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Removal of Nitrogen and Phosphorus from Fluctuating Degraded Riverine Wetland Water Using Sphagnum Floating Bed
H. Li, Z. F. Chi, B. X. Yan, V. Chakov and V. Kuptsov; Yan BX(阎百兴)
2017
发表期刊Fresenius Environmental Bulletin
卷号26期号:4页码:3014-3019
摘要Riverside wetland in the lower reaches of Songhua River has suffered intense damage resulting in rapid degeneration of the water purification system related to human destruction and water pollution. Violent fluctuations in water levels may lead to worsening water quality effects and destruction of plant growth. Ecological floating beds provide an effective way to overcome the problems, yet limited information regarding Sphagnum purification has been obtained in the open water environment. The ability of Sphagnum survival and its correlation to nutrients enrichment in violently fluctuating riverside wetland water as applied to the ecological floating bed are investigated in this study. Ecological floating beds, with Sphagnum fallax and Sphagnum squarossum, were chosen for nitrogen (N) and phosphorus (P) enrichment. The results indicated that changes of water quality (high N low P, low N high P) resulting from water level fluctuations in test areas were beneficial for the survival of Sphagnum species, especially in flood periods that high carbon content of water could effectively stimulate the growth of Sphagnum species. Following four months of field tests, the amounts of N and P enrichment in Sphagnum squarossum were 2.29 and 0.82 mg/g dry weight, respectively, while in Sphagnum fallax were 1.98 and 0.64 mg/g dry weight. N enrichment was superior to P for both Sphagnum moss types. The release of nutrients, especially P, can be controlled effectively by harvesting Sphagnum species in early winter. This study could be useful for improved understanding of water restoration in violent fluctuating degraded riverine wetland by eutrophic Sphagnum mosses.
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/7600
专题湿地与全球变化学科组
通讯作者Yan BX(阎百兴)
推荐引用方式
GB/T 7714
H. Li, Z. F. Chi, B. X. Yan, V. Chakov and V. Kuptsov,Yan BX. Removal of Nitrogen and Phosphorus from Fluctuating Degraded Riverine Wetland Water Using Sphagnum Floating Bed[J]. Fresenius Environmental Bulletin,2017,26(4):3014-3019.
APA H. Li, Z. F. Chi, B. X. Yan, V. Chakov and V. Kuptsov,&阎百兴.(2017).Removal of Nitrogen and Phosphorus from Fluctuating Degraded Riverine Wetland Water Using Sphagnum Floating Bed.Fresenius Environmental Bulletin,26(4),3014-3019.
MLA H. Li, Z. F. Chi, B. X. Yan, V. Chakov and V. Kuptsov,et al."Removal of Nitrogen and Phosphorus from Fluctuating Degraded Riverine Wetland Water Using Sphagnum Floating Bed".Fresenius Environmental Bulletin 26.4(2017):3014-3019.
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