ecosystems that people obtain in the literature became referred as ecosystem services. Ecosystem services are seen as an … services are providing services (products which obtained from ecosystems), regulating services (benefits which obtained from … the regulation of ecosystem processes), cultural services (intangible benefits that people obtain from ecosystems) and …

All ecosystem models are just rough approximations of reality. In the case of communications ecosys-tems, numerous … models are useful for enhancing our understanding of the complex processes occurring in ecosystems. In contrast, the models …