogen and phosphorus) and other important soil properties (pH and bulk density), suggesting that improving GRSP and other SOM status is an urgent need for the both SOC sequestration and soil health in dry tropical agro-ecosystems.
DOI: 10.1016/j.jenvman.2017.01.041
PubMed: 28160641
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pubmed:28160641Le document en format XML
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Electronic address: ashutosh.evst11@gmail.com.</nlm:affiliation></affiliation></author><author><name sortKey="Rai, Apurva" sort="Rai, Apurva" uniqKey="Rai A" first="Apurva" last="Rai">Apurva Rai</name><affiliation><nlm:affiliation>Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India; Department of Botany, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Pandey, Vivek" sort="Pandey, Vivek" uniqKey="Pandey V" first="Vivek" last="Pandey">Vivek Pandey</name><affiliation><nlm:affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India.</nlm:affiliation></affiliation></author><author><name sortKey="Singh, Nandita" sort="Singh, Nandita" uniqKey="Singh N" first="Nandita" last="Singh">Nandita Singh</name><affiliation><nlm:affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India. 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Electronic address: ashutosh.evst11@gmail.com.</nlm:affiliation></affiliation></author><author><name sortKey="Rai, Apurva" sort="Rai, Apurva" uniqKey="Rai A" first="Apurva" last="Rai">Apurva Rai</name><affiliation><nlm:affiliation>Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India; Department of Botany, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Pandey, Vivek" sort="Pandey, Vivek" uniqKey="Pandey V" first="Vivek" last="Pandey">Vivek Pandey</name><affiliation><nlm:affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India.</nlm:affiliation></affiliation></author><author><name sortKey="Singh, Nandita" sort="Singh, Nandita" uniqKey="Singh N" first="Nandita" last="Singh">Nandita Singh</name><affiliation><nlm:affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India. Electronic address: nanditasingh8@yahoo.co.in.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Journal of environmental management</title><idno type="eISSN">1095-8630</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Agriculture (MeSH)</term><term>Carbon (analysis)</term><term>Carbon Sequestration (MeSH)</term><term>Climate (MeSH)</term><term>Ecosystem (MeSH)</term><term>Forests (MeSH)</term><term>Fungal Proteins (analysis)</term><term>Glycoproteins (analysis)</term><term>Nitrogen (analysis)</term><term>Phosphorus (analysis)</term><term>Soil (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbon</term><term>Fungal Proteins</term><term>Glycoproteins</term><term>Nitrogen</term><term>Phosphorus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Agriculture</term><term>Carbon Sequestration</term><term>Climate</term><term>Ecosystem</term><term>Forests</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Glomalin related soil protein (GRSP) is a hydrophobic glycoprotein that is significant for soil organic carbon (SOC) persistence and sequestration, owing to its large contribution to SOC pool and long turnover time. However, the contribution of GRSP to dissolve OC (DOC) leach from soil is not yet comprehensively explored, though it could have implication in understanding SOC dynamics. We, therefore, aim to measure the contribution of GRSP to DOC, in a range of land uses and climatic seasons in the dry tropical ecosystem. Our results demonstrated that a significant proportion of GRSP (water soluble GRSP; WS-GRSP) leached with DOC (7.9-21.9 mg kg<sup>-1</sup>), which accounts for 0.2-0.23% of soils total GRSP (T-GRSP). Forest exhibited significantly higher WS-GRSP and DOC leaching than fallow and agriculture. WS-GRSP and DOC accumulations were higher in the dry season (summer and winter) than in rainy. The extent of seasonal variations was higher in forest than in other two land uses, indicating the role of vegetation and biological activity in soil dissolve organic matter (DOM) dynamics. The regression analysis among WS-GRSP, T-GRSP, DOC and SOC prove that the accumulations and leaching of GRSP and other soil OM (SOM) depend on similar factors. The ratio of WS-GRSP-C to DOC was higher in agriculture soil than in forest and fallow, likely a consequence of altered soil chemistry, and organic matter quantity and quality due to soil management practices. Multivariate analysis reflects a strong linkage among GRSP and SOC storage and leaching, soil nutrients (nitrogen and phosphorus) and other important soil properties (pH and bulk density), suggesting that improving GRSP and other SOM status is an urgent need for the both SOC sequestration and soil health in dry tropical agro-ecosystems.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">28160641</PMID><DateCompleted><Year>2017</Year><Month>04</Month><Day>28</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1095-8630</ISSN><JournalIssue CitedMedium="Internet"><Volume>192</Volume><PubDate><Year>2017</Year><Month>May</Month><Day>01</Day></PubDate></JournalIssue><Title>Journal of environmental management</Title><ISOAbbreviation>J Environ Manage</ISOAbbreviation></Journal><ArticleTitle>Contribution of glomalin to dissolve organic carbon under different land uses and seasonality in dry tropics.</ArticleTitle><Pagination><MedlinePgn>142-149</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0301-4797(17)30059-2</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jenvman.2017.01.041</ELocationID><Abstract><AbstractText>Glomalin related soil protein (GRSP) is a hydrophobic glycoprotein that is significant for soil organic carbon (SOC) persistence and sequestration, owing to its large contribution to SOC pool and long turnover time. However, the contribution of GRSP to dissolve OC (DOC) leach from soil is not yet comprehensively explored, though it could have implication in understanding SOC dynamics. We, therefore, aim to measure the contribution of GRSP to DOC, in a range of land uses and climatic seasons in the dry tropical ecosystem. Our results demonstrated that a significant proportion of GRSP (water soluble GRSP; WS-GRSP) leached with DOC (7.9-21.9 mg kg<sup>-1</sup>), which accounts for 0.2-0.23% of soils total GRSP (T-GRSP). Forest exhibited significantly higher WS-GRSP and DOC leaching than fallow and agriculture. WS-GRSP and DOC accumulations were higher in the dry season (summer and winter) than in rainy. The extent of seasonal variations was higher in forest than in other two land uses, indicating the role of vegetation and biological activity in soil dissolve organic matter (DOM) dynamics. The regression analysis among WS-GRSP, T-GRSP, DOC and SOC prove that the accumulations and leaching of GRSP and other soil OM (SOM) depend on similar factors. The ratio of WS-GRSP-C to DOC was higher in agriculture soil than in forest and fallow, likely a consequence of altered soil chemistry, and organic matter quantity and quality due to soil management practices. Multivariate analysis reflects a strong linkage among GRSP and SOC storage and leaching, soil nutrients (nitrogen and phosphorus) and other important soil properties (pH and bulk density), suggesting that improving GRSP and other SOM status is an urgent need for the both SOC sequestration and soil health in dry tropical agro-ecosystems.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Singh</LastName><ForeName>Ashutosh Kumar</ForeName><Initials>AK</Initials><AffiliationInfo><Affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India. Electronic address: ashutosh.evst11@gmail.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rai</LastName><ForeName>Apurva</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India; Department of Botany, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pandey</LastName><ForeName>Vivek</ForeName><Initials>V</Initials><AffiliationInfo><Affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Singh</LastName><ForeName>Nandita</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Academy of Scientific and Innovative Research (AcSIR), CSIR-National Botanical Research Institute (CSIR-NBRI) Campus, Rana Pratap Marg, Lucknow, 226001, India; Plant Ecology and Environmental Science Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India. Electronic address: nanditasingh8@yahoo.co.in.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>02</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Environ Manage</MedlineTA><NlmUniqueID>0401664</NlmUniqueID><ISSNLinking>0301-4797</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>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000383" MajorTopicYN="N">Agriculture</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057965" MajorTopicYN="N">Carbon Sequestration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002980" MajorTopicYN="N">Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D065928" MajorTopicYN="N">Forests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005656" MajorTopicYN="N">Fungal Proteins</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006023" MajorTopicYN="N">Glycoproteins</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Glomalin related soil protein</Keyword><Keyword MajorTopicYN="N">Land use system</Keyword><Keyword MajorTopicYN="N">Seasonal variation</Keyword><Keyword MajorTopicYN="N">Soil organic carbon</Keyword><Keyword MajorTopicYN="N">Tropical dry forest</Keyword><Keyword MajorTopicYN="N">Water soluble organic carbon</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>11</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>01</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>01</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>2</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>4</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>2</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28160641</ArticleId><ArticleId IdType="pii">S0301-4797(17)30059-2</ArticleId><ArticleId IdType="doi">10.1016/j.jenvman.2017.01.041</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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