Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter
Mineralization of organic matter (OM) in sediment is crucial for biogeochemical cycle of nitrogen (N) and phosphorus (P) in lake ecosystem. Light fraction OM (LFOM) is a reactive pool in sediment and is considered as labile fraction contributing to N and P cycling. In our study, the effect of LFOM o...
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| creator | Yang, Chunxia Wang, Shengrui Jin, Xiangcan Wu, Fengchang |
| description | Mineralization of organic matter (OM) in sediment is crucial for biogeochemical cycle of nitrogen (N) and phosphorus (P) in lake ecosystem. Light fraction OM (LFOM) is a reactive pool in sediment and is considered as labile fraction contributing to N and P cycling. In our study, the effect of LFOM on the process and characteristics of N and P mineralization in sediments of Taihu Lake were investigated with 77-day waterlogged incubation plus intermittent leaching at 27°C. Sediments from Yuantouzhu (Y) and Gonghu (G) were used, which were removed the LF. Results indicated that the organic nitrogen mineralized ranged from 14.3 to 19.5% of total nitrogen (193.49–378.93 mg kg
−1
sediment) and the organic phosphorus mineralized ranged from 5.7 to 7.9% of total phosphorus (19.86–60.65 mg kg
−1
sediment). The heavily polluted sediment had a higher mineralization rate and net mineral-N and mineral-P than slightly polluted sediment. LF stimulated the initial amounts of inorganic N and P and also can be the potential source for mineralization. After the LFOM removal, the net mineral-N of Y and G decreased 116.47 mg kg
−1
sediment and 48.03 mg kg
−1
sediment, respectively, and the net mineral-P decreased 2.67 mg kg
−1
sediment for Y and 4.82 mg kg
−1
sediment for G. Two models were used to fit the observed mineral-N data vs. incubation days using a non-linear regression procedure: one is the effective cumulated temperature model, a thermodynamic model which assumes that N mineralization is affected by temperature; the other is the single first-order exponential model, which is a dynamic model. Based on root mean square error values for the two models, the effective cumulated temperature model made a better prediction of N mineralization than the other model for all the four treatments. The single first-order exponential model underestimated N mineralization during the first 14 days and the last 21 days, and overestimated it in the other days during the 77-day incubation. This indicated that temperature was the primary factor influencing N mineralization and the amount of mineral-N were correlated significantly with the effective cumulated temperature (
T
≥ 15°C) and incubation time when waterlogged incubation plus intermittent leaching was used. |
| doi_str_mv | 10.1007/s12665-009-0130-5 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1038597644</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2416943951</sourcerecordid><originalsourceid>FETCH-LOGICAL-a467t-8be33ded6b2147bfdd1d15239cb196737eae3a104142a1513893fd2c2b30d04e3</originalsourceid><addsrcrecordid>eNp1kUFr3DAQhU1JoSHJD-hNBAK9uNFIsmwfS2jawpJc0rMYW-Ndpba0leRC8-ur7YYUChkQMzDfewx6VfUe-EfgvL1OILRuas77moPkdfOmOoVO61qLvj95mTv-rrpI6ZGXkiB7rk-rfOdyDFvyDL1l-11I5cU1scV5iji7J8wueOY8S2TdQj4nFib2gG63sg3-IIZTpsjyjlikJfzC-bCf3XaX2RRx_CsPcYvejWzBXODz6u2Ec6KL535Wfb_9_HDztd7cf_l282lTo9JtrruBpLRk9SBAtcNkLVhohOzHAXrdypaQJAJXoARCA7Lr5WTFKAbJLVckz6oPR999DD9XStksLo00z-gprMkAl13Tt1qpgl7-hz6GNfpynek64LoFJQsER2iMIaVIk9lHt2D8XZzMIQlzTMKUJMwhCdMUzdWzMaYR5_IjfnTpRSiEUlqKtnDiyKWy8luK_w543fwP4_eY3Q</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>881067143</pqid></control><display><type>article</type><title>Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter</title><source>SpringerLink Journals</source><creator>Yang, Chunxia ; Wang, Shengrui ; Jin, Xiangcan ; Wu, Fengchang</creator><creatorcontrib>Yang, Chunxia ; Wang, Shengrui ; Jin, Xiangcan ; Wu, Fengchang</creatorcontrib><description>Mineralization of organic matter (OM) in sediment is crucial for biogeochemical cycle of nitrogen (N) and phosphorus (P) in lake ecosystem. Light fraction OM (LFOM) is a reactive pool in sediment and is considered as labile fraction contributing to N and P cycling. In our study, the effect of LFOM on the process and characteristics of N and P mineralization in sediments of Taihu Lake were investigated with 77-day waterlogged incubation plus intermittent leaching at 27°C. Sediments from Yuantouzhu (Y) and Gonghu (G) were used, which were removed the LF. Results indicated that the organic nitrogen mineralized ranged from 14.3 to 19.5% of total nitrogen (193.49–378.93 mg kg
−1
sediment) and the organic phosphorus mineralized ranged from 5.7 to 7.9% of total phosphorus (19.86–60.65 mg kg
−1
sediment). The heavily polluted sediment had a higher mineralization rate and net mineral-N and mineral-P than slightly polluted sediment. LF stimulated the initial amounts of inorganic N and P and also can be the potential source for mineralization. After the LFOM removal, the net mineral-N of Y and G decreased 116.47 mg kg
−1
sediment and 48.03 mg kg
−1
sediment, respectively, and the net mineral-P decreased 2.67 mg kg
−1
sediment for Y and 4.82 mg kg
−1
sediment for G. Two models were used to fit the observed mineral-N data vs. incubation days using a non-linear regression procedure: one is the effective cumulated temperature model, a thermodynamic model which assumes that N mineralization is affected by temperature; the other is the single first-order exponential model, which is a dynamic model. Based on root mean square error values for the two models, the effective cumulated temperature model made a better prediction of N mineralization than the other model for all the four treatments. The single first-order exponential model underestimated N mineralization during the first 14 days and the last 21 days, and overestimated it in the other days during the 77-day incubation. This indicated that temperature was the primary factor influencing N mineralization and the amount of mineral-N were correlated significantly with the effective cumulated temperature (
T
≥ 15°C) and incubation time when waterlogged incubation plus intermittent leaching was used.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-009-0130-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Aquatic ecosystems ; Biogeochemical cycles ; Biogeochemistry ; Biogeosciences ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Environmental science ; Environmental Science and Engineering ; Exact sciences and technology ; Geochemistry ; Geology ; Hydrology ; Hydrology. Hydrogeology ; Hydrology/Water Resources ; Lakes ; Leaching ; Mineralization ; Mineralogy ; Nitrogen ; Organic contaminants ; Organic matter ; Organic nitrogen ; Organic phosphorus ; Original Article ; Phosphorus ; Phosphorus cycle ; Sediment pollution ; Sediments ; Silicates ; Soil and rock geochemistry ; Terrestrial Pollution ; Water geochemistry</subject><ispartof>Environmental earth sciences, 2010-02, Vol.59 (7), p.1437-1446</ispartof><rights>Springer-Verlag 2009</rights><rights>2015 INIST-CNRS</rights><rights>Springer-Verlag 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a467t-8be33ded6b2147bfdd1d15239cb196737eae3a104142a1513893fd2c2b30d04e3</citedby><cites>FETCH-LOGICAL-a467t-8be33ded6b2147bfdd1d15239cb196737eae3a104142a1513893fd2c2b30d04e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12665-009-0130-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-009-0130-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22446327$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Chunxia</creatorcontrib><creatorcontrib>Wang, Shengrui</creatorcontrib><creatorcontrib>Jin, Xiangcan</creatorcontrib><creatorcontrib>Wu, Fengchang</creatorcontrib><title>Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>Mineralization of organic matter (OM) in sediment is crucial for biogeochemical cycle of nitrogen (N) and phosphorus (P) in lake ecosystem. Light fraction OM (LFOM) is a reactive pool in sediment and is considered as labile fraction contributing to N and P cycling. In our study, the effect of LFOM on the process and characteristics of N and P mineralization in sediments of Taihu Lake were investigated with 77-day waterlogged incubation plus intermittent leaching at 27°C. Sediments from Yuantouzhu (Y) and Gonghu (G) were used, which were removed the LF. Results indicated that the organic nitrogen mineralized ranged from 14.3 to 19.5% of total nitrogen (193.49–378.93 mg kg
−1
sediment) and the organic phosphorus mineralized ranged from 5.7 to 7.9% of total phosphorus (19.86–60.65 mg kg
−1
sediment). The heavily polluted sediment had a higher mineralization rate and net mineral-N and mineral-P than slightly polluted sediment. LF stimulated the initial amounts of inorganic N and P and also can be the potential source for mineralization. After the LFOM removal, the net mineral-N of Y and G decreased 116.47 mg kg
−1
sediment and 48.03 mg kg
−1
sediment, respectively, and the net mineral-P decreased 2.67 mg kg
−1
sediment for Y and 4.82 mg kg
−1
sediment for G. Two models were used to fit the observed mineral-N data vs. incubation days using a non-linear regression procedure: one is the effective cumulated temperature model, a thermodynamic model which assumes that N mineralization is affected by temperature; the other is the single first-order exponential model, which is a dynamic model. Based on root mean square error values for the two models, the effective cumulated temperature model made a better prediction of N mineralization than the other model for all the four treatments. The single first-order exponential model underestimated N mineralization during the first 14 days and the last 21 days, and overestimated it in the other days during the 77-day incubation. This indicated that temperature was the primary factor influencing N mineralization and the amount of mineral-N were correlated significantly with the effective cumulated temperature (
T
≥ 15°C) and incubation time when waterlogged incubation plus intermittent leaching was used.</description><subject>Aquatic ecosystems</subject><subject>Biogeochemical cycles</subject><subject>Biogeochemistry</subject><subject>Biogeosciences</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Environmental science</subject><subject>Environmental Science and Engineering</subject><subject>Exact sciences and technology</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Hydrology</subject><subject>Hydrology. Hydrogeology</subject><subject>Hydrology/Water Resources</subject><subject>Lakes</subject><subject>Leaching</subject><subject>Mineralization</subject><subject>Mineralogy</subject><subject>Nitrogen</subject><subject>Organic contaminants</subject><subject>Organic matter</subject><subject>Organic nitrogen</subject><subject>Organic phosphorus</subject><subject>Original Article</subject><subject>Phosphorus</subject><subject>Phosphorus cycle</subject><subject>Sediment pollution</subject><subject>Sediments</subject><subject>Silicates</subject><subject>Soil and rock geochemistry</subject><subject>Terrestrial Pollution</subject><subject>Water geochemistry</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kUFr3DAQhU1JoSHJD-hNBAK9uNFIsmwfS2jawpJc0rMYW-Ndpba0leRC8-ur7YYUChkQMzDfewx6VfUe-EfgvL1OILRuas77moPkdfOmOoVO61qLvj95mTv-rrpI6ZGXkiB7rk-rfOdyDFvyDL1l-11I5cU1scV5iji7J8wueOY8S2TdQj4nFib2gG63sg3-IIZTpsjyjlikJfzC-bCf3XaX2RRx_CsPcYvejWzBXODz6u2Ec6KL535Wfb_9_HDztd7cf_l282lTo9JtrruBpLRk9SBAtcNkLVhohOzHAXrdypaQJAJXoARCA7Lr5WTFKAbJLVckz6oPR999DD9XStksLo00z-gprMkAl13Tt1qpgl7-hz6GNfpynek64LoFJQsER2iMIaVIk9lHt2D8XZzMIQlzTMKUJMwhCdMUzdWzMaYR5_IjfnTpRSiEUlqKtnDiyKWy8luK_w543fwP4_eY3Q</recordid><startdate>20100201</startdate><enddate>20100201</enddate><creator>Yang, Chunxia</creator><creator>Wang, Shengrui</creator><creator>Jin, Xiangcan</creator><creator>Wu, Fengchang</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><scope>7QH</scope></search><sort><creationdate>20100201</creationdate><title>Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter</title><author>Yang, Chunxia ; Wang, Shengrui ; Jin, Xiangcan ; Wu, Fengchang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a467t-8be33ded6b2147bfdd1d15239cb196737eae3a104142a1513893fd2c2b30d04e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aquatic ecosystems</topic><topic>Biogeochemical cycles</topic><topic>Biogeochemistry</topic><topic>Biogeosciences</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earth, ocean, space</topic><topic>Environmental science</topic><topic>Environmental Science and Engineering</topic><topic>Exact sciences and technology</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Hydrology</topic><topic>Hydrology. Hydrogeology</topic><topic>Hydrology/Water Resources</topic><topic>Lakes</topic><topic>Leaching</topic><topic>Mineralization</topic><topic>Mineralogy</topic><topic>Nitrogen</topic><topic>Organic contaminants</topic><topic>Organic matter</topic><topic>Organic nitrogen</topic><topic>Organic phosphorus</topic><topic>Original Article</topic><topic>Phosphorus</topic><topic>Phosphorus cycle</topic><topic>Sediment pollution</topic><topic>Sediments</topic><topic>Silicates</topic><topic>Soil and rock geochemistry</topic><topic>Terrestrial Pollution</topic><topic>Water geochemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Chunxia</creatorcontrib><creatorcontrib>Wang, Shengrui</creatorcontrib><creatorcontrib>Jin, Xiangcan</creatorcontrib><creatorcontrib>Wu, Fengchang</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (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>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science 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>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Chunxia</au><au>Wang, Shengrui</au><au>Jin, Xiangcan</au><au>Wu, Fengchang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2010-02-01</date><risdate>2010</risdate><volume>59</volume><issue>7</issue><spage>1437</spage><epage>1446</epage><pages>1437-1446</pages><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>Mineralization of organic matter (OM) in sediment is crucial for biogeochemical cycle of nitrogen (N) and phosphorus (P) in lake ecosystem. Light fraction OM (LFOM) is a reactive pool in sediment and is considered as labile fraction contributing to N and P cycling. In our study, the effect of LFOM on the process and characteristics of N and P mineralization in sediments of Taihu Lake were investigated with 77-day waterlogged incubation plus intermittent leaching at 27°C. Sediments from Yuantouzhu (Y) and Gonghu (G) were used, which were removed the LF. Results indicated that the organic nitrogen mineralized ranged from 14.3 to 19.5% of total nitrogen (193.49–378.93 mg kg
−1
sediment) and the organic phosphorus mineralized ranged from 5.7 to 7.9% of total phosphorus (19.86–60.65 mg kg
−1
sediment). The heavily polluted sediment had a higher mineralization rate and net mineral-N and mineral-P than slightly polluted sediment. LF stimulated the initial amounts of inorganic N and P and also can be the potential source for mineralization. After the LFOM removal, the net mineral-N of Y and G decreased 116.47 mg kg
−1
sediment and 48.03 mg kg
−1
sediment, respectively, and the net mineral-P decreased 2.67 mg kg
−1
sediment for Y and 4.82 mg kg
−1
sediment for G. Two models were used to fit the observed mineral-N data vs. incubation days using a non-linear regression procedure: one is the effective cumulated temperature model, a thermodynamic model which assumes that N mineralization is affected by temperature; the other is the single first-order exponential model, which is a dynamic model. Based on root mean square error values for the two models, the effective cumulated temperature model made a better prediction of N mineralization than the other model for all the four treatments. The single first-order exponential model underestimated N mineralization during the first 14 days and the last 21 days, and overestimated it in the other days during the 77-day incubation. This indicated that temperature was the primary factor influencing N mineralization and the amount of mineral-N were correlated significantly with the effective cumulated temperature (
T
≥ 15°C) and incubation time when waterlogged incubation plus intermittent leaching was used.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s12665-009-0130-5</doi><tpages>10</tpages></addata></record> |
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| subjects | Aquatic ecosystems Biogeochemical cycles Biogeochemistry Biogeosciences Earth and Environmental Science Earth Sciences Earth, ocean, space Environmental science Environmental Science and Engineering Exact sciences and technology Geochemistry Geology Hydrology Hydrology. Hydrogeology Hydrology/Water Resources Lakes Leaching Mineralization Mineralogy Nitrogen Organic contaminants Organic matter Organic nitrogen Organic phosphorus Original Article Phosphorus Phosphorus cycle Sediment pollution Sediments Silicates Soil and rock geochemistry Terrestrial Pollution Water geochemistry |
| title | Nitrogen and phosphorus mineralization in sediments of Taihu Lake after the removal of light fraction organic matter |
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