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Construction of Biologically Productive Artificial Tidal Flats with Solidified Sea Bottom Sediments

机译:凝固海底沉积物的生物生产人工潮滩的建设

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Ago Bay is a typical enclosed coastal sea that is connected to the Pacific Ocean via a very narrow and shallow entrance. The bay has been organically contaminated by the practice of culturing pearls, which has been ongoing for the past 110 years. To address this problem, a new technology — the Hi-Biah-System (HBS) —, which dewaters muddy dredged sediments and changes the muddy sediments for raw materials of tidal flat, was introduced in 2005. The solidified product from the sediments with the HBS was used to construct the tidal flat. The purpose of this study was to evaluate the environmental conditions of the constructed tidal flat 2 years after its construction. We monitored the physico-chemical (oxidation?reduction potential, acid volatile sulphide, loss on ignition, water content, total organic carbon, total nitrogen, chlorophyll a, and particle size) and biological characteristics of a constructed tidal flat (five sections) and a natural tidal flat (six points). At the same tidal level, the physico-chemical parameters were similar among the constructed and the natural tidal flats. However, the biomass and macrobenthic population were higher in the constructed flat compared to the natural one. According to the findings of this study it can be concluded that the solidified products from the sediments with the HBS could provide useful materials for constructing the tidal coastal environment.
机译:前湾是典型的封闭式沿海海域,通过非常狭窄的浅水入口与太平洋相连。在过去的110年中,该海湾一直受到养殖珍珠的做法的有机污染。为了解决这个问题,2005年推出了一项新技术,即Hi-Biah系统(HBS),该技术可以使淤泥疏dr的沉积物脱水,并改变滩涂原料的淤泥沉积物。使用HBS建造潮滩。这项研究的目的是评估建造后2年的潮汐滩涂的环境条件。我们监测了建成的潮滩(五个部分)的物理化学特性(氧化还原电位,酸挥发性硫化物,灼烧损失,水分,总有机碳,总氮,叶绿素a和粒径)和生物学特性。自然的潮滩(六分)。在相同的潮汐水平下,人工和自然潮滩之间的理化参数相似。但是,人工建造的公寓中的生物量和大型底栖动物数量要高于自然公寓。根据这项研究的发现,可以得出结论,使用HBS沉积物产生的固化产物可以为构建潮汐沿海环境提供有用的材料。

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