This paper firstly describes the present situation of the researches on knowledge ecology both at home and abroad, including the definition, the character of the discipline, and the main scope of the research.

The paper analys es the connotation,main body and basic principles of knowledge ecology,and discu sses the construction methods of knowledge ecological enterprise.

For research on teaching and learning, the core value of information ecology is to study how teachers facilitate learners speed in information processing and learning efficiency by using informational technology; the central issue of knowledge ecology is to study th.

Research on the Emergence Mechanism of the Corporation Knowledge Ecosystem;

The knowledge ecosystem which has the power of self-regulating,diversify knowledge-joints and perfect order,was built.

From the knowledge management angle proposed that the knowledge ecosystem s concept has developed a system and the dynamic brand-new angle of view for knowledge .

They have accumulated abundant traditional ecological knowledge on utilization and management of natural resources in the processes of interaction with this environment.

This paper takes Suzhou village in Longsha County(in the west of Hunan Province) as a case study,and explores the value of traditional ecological knowledge in the application of modern society.

Taking goldthread plantation by the Tujia ethnic group as an example, the paper discusses about the inheritance and protection of local ecological knowledge of Chinese ethnic groups, in the hope of developing and using forefathers ecological wisdom to meet the ecological challenges confronted by human beings nowadays.

The formation of folk ecological knowledge in southwest China is closely connected with the role of forest in people s life,because forest provides the local people with necessary living resources,beautifies their living environment and prevents water loss and soil erosion as well as sand.