Virtual ecosystems are virtual worlds representing real ecosystems.
Humans have a limited perception of space and time and are poorly equipped to handle the flow of information generated in such environments. A new concept of the use of this metaphor arises with the use of the space and time sliders. Virtual reality, Pen-based input, Metaphors, User interface components, Virtual ecosystems, Browsing in time and space. Introduction Humans have a limited perception of time and space, which means that only a limited amount of information can be processed during a certain period of time. These two projects are intended for EXPO'98, an Universal Exposition which will take place in Lisbon.