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RELEASE PATTERNS OF NITROGEN AND PHOSPHORUS FROM LAKE SEDIMENT AS AFFECTED BY ORGANIC MATTER AND CHIRONOMIDS LARVAE
Huang Daizhong; Ji Lei; Zhou Chun; Song Chunlei; Cao Xiuyun; Zhou Yiyong; Zhou Yiyong,Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu S Rd, Wuhan 430072, Hubei, Peoples R China; zhouyy@ihb.ac.cn
2011
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
ISSN1018-4619
Volume20Issue:8Pages:1880-1887
AbstractSediment of eutrophic lakes was characterized by higher organic matter (OM) content with chironomids being the common species. Hence, effects of these two factors and their interaction on sediment nutrient release are of great ecological significance. These effects under the underlying mechanisms were examined by laboratory experiments using the sediment in a Chinese shallow lake (Lake Tuanhu) in this study. The input of the OM (algal detritus) brought about significant increases in concentrations of total, particulate and soluble reactive phosphorus (SRP) and ammonia in overlying water within a similar time span. These releases were largely depressed by aeration, but greatly enhanced with an additional involvement of the larvae of Chironomus plumosus. Therefore, the OM and chironomids acted in concert to promote nutrient releases, and the onset of anaerobic conditions was a common mechanism. Additionally, there existed a significant relationship between the OM content and alkaline phosphatase activity (APA) in sediments suggesting the activated enzymatic hydrolysis to be another mechanism driving SRP release while APA remained unchanged with addition of chironomids. Noticeably, when the OM and chironomids larvae co-occurred, aeration provided the overlying water with the highest concentrations of SRP and ammonia, which was followed by nitrite and nitrate at the earlier incubation stage. Under the oxic conditions, the larvae may excrete more SRP and ammonia with the latter being gradually shifted along the pathway of nitrification. Thus, for the recovery of eutrophic lakes with the sediments enriched by OM and chironomids, aeration should be cautiously applied.
KeywordLake Sediment Nitrogen Phosphorus Organic Matter Chironomus Plumosus Larvae Aeration
Department[Huang, DZ; Ji, L; Zhou, C; Song, CL; Cao, XY; Zhou, YY] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; [Huang, DZ; Ji, L; Zhou, C] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Subject AreaEnvironmental Sciences & Ecology
Funding OrganizationNational Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10]
Indexed BySCI
Language英语
WOS IDWOS:000294318900002
Funding OrganizationNational Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10] ; National Natural Science Foundation of China[40730528, 41073066]; Chinese Academy of Sciences[KZCX1-YW-14-1]; State Key Laboratory of Freshwater Ecology and Biotechnology[2009FBZ10]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16345
Collection水环境工程研究中心_期刊论文
Corresponding AuthorZhou Yiyong,Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu S Rd, Wuhan 430072, Hubei, Peoples R China; zhouyy@ihb.ac.cn
Recommended Citation
GB/T 7714
Huang Daizhong,Ji Lei,Zhou Chun,et al. RELEASE PATTERNS OF NITROGEN AND PHOSPHORUS FROM LAKE SEDIMENT AS AFFECTED BY ORGANIC MATTER AND CHIRONOMIDS LARVAE[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2011,20(8):1880-1887.
APA Huang Daizhong.,Ji Lei.,Zhou Chun.,Song Chunlei.,Cao Xiuyun.,...&zhouyy@ihb.ac.cn.(2011).RELEASE PATTERNS OF NITROGEN AND PHOSPHORUS FROM LAKE SEDIMENT AS AFFECTED BY ORGANIC MATTER AND CHIRONOMIDS LARVAE.FRESENIUS ENVIRONMENTAL BULLETIN,20(8),1880-1887.
MLA Huang Daizhong,et al."RELEASE PATTERNS OF NITROGEN AND PHOSPHORUS FROM LAKE SEDIMENT AS AFFECTED BY ORGANIC MATTER AND CHIRONOMIDS LARVAE".FRESENIUS ENVIRONMENTAL BULLETIN 20.8(2011):1880-1887.
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