Jung Jeng Lake located in Mei Nong in south of Taiwan, is the origin of Mei Nong Hakka culture. Owing to stockbreeding hogs, cultivation and domestic wastewater in the upstream of Jiang Tz Liau River that finally flows into Jung Jeng Lake for years, the lake thus suffered extremely serious problem of eutrophication. In addition, the water hyacinth remain seeds in the lake and reproduce resulting in speeding up the lacustrine silt that would greatly shorten the life of Jung Jeng Lake. Using artificial lagoon and artificial floating island were found able to improve the water quality of lake. Therefore, we could sightseeing resource, historic site, and ecological resources of Mei Nong. This research applied the advantages of ecological engineering methods to restore the Jung Jeng Lake, and thus the southern Taiwan unique Hakka tourism can be presented.

The issues of wetland protection has been looked at attentively in Taiwan. However, the action of protecting wetlands can not replace the wetlands lost in speedy developments, which causes the wetland ecosystem in natural environment of Taiwan vanished stage by stage. The idea of ¡§created wetland¡¨ refers to the conversion of a persistent upland or shallow-water area into a wetland by human activity to help to compensate the natural wetlands lost due to destruction by human beings. Such kind of wetland is used to restore wetlands or to let it become a parkland. Created wetlands are different from ¡§constructed wetland¡¨ emphasize the function of wastewater treatment. In the past, park in urban area was usually designed for human use which caused other organisms can not abundantly, and thus the ecosystem in municipal areas became poor. Hence, there is a new concept that we combine the created wetland and park together in order to improve the biodiversity of the ecosystem in urban area. The Zhou-zai wetland park is located beside the Lotus pond in Zuo-ying of Kaohsiung City. This created wetland was initially wanted to attract Pheasant-tailed Jacana come Kaohsiung through the ecosystem. The park was not only designed for human activities but also for other creatures. We tried to use ¡§ecological engineering methods¡¨ to build this artificial habitat. We hope it can promote the biodiversity in urban city by this wetland ecosystem. In this study, we use Zhou-zai wetland park as a case study, and probed into the principles of planning and management in urban created wetland park. It was hoped that the result of this research can provide some consults about constructing created wetland parks in the feature in Taiwan, so that the strategies of wetland protection can then become positive.