辽东湾芦苇湿地对陆源营养物质净化作用的初步研究

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通过廊道系统自净和lysimeter渗滤实验进行了辽东湾芦苇湿地对陆源营养物质净化作用的初步研究.结果表明,营养物质N、P和CODcr在廊道系统中的自净率为41.7%~64.71%.不同深度的土壤-芦苇系统对陆源营养物质N、P和CODcr的净化率为60.0%~75.92%.N、P营养物质经湿地系统过滤后可满足海水水质2类标准.通过收获地上部分生物量可使营养物质在陆地和湿地之间形成良性循环,不会造成污染物在湿地系统的过度积累.
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