Plant growth and the performance of mangrove wetland microcosms for mariculture effluent depuration

doi:10.1016/j.marpolbul.2011.04.015

CNU IR > College of Sustainable Environment and Recreation > Dept. of Environmental Engineering and Science (including master's program) > Periodical Articles > Item 310902800/26979

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题名:	Plant growth and the performance of mangrove wetland microcosms for mariculture effluent depuration
作者:	Sua, Yung-Ming Lin, Ying-Feng Jing, Shuh-Ren Hou, Ping-Chun Lucy
贡献者:	環境工程與科學系
关键词:	Constructed wetland Mariculture effluent Aquaculture wastewater Hydraulic residence time Mangroves
日期:	2011-07
上传时间:	2013-10-16 09:08:34 (UTC+8)
出版者:	Elsevier
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.
關聯:	Marine Pollution Bulletin. Submitted, 62(7), pp.141-146
显示于类别:	[Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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