关键词: 生态林业, 林业生态经济系统, 结构与功能, 综合效益指标

Abstract: This paper has investigated some problems related to the ecological forestry(EF) and pointed out: (1) EF, based on the theories of ecology and econo-mics, formed a new way of forestry production, and revealed that the internalrelationships between society and forestry, and motion laws. (2) EF struture(i.e the forestry ecological economic system) was consisted of two aspects onewas the ecological system structure of forestry including relations among popu-lation, forestry resources and environment. The other was economic system str-ucture of forestry consisted of relations among population, goods and materia-ls,funds and technology.Its functions concentrated in the relations of the valuecurrent. (3) The constructure of ecological forestry was a developmentalprocedure for forestry to tend ideal state. (4)EF might be evaluated by usingthe method of the comprehensive efficient index: T=E/1.

Key words: Ecological forestry, Forestry ecological and Economic system, Struture and Function, Comprehensive efficient index