Arid Transition life zone

Arid Transition life zone

[′ar·əd trans′ish·ən ′līf ‚zōn]
(ecology)
The zone of climate and biotic communities occurring in the chaparrals and steppes from the Rocky Mountain forest margin to California.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.