Publications by authors named "Hui-qing Chang"
[In-situ remediation of polluted water body by planting hydrophytes].
Ying Yong Sheng Tai Xue Bao
February 2008
In an experimental enclosure system, floating plant Eichhornia crassipes was planted in summer and submersed plant Elodea nutalli was planted in winter to reestablish water ecosystem, and to investigate the effects of the hydrophytes on the removal of nitrogen and phosphorus from polluted water body and the improvement of water transparency. The results showed that compared with the control and native pond water, the water body planted with hydrophytes had a low level of nutrients. E.
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- The study aimed to examine how combining immobilized nitrogen cycling bacteria (INCB) with aquatic plants affects nitrogen removal from nutrient-rich (eutrophic) water.
- It involved using two types of macrophytes—Eichhornia crassipes (floating) and Elodea nuttallii (submerged)—along with various types of nitrogen cycling bacteria isolated from a lake, testing these combinations across different seasons.
- The results showed that the floating macrophyte combined with bacteria was most effective, achieving up to a 70.2% reduction in total nitrogen and significantly improving water transparency, while the submerged macrophyte+bacteria combination also showed substantial nitrogen reduction during the second experiment.