【摘要】本文着重考察媒介生态学的起源和发展，对媒介生态系统等概念进行了深入的研究和界定，提出了媒介生态系统结构的“六界”说。并对媒介生态学的建构和发展提出提出来一些具有启发性和前瞻性的观点。关键词媒介生态，媒介生态系统，媒介环境，媒介生态学Abstract: This paper emphasizes on the origination and development of media ecology， and deeply studies and defines the concepts of media ecosystem， and then advances the “six-boundary” theory on media ecosystem structure. This paper also puts forward several enlightening and forecasting thoughts on the construction and development of media ecology.Key words: Media Ec
