Abstract:
This study aimed to construct an integrated aquaponics system combining Litopenaeus vannamei and Beta vulgaris var. cicla L, and evaluate its potential for nitrogen/phosphorus removal and resource utilization in aquaculture wastewater treatment. The system's effectiveness was investigated through monitoring water quality parameters (turbidity, NH₄⁺-N, NO₃⁻-N, NO₂⁻-N, TN, TP), assessing plant and shrimp growth patterns, and analyzing microbial community dynamics. Results demonstrated that the system achieved a maximum turbidity removal efficiency of 66.9 %. Peak removal efficiencies reached 68.6 % for NH₄⁺-N and 86.0% for NO₃⁻-N during mid-operation, while NO₂⁻-N concentrations remained stable at 0.10-1 mg/L. Both Beta vulgaris var. cicla L and Litopenaeus vannamei maintained normal growth, with the plants assimilating 20.6% of total nitrogen input and 15.4 % of phosphorus input. Microbial analysis revealed that Beta vulgaris var. cicla L promoted enrichment of functional microorganisms responsible for nitrogen and phosphorus removal. The system exhibited excellent nutrient removal performance mediated by synergistic plant-microbial interactions, providing a novel approach for resource utilization of aquaculture wastewater. These findings highlight the practical significance of shrimp-vegetable symbiosis systems in sustainable aquaculture wastewater management.
Key words:
shrimp-vegetable symbiosis system,
mariculture tail water,
Litopenaeus vannamei,
Beta vulgaris var. cicla L,
microbial diversity
摘要: 为构建虾菜共生复合种养系统,探讨其在养殖尾水脱氮除磷和资源化利用中的应用潜力。将凡纳滨对虾(Litopenaeus vannamei)与红叶甜菜(Beta vulgaris var. cicla L)结合,探究该系统在处理养殖尾水中的有效性。通过监测系统浊度、氨氮(NH4+-N)、硝酸盐氮(NO3--N)、亚硝酸盐氮(NO2--N)、总氮(TN)、总磷(TP)的去除效果,评估其脱氮除磷能力;监测植株、对虾的生长状态,探究系统的氮磷循环;分析系统微生物多样性,探究其脱氮除磷机制。结果显示,系统可显著降低浊度最高达66.9%。系统运行中期对氨氮、硝酸盐氮去除率最高分别为68.6%和86.0%;系统中亚硝酸盐氮总体含量较低,保持在0.10~1 mg/L。红叶甜菜和凡纳滨对虾均保持正常生长状态。植物吸收的氮、磷分别占输入总量的20.6%、 15.4%。红叶甜菜有利于系统富集具有脱氮除磷功能的微生物,实现养殖尾水水质净化。研究表明,虾菜共生复合种养系统具有良好脱氮除磷效果且微生物起到重要作用,该系统也为养殖尾水的资源化利用提供了新的视角,具有重要的实际应用意义。
关键词:
虾菜共生,
复合海水种养系统,
养殖尾水,
凡纳滨对虾,
红叶甜菜,
微生物多样性
SHAN Xiaoxue1, 2, LU Jian1, 2 , WU Jun3, WANG Jianhua1, ZHANG Cui1, DENG Chuanyan4. Nitrogen and phosphorus removal from aquaculture wastewater in a shrimp-vegetable symbiosis system#br#
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[J]. Fishery Modernization, 2025, 52(3): 62-.
单晓雪1, 2, 吕剑1, 2, 武君3, 王建华1, 张翠1, 邓传燕 4. 虾菜共生复合种养系统尾水脱氮除磷研究[J]. 渔业现代化, 2025, 52(3): 62-.