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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/25331


    標題: Plant growth and the performance of mangrove wetland microcosms for mariculture effluent depuration
    作者: Yung-Ming Su
    Ying-Feng Lin
    Shuh-Ren Jing
    Ping-Chun Lucy Hou
    貢獻者: 環境工程與科學系
    關鍵字: Constructed wetland
    Mariculture effluent
    Aquaculture wastewater
    Hydraulic residence time
    Mangroves
    日期: 2010-01
    上傳時間: 2012-05-31 09:57:44 (UTC+8)
    摘要: This study established wetland microcosms that were either unplanted or planted in monoculture with native mangrove species in Taiwan (Avicennia marina, Rhizophora stylosa, and Lumnitzera racemosa) for the purpose of receiving high-salinity mariculture effluents; additionally, the microcosms operated at different hydraulic retention times (HRTs). Plant growth and the performance of the microcosms with respect to pollutant removal were investigated. The results showed that seedlings of all three mangrove species survived and grew sufficiently well under continuous flooding. The presence of mangroves consistently improved SS, BOD5, and TP removal, particularly under short HRT conditions. The mangrove microcosms removed pollutants from the mariculture effluents with efficiencies of 5.7–27.1% (SS), 4.9–36.3% (BOD5), 18.7–29.9% (TP), 21.2–49.8% (NH4-N), and 5.4–37.7% (NOx-N). A. marina and L. racemosa were more tolerant of continuous flooding than R. stylosa. However, no species displayed consistently superior performance in decreasing all pollutant-related parameters investigated. For all pollutants, microcosms operating at a 2-d HRT exhibited a higher removal efficiency than those operating at a 0.5-d HRT.
    Appears in Collections:[環境工程與科學系(所)] 期刊論文

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