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The effect of organic matter accumulation on phosphorus release in sediment of Chinese shallow lakes
Liu, Yunbing1,2; Guo, Yaxin1,2; Song, Chunlei1; Xiao, Wenjuan1,2; Huang, Daizhong1,2; Cao, Xiuyun1; Zhou, Yiyong1; Zhou, YY, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2009
Source PublicationFUNDAMENTAL AND APPLIED LIMNOLOGY
ISSN1863-9135
Volume175Issue:2Pages:143-150
AbstractThe effects of organic matter in sediment on phosphorus release were studied by field investigations in eight Chinese shallow freshwater lakes with different trophic status and a laboratory experiment. The sediment organic matter content paralleled the trophic status, ranging from 6.1 to 173.0 g kg(-1) (dry weight), with the mean value of 63.1 g kg(-1) (dry weight). It was positively proportional to Soluble reactive phosphorus concentration in the interstitial water in a form of exponential function, but inversely related to the sediment Fe/P ratio. The sediment alkaline phosphatase activity was significantly related not only to the organic matter content (r = 0.829, P < 0.01, n = 120), but also to the soluble reactive phosphorus concentration in interstitial water (r = 0.454, P < 0.01, n = 42). In the laboratory experiment, the addition of organic matter (dry materials of an aquatic macrophyte) into the sediment significantly enhanced alkaline phosphatase activity and soluble reactive phosphorus release. However, in the treatment with organic matter added and aeration, this release was generally prevented in spite of an increase in APA. Hence, sediment organic matter can effectively accelerate phosphorus release by enzymatic hydrolysis and anaerobic desorption. The latter mechanism seems to be more important.; The effects of organic matter in sediment on phosphorus release were studied by field investigations in eight Chinese shallow freshwater lakes with different trophic status and a laboratory experiment. The sediment organic matter content paralleled the trophic status, ranging from 6.1 to 173.0 g kg(-1) (dry weight), with the mean value of 63.1 g kg(-1) (dry weight). It was positively proportional to Soluble reactive phosphorus concentration in the interstitial water in a form of exponential function, but inversely related to the sediment Fe/P ratio. The sediment alkaline phosphatase activity was significantly related not only to the organic matter content (r = 0.829, P < 0.01, n = 120), but also to the soluble reactive phosphorus concentration in interstitial water (r = 0.454, P < 0.01, n = 42). In the laboratory experiment, the addition of organic matter (dry materials of an aquatic macrophyte) into the sediment significantly enhanced alkaline phosphatase activity and soluble reactive phosphorus release. However, in the treatment with organic matter added and aeration, this release was generally prevented in spite of an increase in APA. Hence, sediment organic matter can effectively accelerate phosphorus release by enzymatic hydrolysis and anaerobic desorption. The latter mechanism seems to be more important.
SubtypeArticle
KeywordOrganic Matter Alkaline Phosphatase Phosphorus Release Sediment Anaerobic Condition Shallow Lakes Eutrophication
Department[Liu, Yunbing; Guo, Yaxin; Song, Chunlei; Xiao, Wenjuan; Huang, Daizhong; Cao, Xiuyun; Zhou, Yiyong] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Liu, Yunbing; Guo, Yaxin; Xiao, Wenjuan; Huang, Daizhong] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaLimnology ; Marine & Freshwater Biology
DOI10.1127/1863-9135/2009/0175-0143
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectLimnology ; Marine & Freshwater Biology
WOS IDWOS:000270773100004
WOS KeywordALKALINE-PHOSPHATASE ACTIVITY ; INTERSTITIAL WATER ; EUTROPHICATION ; DYNAMICS ; EXCHANGE ; RIVER
Funding OrganizationNational Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005] ; National Natural Science Foundation of China [40730528]; Chinese Academy of Sciences [kzcx2-yw-426-01]; National Basic Research Program of China [2008CB418005]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7552
Collection期刊论文
Corresponding AuthorZhou, YY, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
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Liu, Yunbing,Guo, Yaxin,Song, Chunlei,et al. The effect of organic matter accumulation on phosphorus release in sediment of Chinese shallow lakes[J]. FUNDAMENTAL AND APPLIED LIMNOLOGY,2009,175(2):143-150.
APA Liu, Yunbing.,Guo, Yaxin.,Song, Chunlei.,Xiao, Wenjuan.,Huang, Daizhong.,...&Zhou, YY, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2009).The effect of organic matter accumulation on phosphorus release in sediment of Chinese shallow lakes.FUNDAMENTAL AND APPLIED LIMNOLOGY,175(2),143-150.
MLA Liu, Yunbing,et al."The effect of organic matter accumulation on phosphorus release in sediment of Chinese shallow lakes".FUNDAMENTAL AND APPLIED LIMNOLOGY 175.2(2009):143-150.
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