This study explores the utility of employing knowledge management as a framework for understanding how public managers perform ecosystem management. It applies the grounded theory method to build a model. The model is generated by applying the concept of knowledge process to an investigation of how the urban ecosystem is publicly managed by civil servants in various offices within the municipality of Seoul, Korea. The case study encompasses management of the 12 regions of Seoul designated as eco-scenery preservation regions by the Seoul Metropolitan Government. The knowledge process of public managers in managing the preservation regions can be explained by understanding the model of "learning-by-doing," which means public managers cannot count much on their knowledge gained previously through their past experience or education and training. Instead, they learn individually in the process of discharging their duties on a daily basis. Basically, public managers of the preservation regions do not actively pursue knowledge because they have low work motivation originating in the feelings of alienation and inferiority. The activity of knowledge acquisition, utilization, and sharing in the course of managing the preservation regions is further disturbed by seven physical conditions: (1) goal conflict, (2) inadequate web-based knowledge repository (the problems of (a) contents and (b) the method of operation), (3) low levels of interpersonal interactions due particularly to the periodic work-place rotation, (4) insufficient specialized education and training (the questions of (a) know-what and (b) know-how), (5) limited spare time due especially to work overload, (6) low task priority, and (7) conservative organizational atmosphere resisting the application of new ideas or methods. Therefore, from the perspective of knowledge management, it is essential that the two kinds of psychological factors as well as the seven types of physical factors should be considered simultaneously in designing knowledge strategies for public managers of the eco-scenery preservation regions of Seoul. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]