autotrophic ecosystem

autotrophic ecosystem

[¦ȯd·ə‚trōf·ik ′ek·ō‚sis·təm]
(ecology)
An ecosystem that has primary producers as a principal component, and sunlight as the major initial energy source.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.