Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes
Seagrass leaf litters are an important source of sediment organic carbon（SOC）. However, the mechanisms of seagrass leaf litter decomposition influencing SOC composition and the key transformation processes remain unknown. We performed a laboratory chamber experiment to compare the labile organic car...
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| Veröffentlicht in: | Science China. Earth sciences 2017-12, Vol.60 (12), p.2108-2117 |
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| creator | Liu, SongLin Jiang, ZhiJian Deng, YiQin Wu, YunChao Zhao, ChunYu Zhang, JingPing Shen, Yuan Huang, XiaoPing |
| description | Seagrass leaf litters are an important source of sediment organic carbon（SOC）. However, the mechanisms of seagrass leaf litter decomposition influencing SOC composition and the key transformation processes remain unknown. We performed a laboratory chamber experiment to compare the labile organic carbon（OC） composition and the enzyme activities governing SOC transformation between the seagrass group（seagrass leaf litter addition） and the control group. The results showed that the seagrass leaf litter decomposition significantly elevated the salt-extractable carbon（SEC） content and the SEC/SOC. Additionally,the levels of invertase, polyphenol oxidase, and cellulase in the seagrass leaf litters addition group were generally higher than in the control group, which could elevate recalcitrant OC decomposition. Following 24 days incubation, addition of seagrass leaf litter increased the amount of CO_2 released, but decreased the SOC content. Therefore, seagrass leaf litter decomposition leached abundant dissolved OC, which enhanced the activity and transformation of SOC. |
| doi_str_mv | 10.1007/s11430-017-9147-4 |
| format | Article |
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However, the mechanisms of seagrass leaf litter decomposition influencing SOC composition and the key transformation processes remain unknown. We performed a laboratory chamber experiment to compare the labile organic carbon（OC） composition and the enzyme activities governing SOC transformation between the seagrass group（seagrass leaf litter addition） and the control group. The results showed that the seagrass leaf litter decomposition significantly elevated the salt-extractable carbon（SEC） content and the SEC/SOC. Additionally,the levels of invertase, polyphenol oxidase, and cellulase in the seagrass leaf litters addition group were generally higher than in the control group, which could elevate recalcitrant OC decomposition. Following 24 days incubation, addition of seagrass leaf litter increased the amount of CO_2 released, but decreased the SOC content. Therefore, seagrass leaf litter decomposition leached abundant dissolved OC, which enhanced the activity and transformation of SOC.</description><identifier>ISSN: 1674-7313</identifier><identifier>EISSN: 1869-1897</identifier><identifier>DOI: 10.1007/s11430-017-9147-4</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Carbon ; Carbon dioxide ; Cellulase ; Decomposition ; Earth and Environmental Science ; Earth Sciences ; Enzymatic activity ; Enzymes ; Flowers & plants ; Grasses ; Incubation period ; Invertase ; Leaching ; Leaf litter ; Leaves ; Litter ; Organic carbon ; Organic chemistry ; Polyphenol oxidase ; Research Paper ; Sea grasses ; Sediment ; Sediments</subject><ispartof>Science China. Earth sciences, 2017-12, Vol.60 (12), p.2108-2117</ispartof><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2017</rights><rights>Copyright Springer Science & Business Media Dec 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-2feafda22711ebad82724185e4ac121b2e1f9e69ee8b1dd94acf2fa5c56619093</citedby><cites>FETCH-LOGICAL-c343t-2feafda22711ebad82724185e4ac121b2e1f9e69ee8b1dd94acf2fa5c56619093</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/60111X/60111X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11430-017-9147-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11430-017-9147-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Liu, SongLin</creatorcontrib><creatorcontrib>Jiang, ZhiJian</creatorcontrib><creatorcontrib>Deng, YiQin</creatorcontrib><creatorcontrib>Wu, YunChao</creatorcontrib><creatorcontrib>Zhao, ChunYu</creatorcontrib><creatorcontrib>Zhang, JingPing</creatorcontrib><creatorcontrib>Shen, Yuan</creatorcontrib><creatorcontrib>Huang, XiaoPing</creatorcontrib><title>Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes</title><title>Science China. Earth sciences</title><addtitle>Sci. China Earth Sci</addtitle><addtitle>SCIENCE CHINA Earth Sciences</addtitle><description>Seagrass leaf litters are an important source of sediment organic carbon（SOC）. However, the mechanisms of seagrass leaf litter decomposition influencing SOC composition and the key transformation processes remain unknown. We performed a laboratory chamber experiment to compare the labile organic carbon（OC） composition and the enzyme activities governing SOC transformation between the seagrass group（seagrass leaf litter addition） and the control group. The results showed that the seagrass leaf litter decomposition significantly elevated the salt-extractable carbon（SEC） content and the SEC/SOC. Additionally,the levels of invertase, polyphenol oxidase, and cellulase in the seagrass leaf litters addition group were generally higher than in the control group, which could elevate recalcitrant OC decomposition. Following 24 days incubation, addition of seagrass leaf litter increased the amount of CO_2 released, but decreased the SOC content. Therefore, seagrass leaf litter decomposition leached abundant dissolved OC, which enhanced the activity and transformation of SOC.</description><subject>Carbon</subject><subject>Carbon dioxide</subject><subject>Cellulase</subject><subject>Decomposition</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Enzymatic activity</subject><subject>Enzymes</subject><subject>Flowers & plants</subject><subject>Grasses</subject><subject>Incubation period</subject><subject>Invertase</subject><subject>Leaching</subject><subject>Leaf litter</subject><subject>Leaves</subject><subject>Litter</subject><subject>Organic carbon</subject><subject>Organic chemistry</subject><subject>Polyphenol oxidase</subject><subject>Research Paper</subject><subject>Sea grasses</subject><subject>Sediment</subject><subject>Sediments</subject><issn>1674-7313</issn><issn>1869-1897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UU1LAzEQXURBqf4Ab0HPq5kk3WyOUuoHFLzoOaTZSd3abmomPfTfm9oinhwGJsy8Ny-8qapr4HfAub4nACV5zUHXBpSu1Ul1AW1jamiNPi3vRqtaS5Dn1RXRkpeQZSL0RbWbhoA-E4uBEbpFckRshS6wVZ8zJtahj-tNpD73cWAlCbt-jUNmMS3c0HvmXZqX_l-YGzqWP5B94o7l5AYKMa3dz2iTokcipMvqLLgV4dWxjqr3x-nb5LmevT69TB5mtZdK5lqE8pnOCaEBcO66VmihoB2jch4EzAVCMNgYxHYOXWdKO4jgxn7cNGC4kaPq9rC3KH9tkbJdxm0aiqQF02hjGqnagoIDyqdIlDDYTerXLu0scLs32R5MtsVkuzfZqsIRBw4V7LDA9GfzP6Sbo9BHHBZfhferVK7EoRWg5TdOao2L</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Liu, SongLin</creator><creator>Jiang, ZhiJian</creator><creator>Deng, YiQin</creator><creator>Wu, YunChao</creator><creator>Zhao, ChunYu</creator><creator>Zhang, JingPing</creator><creator>Shen, Yuan</creator><creator>Huang, XiaoPing</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</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>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>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20171201</creationdate><title>Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes</title><author>Liu, SongLin ; 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Earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, SongLin</au><au>Jiang, ZhiJian</au><au>Deng, YiQin</au><au>Wu, YunChao</au><au>Zhao, ChunYu</au><au>Zhang, JingPing</au><au>Shen, Yuan</au><au>Huang, XiaoPing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes</atitle><jtitle>Science China. Earth sciences</jtitle><stitle>Sci. China Earth Sci</stitle><addtitle>SCIENCE CHINA Earth Sciences</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>60</volume><issue>12</issue><spage>2108</spage><epage>2117</epage><pages>2108-2117</pages><issn>1674-7313</issn><eissn>1869-1897</eissn><abstract>Seagrass leaf litters are an important source of sediment organic carbon（SOC）. However, the mechanisms of seagrass leaf litter decomposition influencing SOC composition and the key transformation processes remain unknown. We performed a laboratory chamber experiment to compare the labile organic carbon（OC） composition and the enzyme activities governing SOC transformation between the seagrass group（seagrass leaf litter addition） and the control group. The results showed that the seagrass leaf litter decomposition significantly elevated the salt-extractable carbon（SEC） content and the SEC/SOC. Additionally,the levels of invertase, polyphenol oxidase, and cellulase in the seagrass leaf litters addition group were generally higher than in the control group, which could elevate recalcitrant OC decomposition. Following 24 days incubation, addition of seagrass leaf litter increased the amount of CO_2 released, but decreased the SOC content. Therefore, seagrass leaf litter decomposition leached abundant dissolved OC, which enhanced the activity and transformation of SOC.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11430-017-9147-4</doi><tpages>10</tpages></addata></record> |
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| subjects | Carbon Carbon dioxide Cellulase Decomposition Earth and Environmental Science Earth Sciences Enzymatic activity Enzymes Flowers & plants Grasses Incubation period Invertase Leaching Leaf litter Leaves Litter Organic carbon Organic chemistry Polyphenol oxidase Research Paper Sea grasses Sediment Sediments |
| title | Effects of seagrass leaf litter decomposition on sediment organic carbon composition and the key transformation processes |
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