"传播媒介生态学" can be translated as "Media Ecology" or "Communication Media Ecology".
"Media Ecology" is a more concise and commonly used term in academic circles, referring to the study of the interaction between media environments and human behavior, culture, and society.
"Communication Media Ecology" provides a slightly more detailed description, emphasizing the communication aspect of media within its ecological context.
In most cases, "Media Ecology" would be sufficient and widely recognized.