| 三种水（湿）生植物对浑河水质氮去除能力研究 |
| Effects of Three Hydrophytes on Removal of Nitrogen in Hunhe River |
| 投稿时间：2013-05-04 修订日期：2013-05-23 |
| DOI： |
| 中文关键词:水生植物 营养去除增效 总氮 氨氮 |
| 英文关键词:Acorus calamus Iris pseudacorus Iris sanguinea nutrient removal efficiency nitrogen |
| 基金项目:国家科技支撑计划课题“城市绿地生态服务功能提升技术及示范(2012BAC05B05) 和 国家水体污染控制科技重大专项课题“浑河上游水环境修复与生态水维持技术集成与示范”(2012ZX07202-008) |
| 作者 | 单位 | E-mail | | 宋红 | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164；中国科学院大学， 北京 100049 | jdsonghong@163.com | | 陈玮* | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164； | chenwei5711@163.com | | 何兴元 | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164； | hexy@iae.ac.cn | | 刘周莉 | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164； | liuzhouli@gmail.com | | 黄彦青 | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164； | huangyanqing@iae.ac.cn | | 于帅 | 森林与土壤生态国家重点试验室, 中国科学院沈阳应用生态研究所, 沈阳 110164；中国科学院大学， 北京 100049 | chenwei5711@163.com |
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| 中文摘要: |
| 以黄菖蒲、菖蒲和溪荪鸢尾3种常见水生植物为材料，通过室内水培试验研究了对不同程度富营养化水体中氮的去除能力。根据浑河水体富营养化状态，设置了2种处理：W0处理（低浓度）总氮15 mg/L、氨氮7.5 mg/L， W1处理（高浓度）总氮60 mg/L、氨氮30 mg/L。结果表明：3种植物对总氮氨氮都有较好的去除效果。在高低浓度组中，黄菖蒲、菖蒲和溪荪鸢尾总氮去除率分别为71.17%、 95.03%，46.69%、78.31%和51.98%、80.34%；氨氮去除率分别为93.33%、69.37%，58.61%、97.33%和73.03%、84.00%。在低浓度处理中，总氮去除效果为黄菖蒲>溪荪鸢尾>菖蒲，氨氮去除效果为菖蒲>溪荪鸢尾>黄菖蒲；在高浓度处理中，总氮和氨氮去除效果均为黄菖蒲>溪荪鸢尾>菖蒲。黄菖蒲较适用于氮污染形式主要为氨氮且浓度较高的富营养化水体，菖蒲适用于低浓度富营养水体中的氨氮去除。浑河水体富营养化问题中氨氮浓度较高，应优先选择黄菖蒲。3种水生植物都是在前2周就已经发挥了较大的去除作用，在后2周内去除效果并不明显。黄菖蒲和溪荪鸢尾2种植物的营养去除增效均在第17～23天达到最大值。 |
| 英文摘要: |
| The removal capacity of three aquatic plants (Iris pseudacorus, Acorus calamus and Iris sanguinea) on nitrogen was investigated through indoor hydroponic experiment. The experiments were performed under controlled conditions wherein the plants were grown in two different nutrient concentrations according to the eutrophication status of Hunhe River (W0:TN=15mg/L-1, NH4+-N=7.5mg/L-1 and W1:TN=60mg/L-1, NH4+-N=30mg/L-1). The results showed that three aquatic plants all displayed excellent removal capacity on total nitrogen and ammonia nitrogen in the two treatments. The removal rates of TN in W1 and W0 were 71.17%, 95.03% by Iris pseudacorus, 46.69%, 78.31% by Acorus calamus, 51.98%, 80.34% by Iris sanguinea, respectively. Meanwhile, the removal rates of NH4+-N by Iris pseudacorus, Acorus calamus and Iris sanguinea were 93.33% and 69.37%, 58.61% and 97.33%, 73.03% and 84.00%, respectively. In the treatment of low concentration, the removal efficiency of TN was in the order of Iris pseudacorus ＞Iris sanguinea＞Acorus calamus, and the order of removal efficiency of NH4+-N was Acorus calamus＞Iris sanguinea＞Iris pseudacorus. While in the treatment of high concentration, the removal efficiencies of TN and NH4+-N were both in the order of Iris pseudacorus ＞Iris sanguinea＞Acorus calamus. In general, Iris pseudacorus was suitable for the purification of eutrophic water body with high concentration of NH4+-N, Acorus calamus was suitable for the purification of eutrophic water body with low concentration of NH4+-N. Therefore, Iris pseudacorus is suggested for the removal of nitrogen in Hunhe River because of the high concentration of NH4+-N in its eutrophic water body. Removal effect of the three aquatic plants was obvious in the first two weeks and the maximum nutrient removal efficiency (NRE) of Iris pseudacorus and Iris sanguine was observed from 17d to 23d in the experiment.
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| 宋红,陈玮,何兴元,刘周莉,黄彦青,于帅.2014.三种水（湿）生植物对浑河水质氮去除能力研究[J].水生态学杂志,35(2):14-19. |
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