Concepts concerning community Presence of several species together in an area. Community types are collections of virtually the same groups of species that recur in space and time. Models for vegetation organization. No sharp boundaries, except environmental artifacts. Relative abundance Relative dominance, etc.
Most information indicates a continuum.
Community school considers the spatial distribution Individualistic school considers the environmental distribution. The continuum concept applies to abstract environmental space, not to geographic space . Gradation of Relationships - Fig on page 449.