Comparative Study on Purification Characteristics of Various Submerged Macrophyte Species in Different Seasons

Japanese Journal of Water Treatment Biology Pub Date : 2013-03-15 DOI:10.2521/JSWTB.49.11

Zhijiang Lu, Jieming Li, R. Inamori, Kaiqin Xu, N. Sugiura, Y. Inamori

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引用次数: 1

Abstract

Based on macrophyte-buffering improvement methods, this study compared the capability of water quality purification among seven submerged macrophytes through continuous tests. No significant difference in nitrogen and phosphorus removal for each submerged macrophyte species at the water temperature ranging from 15°C to 25°C, while slight reduction in removal capability was observed at the water temperature less than 15°C and more than 25°C. The results showed that the removal capabilities were stable in the constructed biological system (CBS) with Ceratophyllum demersum. At low water temperature, the removal capability remained within a certain level in the CBSs with Potamogeton malaianus, Ceratophyllum demersum, Myriophyllum spicatum, Potamogeton oxyphyllus. Among the seven macrophyte species, the strongest affinity with zooplankton was observed for Ceratophyllum demersum. Accrording to the eological insight, cultivation of Ceratophyllum demersum is of prime importance during initial macrophyte-planting in eutrophic waters, because of its strong purification capability and affinity with zooplankton.

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不同季节不同沉水植物净化特性的比较研究

本研究基于大型植物缓冲改善方法，通过连续试验比较了7种沉水大型植物的水质净化能力。在15 ~ 25℃水温范围内，各淹没植物对氮、磷的去除率无显著差异，而在低于15℃和高于25℃水温范围内，各淹没植物对氮、磷的去除率略有下降。结果表明，在以毛霉为原料构建的生物系统(CBS)中，其去除效果稳定。在较低的水温条件下，malaigeton、Ceratophyllum demersum、Myriophyllum spicatum、oxyphylloton的去除率保持在一定水平。在7种大型植物中，与浮游动物亲和性最强的是长尾角藻。根据生态学的观点，在富营养化水域的大型植物种植初期，由于角藻具有很强的净化能力和与浮游动物的亲和力，因此培养角藻是至关重要的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Japanese Journal of Water Treatment Biology

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