Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta
Changes in the sources and sinks of soil organic carbon (SOC) and total nitrogen (TN) in wetland soils as indicators of soil quality and climate change have received attention worldwide. Soil samples were collected in 2007 and 2012 in the coastal wetlands of the Yellow River Delta and the SOC and TN...
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| Veröffentlicht in: | Scientific reports 2016-02, Vol.6 (1), p.21137-21137, Article 21137 |
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| description | Changes in the sources and sinks of soil organic carbon (SOC) and total nitrogen (TN) in wetland soils as indicators of soil quality and climate change have received attention worldwide. Soil samples were collected in 2007 and 2012 in the coastal wetlands of the Yellow River Delta and the SOC and TN were determined to investigate a five-year change in their content and stock in these wetlands as affected by flow-sediment regulation. Our results revealed that the soils in 2007 exhibited greater electrical conductivities, SOC content and density, and ammonium nitrogen (NH
4
+
-N) levels in the top 10 cm soils (
p
|
| doi_str_mv | 10.1038/srep21137 |
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4
+
-N) levels in the top 10 cm soils (
p
< 0.05) compared with the soils in 2012. In general, the SOC and TN contents decreased with increasing soil depth. However, the highest ratios of soil organic carbon and total nitrogen (molar C/N ratios) were observed in the 30–40 cm soil layer. A significant SOC loss occurred (
p
< 0.05) in top 10 cm soils, but only a small change in SOC in the top 50 cm soils. Comparatively, TN levels did not show significant differences in the study period.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep21137</identifier><identifier>PMID: 26879008</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>639/158 ; 704/158 ; Ammonium ; Carbon ; Climate change ; Humanities and Social Sciences ; multidisciplinary ; Nitrogen ; Organic carbon ; Organic soils ; Rivers ; Science ; Soil depth ; Soil quality ; Tillage ; Wetlands</subject><ispartof>Scientific reports, 2016-02, Vol.6 (1), p.21137-21137, Article 21137</ispartof><rights>The Author(s) 2016</rights><rights>Copyright Nature Publishing Group Feb 2016</rights><rights>Copyright © 2016, Macmillan Publishers Limited 2016 Macmillan Publishers Limited</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-73331cdae853555298b3fd0e8d7f5092b491b9c83e800a01749bbbfaedae2bce3</citedby><cites>FETCH-LOGICAL-c438t-73331cdae853555298b3fd0e8d7f5092b491b9c83e800a01749bbbfaedae2bce3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4754762/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4754762/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27901,27902,41096,42165,51551,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26879008$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Junjing</creatorcontrib><creatorcontrib>Bai, Junhong</creatorcontrib><creatorcontrib>Zhao, Qingqing</creatorcontrib><creatorcontrib>Lu, Qiongqiong</creatorcontrib><creatorcontrib>Xia, Zhijian</creatorcontrib><title>Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>Changes in the sources and sinks of soil organic carbon (SOC) and total nitrogen (TN) in wetland soils as indicators of soil quality and climate change have received attention worldwide. Soil samples were collected in 2007 and 2012 in the coastal wetlands of the Yellow River Delta and the SOC and TN were determined to investigate a five-year change in their content and stock in these wetlands as affected by flow-sediment regulation. Our results revealed that the soils in 2007 exhibited greater electrical conductivities, SOC content and density, and ammonium nitrogen (NH
4
+
-N) levels in the top 10 cm soils (
p
< 0.05) compared with the soils in 2012. In general, the SOC and TN contents decreased with increasing soil depth. However, the highest ratios of soil organic carbon and total nitrogen (molar C/N ratios) were observed in the 30–40 cm soil layer. A significant SOC loss occurred (
p
< 0.05) in top 10 cm soils, but only a small change in SOC in the top 50 cm soils. Comparatively, TN levels did not show significant differences in the study period.</description><subject>639/158</subject><subject>704/158</subject><subject>Ammonium</subject><subject>Carbon</subject><subject>Climate change</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Nitrogen</subject><subject>Organic carbon</subject><subject>Organic soils</subject><subject>Rivers</subject><subject>Science</subject><subject>Soil depth</subject><subject>Soil quality</subject><subject>Tillage</subject><subject>Wetlands</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNplkd9qFDEUxgdRbKm98AUk4I0WxubPzCa5EWSxtVDwpl6HJHNmNiWbrEmmZZ_A1zbr1mW1uUnI-Z3vfIevad4S_IlgJi5zgg0lhPEXzSnFXd9SRunLo_dJc57zPa6np7Ij8nVzQheCS4zFafPryj1AuwWdkF3pMEFGLqAcnUcxTTo4i6xOJgakw4BKLNqj4EqKE4QdaaPOu79HKL4SGelxBFtgQGaLRh8f2wyDW0MoKME0e11c_NOo0XLlAmRAA_ii3zSvRu0znD_dZ82Pq693y2_t7ffrm-WX29Z2TJSWM8aIHTSInvV93UcYNg4YxMDHHktqOkmMtIKBwFhjwjtpjBk11BZqLLCz5vNedzObNQy2Gkvaq01ya522Kmqn_q0Et1JTfFAd7zu-oFXgw5NAij9nyEWtXbbg6_YQ56wIX_SS8Dq4ou__Q-_jnEJdTxEhhVxgxnmlPu4pm2KuYY4HMwSrXcLqkHBl3x27P5B_86zAxR7ItVTTTEcjn6n9Bq8Nsnw</recordid><startdate>20160216</startdate><enddate>20160216</enddate><creator>Wang, Junjing</creator><creator>Bai, Junhong</creator><creator>Zhao, Qingqing</creator><creator>Lu, Qiongqiong</creator><creator>Xia, Zhijian</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20160216</creationdate><title>Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta</title><author>Wang, Junjing ; Bai, Junhong ; Zhao, Qingqing ; Lu, Qiongqiong ; Xia, Zhijian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-73331cdae853555298b3fd0e8d7f5092b491b9c83e800a01749bbbfaedae2bce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>639/158</topic><topic>704/158</topic><topic>Ammonium</topic><topic>Carbon</topic><topic>Climate change</topic><topic>Humanities and Social Sciences</topic><topic>multidisciplinary</topic><topic>Nitrogen</topic><topic>Organic carbon</topic><topic>Organic soils</topic><topic>Rivers</topic><topic>Science</topic><topic>Soil depth</topic><topic>Soil quality</topic><topic>Tillage</topic><topic>Wetlands</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Junjing</creatorcontrib><creatorcontrib>Bai, Junhong</creatorcontrib><creatorcontrib>Zhao, Qingqing</creatorcontrib><creatorcontrib>Lu, Qiongqiong</creatorcontrib><creatorcontrib>Xia, Zhijian</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Junjing</au><au>Bai, Junhong</au><au>Zhao, Qingqing</au><au>Lu, Qiongqiong</au><au>Xia, Zhijian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2016-02-16</date><risdate>2016</risdate><volume>6</volume><issue>1</issue><spage>21137</spage><epage>21137</epage><pages>21137-21137</pages><artnum>21137</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Changes in the sources and sinks of soil organic carbon (SOC) and total nitrogen (TN) in wetland soils as indicators of soil quality and climate change have received attention worldwide. Soil samples were collected in 2007 and 2012 in the coastal wetlands of the Yellow River Delta and the SOC and TN were determined to investigate a five-year change in their content and stock in these wetlands as affected by flow-sediment regulation. Our results revealed that the soils in 2007 exhibited greater electrical conductivities, SOC content and density, and ammonium nitrogen (NH
4
+
-N) levels in the top 10 cm soils (
p
< 0.05) compared with the soils in 2012. In general, the SOC and TN contents decreased with increasing soil depth. However, the highest ratios of soil organic carbon and total nitrogen (molar C/N ratios) were observed in the 30–40 cm soil layer. A significant SOC loss occurred (
p
< 0.05) in top 10 cm soils, but only a small change in SOC in the top 50 cm soils. Comparatively, TN levels did not show significant differences in the study period.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>26879008</pmid><doi>10.1038/srep21137</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 639/158 704/158 Ammonium Carbon Climate change Humanities and Social Sciences multidisciplinary Nitrogen Organic carbon Organic soils Rivers Science Soil depth Soil quality Tillage Wetlands |
| title | Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta |
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