On ecologicity signs of textual communication

The subject matter of the article is the problem of choosing ecologicity signs to mark informationaltextual environment, that is presented in terms of complicated socio-biological character of a human being and informational influence on various sides of a person. The paper deals with the types of social and biological factors of textual communication, which influence the choice of ecologicity signs. The principle of extrapolation of interdisciplinary notions on the sphere of linguistic ecology is applied.