[1]何玉实,王筱平,何彤慧,等.水深、光照对三种沉水植物生长特征及除氮效果的影响[J].北方园艺,2022,(22):81-90.[doi:10.11937/bfyy.20221550]
　HE Yushi,WANG Xiaoping,HE Tonghui,et al.Effects of Water Depth and Light on Growth Characteristics and Nitrogen Removal Efficiency of Three Submerged Plants[J].Northern Horticulture,2022,(22):81-90.[doi:10.11937/bfyy.20221550]
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水深、光照对三种沉水植物生长特征及除氮效果的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2022年22 页码: 81-90 栏目: 出版日期: 2022-11-30
Title:
Effects of Water Depth and Light on Growth Characteristics and Nitrogen Removal Efficiency of Three Submerged Plants
作者:
何玉实1; 2; 王筱平3; 何彤慧1; 2; 赵明涛1; 2; 王超群1; 2
（1.宁夏大学 生态环境学院，宁夏 银川 750021；2.宁夏大学 绿洲湿地生态实验室，宁夏 银川 750021；3.银川湿地保护中心，宁夏 银川 750021）
Author(s):
HE Yushi1; 2; WANG Xiaoping3; HE Tonghui1; 2; ZHAO Mingtao1; 2; WANG Chaoqun1; 2
(1.College of Ecological Environment，Ningxia University,Yinchuan,Ningxia 750021；2.Laboratory of Oasis Wetland Ecology，Ningxia University,Yinchuan,Ningxia 750021；3.Wetland Protection Center of Yinchuan,Yinchuan，Ningxia 750021)
关键词:
水深; 光照; 沉水植物; 净化作用
Keywords:
water depth; light; submerged plant; purification effect
DOI:
10.11937/bfyy.20221550
文献标志码:
A
摘要:
以宁夏典型沉水植物大茨藻、狐尾藻和篦齿眼子菜为试材，采用室内控制试验的方法，研究了不同水深（60、40、20 cm）和遮光条件（30%、60%、100%）对3种沉水植物的形态特征和除氮情况的影响，以期为沉水植物的引种和净化作用提供参考依据。结果表明：大茨藻、狐尾藻和篦齿眼子菜的多度、存活率随水深的增加而逐渐减少，其株高、株径和水深成反比例关系；而在遮光处理中，大茨藻和狐尾藻的多度、盖度和存活率的变化趋势相等，均为30%＞100%＞60%；在2种试验中，狐尾藻的除氮率均为最大，分别为99.50%、60.67%，最大净化量为11.43 L，且均衡性最高，相对其它植物更加稳定。建议在日后北方地区进行生物净化工程时，优先选择狐尾藻为建群种。
Abstract:
The typical submerged plants of Ningxia，Najas marina L.，Myriophyllum verticillatum L. and Potamogeton pectinatus L. were used as experimental materials.The effects of different water depths (60，40，20 cm) and shading conditions (30%，60%，100%) on the morphological characteristics and nitrogen removal of three submerged plants were studied by controlled laboratory experiments，in order to provide reference for the introduction and purification of submerged plants.The results showed that the abundance and survival rate of Najas marina L.，Myriophyllum verticillatum L. and Potamogeton pectinatus L. decreased with the increase of water depth，and the plant height，plant diameter and water depth were inversely proportional.In the shading treatment，the change trend of abundance，coverage and survival rate of Najas marina L. and Myriophyllum verticillatum L. were equal，which were 30%>100%>60%.In the two experiments，the nitrogen removal rates of Myriophyllum verticillatum L. were the highest，which were 99.50% and 60.67%，respectively，and the maximum purification capacity was 11.43 L，and the equilibrium was the highest，which was more stable than other plants.It is suggested that in the future biological purification project in the northern area，the preferred species for the construction group is Myriophyllum verticillatum L..

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备注/Memo

第一作者简介：何玉实（1997-），男，硕士研究生，研究方向为湿地生态修复。E-mail：447142844@qq.com.责任作者：何彤慧（1964-），女，博士，教授，现主要从事湿地监测与恢复等研究工作。E-mail：hetonghui@163.com.基金项目：国家自然科学基金资助项目(41761102)；宁夏自然科学基金资助项目(2020AAC03015)。收稿日期：2022-04-17

更新日期/Last Update: 2023-01-17