| 释义 |
xerarch, a. Ecol.|ˈzɛrɑːk|
[f. xero- + Gr. ἀρχ-ή beginning.]
Of a plant succession: having its origin in a dry habitat.
1913,1960[see hydrarch a.]. 1973P. A. Colinvaux Introd. Ecol. vi. 75 Later American work..sought to explain the existence of beech-maple forests on old sand dunes near the southern shore of Lake Michigan as resulting from a particularly dramatic xerarch succession. |