[1]龚龙,韩士群,周庆.水生植物对螃蟹养殖水体原位修复及其强化净化效果[J].江苏农业学报,2015,(02):342-349.[doi:10.3969/j.issn.1000-4440.2015.02.019]
　GONG Long,HAN Shi-qun,ZHOU Qing.In situ remediation of crab aquatic water with aquatic plants and its purification enhancing effect[J].,2015,(02):342-349.[doi:10.3969/j.issn.1000-4440.2015.02.019]
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水生植物对螃蟹养殖水体原位修复及其强化净化效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年02期
页码:
342-349
栏目:
耕作栽培·资源环境
出版日期:
2015-04-30

文章信息/Info

Title:
In situ remediation of crab aquatic water with aquatic plants and its purification enhancing effect
作者:
龚龙12; 韩士群2; 周庆2
（1.南京农业大学资源与环境科学学院，江苏南京210095；2.江苏省农业科学院农业资源与环境研究所，江苏南京210014）
Author(s):
GONG Long12; HAN Shi-qun2; ZHOU Qing2
(1.College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095,China;2.Institute of Agricultural Resource and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing 210014,China)
关键词:
螃蟹养殖水; 水生植物生物量; 原位修复; 强化净化 
Keywords:
crab aquaculture; biomass of aquatic plant; in situ remediation; enhanced purification
分类号:
S949
DOI:
10.3969/j.issn.1000-4440.2015.02.019
文献标志码:
A
摘要:
为研究水生植物对养殖水体原位修复及逐级强化净化效果，以野外实地监测的方式，在螃蟹池塘中设置不同生物量的伊乐藻和水花生进行原位修复试验，并设置养殖池塘尾水逐级经过高密度的水生植物进行强化净化试验，并分析水体理化指标。结果显示：原位修复池塘中，伊乐藻和水花生对池塘养殖水体中氨氮、总氮、总磷的最大去除率分别为68.52%、67.65%、59.26%和66.26%、68.95%、50.00%；且植物平均生物量越大，氮、磷去除率越高。单位生物量的水花生对总氮、总磷的平均去除率都略高于单位生物量的伊乐藻；2种植物对总氮的平均去除率间差异极显著，而2种植物对总磷的平均去除率间差异显著。养殖尾水经强化净化塘处理后，水体的悬浮物、化学需氧量、氨氮、总氮和总磷浓度均下降，其最大去除率分别为65.09%、54.58%、57.61%、69.18%和86.49%，试验结束时净化塘出水可达到《太湖流域池塘养殖水排放标准》所规定的一级标准。
Abstract:
Different biomasses of Elodea nuttallii and Alternanthera philoxeroides were employed to carry out the in situ remediation test in the crab aquatic ponds. After that the wastewater gradually passed through the purification ponds which had been planted with high density aquatic plants for purification enhancing test. Different physico-chemical indexes of water from the ponds and purification enhancing effects were analyzed. During the in situ remediation experiment, the maximum removal rates of ammonia nitrogen (NH4+-N), total nitrogen （TN） and total phosphorus (TP) with Elodea nuttallii were 68.52%, 67.65% and 59.26%, respectively, and the maximum removal rates with Alternanthera philoxeroides were 66.26%, 68.95% and 50.00%, respectively. The more the biomass of aquatic plants, the higher the removal rates of nitrogen and phosphorus. The average removal rates of TN and TP by A. philoxeroides per unit biomass were a bit higher than those by Elodea nuttallii. Very significant difference (P<0.01) was detected for the average removal rate of TN between these two kinds of aquatic plants, while significant difference (P<0.05) was detected for that of TP. The concentrations of suspended solids, chemical oxygen demand（COD）, NH4+-N, TN and TP were further reduced after wastewater flowed through the enhanced purification ponds, and the maximum removal rates were 65.09%, 54.58%, 57.61%, 69.18% and 86.49%, respectively. All the indexes of the effluents flowing from enhanced purification ponds could meet the primary standard of Taihu Basin pond water discharge at the end of the experiments.〖JP〗

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期：2014-08-25 基金项目：国家水专项巢湖项目(2012ZX071O3-005) 作者简介：龚龙(1988-)，女，江西南昌人，硕士研究生，主要从事水体生态修复植物的资源化利用研究。(Te1)13645162050；(E-mail)1813815150@qq.com 通讯作者：韩士群，(E-mail)shqunh@126.com
更新日期/Last Update: 2015-04-30